USA: Colorado
Counties
The population of all counties in Colorado by census years.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Adams | County | 258,100 | 348,040 | 441,603 | 519,578 | → |
| Alamosa | County | 13,617 | 14,966 | 15,445 | 16,380 | → |
| Arapahoe | County | 391,511 | 487,967 | 572,003 | 655,075 | → |
| Archuleta | County | 5,345 | 9,898 | 12,084 | 13,355 | → |
| Baca | County | 4,556 | 4,517 | 3,788 | 3,508 | → |
| Bent | County | 5,048 | 5,998 | 6,499 | 5,648 | → |
| Boulder | County | 209,050 | 269,755 | 294,567 | 330,759 | → |
| Broomfield | County | 25,308 | 39,202 | 55,889 | 74,105 | → |
| Chaffee | County | 12,684 | 16,242 | 17,809 | 19,476 | → |
| Cheyenne | County | 2,397 | 2,231 | 1,836 | 1,749 | → |
| Clear Creek | County | 7,619 | 9,322 | 9,088 | 9,394 | → |
| Conejos | County | 7,453 | 8,400 | 8,256 | 7,459 | → |
| Costilla | County | 3,190 | 3,663 | 3,524 | 3,497 | → |
| Crowley | County | 3,946 | 5,518 | 5,823 | 5,919 | → |
| Custer | County | 1,926 | 3,503 | 4,255 | 4,706 | → |
| Delta | County | 20,980 | 27,834 | 30,952 | 31,201 | → |
| Denver | County | 467,610 | 554,636 | 600,158 | 715,524 | → |
| Dolores | County | 1,504 | 1,844 | 2,064 | 2,325 | → |
| Douglas | County | 60,391 | 175,766 | 285,465 | 357,998 | → |
| Eagle | County | 21,928 | 41,659 | 52,197 | 55,718 | → |
| El Paso | County | 397,014 | 516,929 | 622,263 | 730,405 | → |
| Elbert | County | 9,646 | 19,872 | 23,086 | 26,056 | → |
| Fremont | County | 32,273 | 46,145 | 46,824 | 48,934 | → |
| Garfield | County | 29,974 | 43,791 | 56,389 | 61,686 | → |
| Gilpin | County | 3,070 | 4,757 | 5,441 | 5,806 | → |
| Grand | County | 7,966 | 12,442 | 14,843 | 15,715 | → |
| Gunnison | County | 10,273 | 13,956 | 15,324 | 16,921 | → |
| Hinsdale | County | 467 | 790 | 843 | 784 | → |
| Huerfano | County | 6,009 | 7,862 | 6,711 | 6,817 | → |
| Jackson | County | 1,605 | 1,577 | 1,394 | 1,381 | → |
| Jefferson | County | 436,550 | 525,395 | 534,543 | 582,886 | → |
| Kiowa | County | 1,688 | 1,622 | 1,398 | 1,448 | → |
| Kit Carson | County | 7,140 | 8,011 | 8,270 | 7,081 | → |
| La Plata | County | 32,284 | 43,941 | 51,334 | 55,637 | → |
| Lake | County | 6,007 | 7,812 | 7,310 | 7,432 | → |
| Larimer | County | 186,136 | 251,494 | 299,630 | 359,074 | → |
| Las Animas | County | 13,765 | 15,207 | 15,507 | 14,559 | → |
| Lincoln | County | 4,529 | 6,087 | 5,467 | 5,674 | → |
| Logan | County | 17,567 | 20,504 | 22,709 | 21,536 | → |
| Mesa | County | 93,145 | 116,255 | 146,723 | 155,706 | → |
| Mineral | County | 558 | 831 | 712 | 868 | → |
| Moffat | County | 11,357 | 13,184 | 13,795 | 13,295 | → |
| Montezuma | County | 18,672 | 23,830 | 25,535 | 25,849 | → |
| Montrose | County | 24,423 | 33,432 | 41,276 | 42,677 | → |
| Morgan | County | 21,939 | 27,171 | 28,159 | 29,108 | → |
| Otero | County | 20,185 | 20,311 | 18,831 | 18,687 | → |
| Ouray | County | 2,295 | 3,742 | 4,436 | 4,880 | → |
| Park | County | 7,174 | 14,523 | 16,206 | 17,392 | → |
| Phillips | County | 4,189 | 4,480 | 4,442 | 4,533 | → |
| Pitkin | County | 12,661 | 14,872 | 17,148 | 17,358 | → |
| Prowers | County | 13,347 | 14,483 | 12,551 | 12,001 | → |
| Pueblo | County | 123,051 | 141,472 | 159,063 | 168,165 | → |
| Rio Blanco | County | 5,972 | 5,986 | 6,666 | 6,526 | → |
| Rio Grande | County | 10,770 | 12,413 | 11,982 | 11,541 | → |
| Routt | County | 14,088 | 19,690 | 23,509 | 24,825 | → |
| Saguache | County | 4,619 | 5,917 | 6,108 | 6,368 | → |
| San Juan | County | 745 | 558 | 699 | 704 | → |
| San Miguel | County | 3,653 | 6,594 | 7,359 | 8,070 | → |
| Sedgwick | County | 2,690 | 2,747 | 2,379 | 2,401 | → |
| Summit | County | 12,881 | 23,548 | 27,994 | 31,055 | → |
| Teller | County | 12,468 | 20,555 | 23,350 | 24,707 | → |
| Washington | County | 4,812 | 4,926 | 4,814 | 4,817 | → |
| Weld | County | 131,620 | 180,745 | 252,825 | 328,987 | → |
| Yuma | County | 8,954 | 9,841 | 10,043 | 9,981 | → |
| Colorado | State | 3,294,394 | 4,301,261 | 5,029,196 | 5,773,707 |
Contents: Places
The population of all places in Colorado by census years.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Acres Green | Census-Designated Place | Douglas | 3,075 | 3,205 | 3,007 | 2,922 | → |
| Aetna Estates | Census-Designated Place | Arapahoe | 449 | 808 | 834 | 1,496 | → |
| Aguilar | Town | Las Animas | 520 | 600 | 536 | 455 | → |
| Air Force Academy | Census-Designated Place | El Paso | 9,062 | 7,526 | 6,680 | 6,608 | → |
| Akron | Town | Washington | 1,599 | 1,736 | 1,695 | 1,769 | → |
| Alamosa | City | Alamosa | 7,622 | 8,456 | 8,865 | 9,817 | → |
| Alamosa East | Census-Designated Place | Alamosa | 1,389 | 1,528 | 1,458 | 1,453 | → |
| Allenspark | Census-Designated Place | Boulder | 235 | 288 | 528 | 568 | → |
| Alma | Town | Park | 145 | 205 | 274 | 296 | → |
| Alpine | Census-Designated Place | Rio Grande | 47 | 115 | 174 | 169 | → |
| Altona | Census-Designated Place | Boulder | 564 | 268 | 501 | 512 | → |
| Amherst | Census-Designated Place | Phillips | 60 | 67 | 58 | 47 | → |
| Antonito | Town | Conejos | 875 | 910 | 781 | 643 | → |
| Applewood | Census-Designated Place | Jefferson | 6,352 | 7,123 | 7,160 | 7,833 | → |
| Arapahoe | Census-Designated Place | Cheyenne | 59 | 87 | 82 | 102 | → |
| Arboles | Census-Designated Place | Archuleta | 136 | 232 | 280 | 308 | → |
| Aristocrat Ranchettes | Census-Designated Place | Weld | 873 | 1,254 | 1,344 | 1,715 | → |
| Arriba | Town | Lincoln | 218 | 244 | 193 | 204 | → |
| Arvada | City | Jefferson / Adams | 89,823 | 102,383 | 106,759 | 124,354 | → |
| Aspen | City | Pitkin | 5,605 | 6,054 | 6,795 | 6,996 | → |
| Aspen Park | Census-Designated Place | Jefferson | 413 | 874 | 882 | 810 | → |
| Atwood | Census-Designated Place | Logan | 136 | 122 | 133 | 138 | → |
| Ault | Town | Weld | 1,098 | 1,451 | 1,527 | 1,884 | → |
| Aurora | City | Arapahoe / Adams / Douglas | 221,713 | 275,687 | 324,976 | 386,333 | → |
| Avon | Town | Eagle | 1,845 | 5,516 | 6,399 | 6,065 | → |
| Avondale | Census-Designated Place | Pueblo | 525 | 568 | 620 | 594 | → |
| Bark Ranch | Census-Designated Place | Boulder | ... | 64 | 213 | 202 | → |
| Basalt | Town | Eagle / Pitkin | 1,295 | 2,692 | 3,780 | 3,996 | → |
| Battlement Mesa | Census-Designated Place | Garfield | 1,551 | 3,497 | 4,471 | 5,438 | → |
| Bayfield | Town | La Plata | 1,148 | 1,596 | 2,316 | 2,861 | → |
| Bennett | Town | Adams / Arapahoe | 1,636 | 2,057 | 2,300 | 2,871 | → |
| Berkley | Census-Designated Place | Adams | 8,245 | 10,743 | 11,207 | 12,536 | → |
| Berthoud | Town | Larimer / Weld | 3,439 | 5,482 | 5,198 | 10,335 | → |
| Bethune | Town | Kit Carson | 171 | 221 | 237 | 182 | → |
| Beulah Valley | Census-Designated Place | Pueblo | 231 | 307 | 279 | 518 | → |
| Black Forest | Census-Designated Place | El Paso | 6,823 | 10,210 | 13,116 | 15,097 | → |
| Black Hawk | City | Gilpin | 231 | 159 | 118 | 120 | → |
| Blanca | Town | Costilla | 272 | 394 | 385 | 323 | → |
| Blende | Census-Designated Place | Pueblo | 591 | 514 | 754 | 788 | → |
| Blue River | Town | Summit | 442 | 703 | 849 | 873 | → |
| Blue Sky | Census-Designated Place | Morgan | ... | ... | 24 | 65 | → |
| Blue Valley | Census-Designated Place | Clear Creek | 83 | 111 | 52 | 173 | → |
| Bonanza | Town | Saguache | 16 | 10 | 16 | 14 | → |
| Bonanza Mountain Estates | Census-Designated Place | Boulder | 145 | 63 | 128 | 127 | → |
| Boone | Town | Pueblo | 304 | 326 | 346 | 305 | → |
| Boulder | City | Boulder | 85,975 | 94,213 | 97,613 | 108,556 | → |
| Bow Mar | Town | Arapahoe / Jefferson | 862 | 847 | 849 | 854 | → |
| Brandon | Census-Designated Place | Kiowa | ... | 26 | 21 | 21 | → |
| Branson | Town | Las Animas | 52 | 77 | 74 | 55 | → |
| Breckenridge | Town | Summit | 1,778 | 2,697 | 4,541 | 5,079 | → |
| Brick Center | Census-Designated Place | Arapahoe | ... | 37 | 107 | 105 | → |
| Briggsdale | Census-Designated Place | Weld | 76 | 103 | 74 | 134 | → |
| Brighton | City | Adams / Weld | 14,335 | 21,044 | 33,840 | 40,072 | → |
| Brook Forest | Census-Designated Place | Jefferson / Clear Creek | 280 | 455 | 487 | 622 | → |
| Brookside | Town | Fremont | 221 | 217 | 232 | 236 | → |
| Broomfield | City | Broomfield | 24,746 | 39,202 | 55,848 | 74,106 | → |
| Brush | City | Morgan | 4,163 | 5,158 | 5,465 | 5,342 | → |
| Buena Vista | Town | Chaffee | 1,821 | 2,225 | 2,582 | 2,851 | → |
| Burlington | City | Kit Carson | 2,870 | 3,738 | 4,254 | 3,181 | → |
| Byers | Census-Designated Place | Arapahoe | 1,100 | 1,318 | 1,160 | 1,322 | → |
| Calhan | Town | El Paso | 558 | 891 | 780 | 765 | → |
| Campo | Town | Baca | 121 | 147 | 109 | 103 | → |
| Cañon City | City | Fremont | 12,756 | 15,926 | 16,410 | 17,128 | → |
| Capulin | Census-Designated Place | Conejos | 121 | 166 | 200 | 134 | → |
| Carbonate | Town | Garfield | ... | ... | 0 | 0 | → |
| Carbondale | Town | Garfield | 3,039 | 5,242 | 6,453 | 6,449 | → |
| Cascade-Chipita Park | Census-Designated Place | El Paso | 1,479 | 1,709 | 1,655 | 1,628 | → |
| Castle Pines (Castle Pines North) | City | Douglas | 544 | 3,587 | 10,333 | 11,036 | → |
| Castle Pines Village (Castle Pines CDP) | Census-Designated Place | Douglas | 902 | 2,099 | 3,614 | 4,327 | → |
| Castle Rock | Town | Douglas | 8,608 | 20,302 | 48,238 | 73,158 | → |
| Cathedral | Census-Designated Place | Hinsdale | 19 | 16 | 14 | 15 | → |
| Catherine | Census-Designated Place | Garfield | 138 | 171 | 228 | 235 | → |
| Cattle Creek | Census-Designated Place | Garfield | 478 | 812 | 641 | 662 | → |
| Cedaredge | Town | Delta | 1,398 | 1,945 | 2,251 | 2,278 | → |
| Centennial | City | Arapahoe | 81,484 | 102,586 | 100,391 | 108,425 | → |
| Center | Town | Saguache / Rio Grande | 1,960 | 2,440 | 2,241 | 1,932 | → |
| Central | City | Gilpin / Clear Creek | 334 | 527 | 660 | 787 | → |
| Chacra | Census-Designated Place | Garfield | 54 | 30 | 329 | 331 | → |
| Cheraw | Town | Otero | 271 | 209 | 254 | 238 | → |
| Cherry Creek | Census-Designated Place | Arapahoe | 8,013 | 10,444 | 11,120 | 11,488 | → |
| Cherry Hills Village | City | Arapahoe | 5,274 | 5,962 | 5,987 | 6,442 | → |
| Cheyenne Wells | Town | Cheyenne | 1,130 | 1,012 | 846 | 756 | → |
| Cimarron Hills | Census-Designated Place | El Paso | 11,160 | 15,194 | 16,161 | 19,311 | → |
| City of Creede | Town | Mineral | 362 | 365 | 290 | 263 | → |
| Clifton | Census-Designated Place | Mesa | 11,322 | 15,618 | 19,889 | 20,413 | → |
| Coal Creek | Census-Designated Place | Jefferson / Boulder / Gilpin | 1,933 | 2,323 | 2,400 | 2,494 | → |
| Coal Creek | Town | Fremont | 178 | 316 | 345 | 360 | → |
| Coaldale | Census-Designated Place | Fremont | 169 | 173 | 282 | 343 | → |
| Cokedale | Town | Las Animas | 116 | 169 | 129 | 128 | → |
| Collbran | Town | Mesa | 483 | 495 | 692 | 370 | → |
| Colona | Census-Designated Place | Ouray | ... | 29 | 30 | 36 | → |
| Colorado City | Census-Designated Place | Pueblo | 956 | 1,636 | 2,193 | 2,237 | → |
| Colorado Springs | City | El Paso | 282,355 | 360,329 | 417,450 | 480,378 | → |
| Columbine | Census-Designated Place | Jefferson / Arapahoe | 23,969 | 24,095 | 24,280 | 25,229 | → |
| Columbine Valley | Town | Arapahoe | 1,090 | 1,145 | 1,252 | 1,502 | → |
| Comanche Creek | Census-Designated Place | Arapahoe | 59 | 149 | 369 | 442 | → |
| Commerce City | City | Adams | 17,588 | 20,921 | 45,849 | 62,431 | → |
| Conejos | Census-Designated Place | Conejos | 17 | 23 | 58 | 46 | → |
| Cope | Census-Designated Place | Washington | 45 | 46 | 38 | 53 | → |
| Copper Mountain | Census-Designated Place | Summit | 147 | 210 | 385 | 650 | → |
| Cortez | City | Montezuma | 7,313 | 7,997 | 8,471 | 8,761 | → |
| Cotopaxi | Census-Designated Place | Fremont | ... | 22 | 47 | 44 | → |
| Craig | City | Moffat | 8,091 | 9,245 | 9,456 | 9,062 | → |
| Crawford | Town | Delta | 232 | 368 | 432 | 396 | → |
| Crested Butte | Town | Gunnison | 884 | 1,541 | 1,494 | 1,648 | → |
| Crestone | Town | Saguache | 39 | 71 | 125 | 138 | → |
| Cripple Creek | City | Teller | 609 | 1,178 | 1,226 | 1,153 | → |
| Crisman | Census-Designated Place | Boulder | ... | 38 | 186 | 179 | → |
| Crook | Town | Logan | 148 | 133 | 110 | 130 | → |
| Crowley | Town | Crowley | 228 | 187 | 176 | 168 | → |
| Dacono | City | Weld | 2,250 | 3,120 | 4,156 | 6,302 | → |
| Dakota Ridge | Census-Designated Place | Jefferson | 20,045 | 30,126 | 32,005 | 33,892 | → |
| De Beque | Town | Mesa | 261 | 455 | 504 | 489 | → |
| Deer Trail | Town | Arapahoe | 476 | 602 | 547 | 1,072 | → |
| Del Norte | Town | Rio Grande | 1,728 | 1,909 | 1,677 | 1,457 | → |
| Delta | City | Delta | 6,232 | 7,635 | 8,893 | 9,042 | → |
| Denver | City | Denver | 467,549 | 553,805 | 599,454 | 715,513 | → |
| Derby | Census-Designated Place | Adams | 6,216 | 7,012 | 7,685 | 8,407 | → |
| Dillon | Town | Summit | 558 | 825 | 903 | 1,070 | → |
| Dinosaur | Town | Moffat | 324 | 314 | 339 | 244 | → |
| Divide | Census-Designated Place | Teller | 32 | 41 | 127 | 143 | → |
| Dolores | Town | Montezuma | 827 | 717 | 928 | 891 | → |
| Dotsero | Census-Designated Place | Eagle | 60 | 419 | 705 | 1,172 | → |
| Dove Creek | Town | Dolores | 673 | 718 | 724 | 636 | → |
| Dove Valley | Census-Designated Place | Arapahoe | ... | ... | 4,918 | 5,640 | → |
| Downieville-Lawson-Dumont | Census-Designated Place | Clear Creek | 198 | 364 | 594 | 527 | → |
| Durango | City | La Plata | 12,728 | 14,518 | 16,868 | 19,090 | → |
| Eads | Town | Kiowa | 780 | 747 | 609 | 676 | → |
| Eagle | Town | Eagle | 1,758 | 3,105 | 6,513 | 7,517 | → |
| East Pleasant View | Census-Designated Place | Jefferson | 352 | 369 | 356 | 333 | → |
| Eaton | Town | Weld | 2,179 | 2,783 | 4,375 | 5,811 | → |
| Echo Hills | Census-Designated Place | Clear Creek | 133 | 96 | 103 | 313 | → |
| Eckley | Town | Yuma | 211 | 288 | 256 | 233 | → |
| Edgewater | City | Jefferson | 4,606 | 5,433 | 5,169 | 5,013 | → |
| Edwards | Census-Designated Place | Eagle | 1,712 | 6,312 | 10,266 | 11,246 | → |
| El Jebel | Census-Designated Place | Eagle | 2,181 | 3,446 | 3,801 | 4,130 | → |
| El Moro | Census-Designated Place | Las Animas | 227 | 153 | 221 | 216 | → |
| Elbert | Census-Designated Place | Elbert | 97 | 117 | 230 | 188 | → |
| Eldora | Census-Designated Place | Boulder | 46 | 170 | 142 | 140 | → |
| Eldorado Springs | Census-Designated Place | Boulder | 468 | 557 | 585 | 559 | → |
| Elizabeth | Town | Elbert | 830 | 1,485 | 1,362 | 1,671 | → |
| Ellicott | Census-Designated Place | El Paso | 514 | 843 | 1,131 | 1,248 | → |
| Empire | Town | Clear Creek | 406 | 348 | 282 | 338 | → |
| Englewood | City | Arapahoe | 29,918 | 31,943 | 30,260 | 33,639 | → |
| Erie | Town | Weld / Boulder | 1,885 | 6,420 | 18,177 | 30,053 | → |
| Estes Park | Town | Larimer | 3,533 | 5,605 | 5,933 | 5,901 | → |
| Evans | City | Weld | 6,516 | 10,470 | 18,505 | 22,182 | → |
| Evergreen | Census-Designated Place | Jefferson | 7,982 | 9,216 | 9,038 | 9,307 | → |
| Fairmount | Census-Designated Place | Jefferson | 5,423 | 6,910 | 7,559 | 9,324 | → |
| Fairplay | Town | Park | 384 | 598 | 696 | 735 | → |
| Federal Heights | City | Adams | 9,339 | 12,062 | 11,461 | 14,410 | → |
| Firestone | Town | Weld | 1,724 | 2,359 | 10,199 | 16,372 | → |
| Flagler | Town | Kit Carson | 551 | 619 | 571 | 561 | → |
| Fleming | Town | Logan | 350 | 426 | 405 | 431 | → |
| Florence | City | Fremont | 3,047 | 3,772 | 3,878 | 3,832 | → |
| Florissant | Census-Designated Place | Teller | 33 | 84 | 104 | 128 | → |
| Floyd Hill | Census-Designated Place | Clear Creek | 657 | 885 | 998 | 1,048 | → |
| Fort Carson | Census-Designated Place | El Paso | 11,309 | 10,566 | 13,997 | 17,693 | → |
| Fort Collins | City | Larimer | 88,831 | 121,591 | 144,861 | 169,826 | → |
| Fort Garland | Census-Designated Place | Costilla | 148 | 488 | 433 | 464 | → |
| Fort Lupton | City | Weld | 5,809 | 7,319 | 7,405 | 7,976 | → |
| Fort Morgan | City | Morgan | 9,161 | 11,081 | 11,372 | 11,599 | → |
| Fountain | City | El Paso | 12,244 | 15,850 | 25,899 | 29,801 | → |
| Four Square Mile | Census-Designated Place | Arapahoe | 8,658 | 14,175 | 19,766 | 22,872 | → |
| Fowler | Town | Otero | 1,169 | 1,228 | 1,189 | 1,257 | → |
| Foxfield | Town | Arapahoe | 567 | 718 | 714 | 756 | → |
| Franktown | Census-Designated Place | Douglas | 157 | 199 | 395 | 409 | → |
| Fraser | Town | Grand | 577 | 987 | 1,223 | 1,390 | → |
| Frederick | Town | Weld | 1,762 | 3,224 | 8,662 | 14,527 | → |
| Frisco | Town | Summit | 1,612 | 2,547 | 2,692 | 2,920 | → |
| Fruita | City | Mesa | 4,419 | 6,728 | 12,724 | 13,398 | → |
| Fruitvale | Census-Designated Place | Mesa | 4,787 | 6,348 | 7,675 | 8,271 | → |
| Fulford | Census-Designated Place | Eagle | ... | ... | 2 | 0 | → |
| Garden City | Town | Weld | 188 | 351 | 250 | 252 | → |
| Gardner | Census-Designated Place | Huerfano | 65 | 80 | 56 | 106 | → |
| Garfield | Census-Designated Place | Chaffee | 10 | 16 | 15 | 27 | → |
| Genesee | Census-Designated Place | Jefferson | 2,737 | 3,699 | 3,609 | 3,610 | → |
| Genoa | Town | Lincoln | 167 | 211 | 139 | 155 | → |
| Georgetown | Town | Clear Creek | 855 | 1,114 | 1,034 | 1,125 | → |
| Gerrard | Census-Designated Place | Rio Grande | 67 | 150 | 278 | 264 | → |
| Gilcrest | Town | Weld | 1,043 | 1,154 | 1,034 | 1,023 | → |
| Glendale | City | Arapahoe | 2,959 | 4,612 | 4,318 | 4,612 | → |
| Glendale | Census-Designated Place | Boulder | 26 | 61 | 69 | 64 | → |
| Gleneagle | Census-Designated Place | El Paso | 1,773 | 4,246 | 6,611 | 6,649 | → |
| Glenwood Springs | City | Garfield | 6,573 | 7,976 | 9,557 | 9,958 | → |
| Gold Hill | Census-Designated Place | Boulder | 79 | 210 | 230 | 218 | → |
| Golden | City | Jefferson | 13,002 | 17,147 | 18,890 | 20,415 | → |
| Goldfield | Census-Designated Place | Teller | 23 | 41 | 49 | 63 | → |
| Granada | Town | Prowers | 514 | 647 | 517 | 446 | → |
| Granby | Town | Grand | 1,167 | 1,607 | 1,856 | 2,078 | → |
| Grand Junction | City | Mesa | 41,543 | 49,391 | 59,034 | 65,641 | → |
| Grand Lake | Town | Grand | 260 | 446 | 469 | 407 | → |
| Grand View Estates | Census-Designated Place | Douglas | 405 | 640 | 685 | 689 | → |
| Greeley | City | Weld | 60,759 | 78,068 | 92,953 | 108,809 | → |
| Green Mountain Falls | Town | El Paso / Teller | 712 | 720 | 647 | 647 | → |
| Greenwood Village | City | Arapahoe | 8,435 | 11,297 | 13,919 | 15,676 | → |
| Grover | Town | Weld | 135 | 154 | 139 | 156 | → |
| Guffey | Census-Designated Place | Park | 33 | 56 | 98 | 111 | → |
| Gunbarrel | Census-Designated Place | Boulder | 9,388 | 9,435 | 9,263 | 9,554 | → |
| Gunnison | City | Gunnison | 4,635 | 5,446 | 5,842 | 6,557 | → |
| Gypsum | Town | Eagle | 1,803 | 3,835 | 6,501 | 8,058 | → |
| Hartman | Town | Prowers | 84 | 104 | 76 | 56 | → |
| Hartsel | Census-Designated Place | Park | 10 | 24 | 9 | 38 | → |
| Hasty | Census-Designated Place | Bent | ... | 123 | 144 | 182 | → |
| Haswell | Town | Kiowa | 62 | 84 | 68 | 70 | → |
| Haxtun | Town | Phillips | 959 | 990 | 946 | 983 | → |
| Hayden | Town | Routt | 1,452 | 1,664 | 1,814 | 1,931 | → |
| Heeney | Census-Designated Place | Summit | 59 | 41 | 76 | 74 | → |
| Hidden Lake | Census-Designated Place | Boulder | ... | ... | 31 | 24 | → |
| Highlands Ranch | Census-Designated Place | Douglas | 14,198 | 70,931 | 96,713 | 103,444 | → |
| Hillrose | Town | Morgan | 116 | 270 | 256 | 313 | → |
| Hoehne | Census-Designated Place | Las Animas | 86 | 71 | 111 | 80 | → |
| Holly | Town | Prowers | 895 | 1,047 | 794 | 843 | → |
| Holly Hills | Census-Designated Place | Arapahoe | 3,033 | 2,632 | 2,521 | 2,683 | → |
| Holyoke | City | Phillips | 1,973 | 2,268 | 2,317 | 2,347 | → |
| Hooper | Town | Alamosa | 112 | 123 | 103 | 78 | → |
| Hot Sulphur Springs | Town | Grand | 354 | 518 | 679 | 684 | → |
| Hotchkiss | Town | Delta | 734 | 986 | 918 | 881 | → |
| Howard | Census-Designated Place | Fremont | 415 | 777 | 723 | 852 | → |
| Hudson | Town | Weld | 966 | 1,704 | 2,361 | 1,645 | → |
| Hugo | Town | Lincoln | 675 | 864 | 730 | 780 | → |
| Idaho Springs | City | Clear Creek | 1,887 | 1,978 | 1,722 | 1,782 | → |
| Idalia | Census-Designated Place | Yuma | 45 | 49 | 88 | 97 | → |
| Idledale | Census-Designated Place | Jefferson | 63 | 85 | 252 | 244 | → |
| Ignacio | Town | La Plata | 670 | 709 | 858 | 850 | → |
| Iliff | Town | Logan | 174 | 213 | 266 | 244 | → |
| Indian Hills | Census-Designated Place | Jefferson | 1,093 | 1,197 | 1,280 | 1,474 | → |
| Inverness | Census-Designated Place | Arapahoe | ... | ... | 1,532 | 2,226 | → |
| Jackson Lake | Census-Designated Place | Morgan | 32 | 106 | 154 | 131 | → |
| Jamestown | Town | Boulder | 173 | 209 | 274 | 257 | → |
| Jansen | Census-Designated Place | Las Animas | 33 | 56 | 112 | 101 | → |
| Joes | Census-Designated Place | Yuma | 99 | 103 | 80 | 82 | → |
| Johnson Village | Census-Designated Place | Chaffee | 157 | 185 | 246 | 299 | → |
| Johnstown | Town | Weld / Larimer | 1,929 | 4,775 | 9,862 | 17,327 | → |
| Julesburg | Town | Sedgwick | 1,297 | 1,473 | 1,225 | 1,302 | → |
| Keenesburg | Town | Weld | 622 | 893 | 1,128 | 1,257 | → |
| Ken Caryl | Census-Designated Place | Jefferson | 24,391 | 30,887 | 32,438 | 33,811 | → |
| Kersey | Town | Weld | 1,005 | 1,500 | 1,479 | 1,505 | → |
| Keystone | Census-Designated Place | Summit | 366 | 825 | 1,139 | 1,369 | → |
| Kim | Town | Las Animas | 76 | 79 | 74 | 63 | → |
| Kiowa | Town | Elbert | 288 | 627 | 719 | 732 | → |
| Kirk | Census-Designated Place | Yuma | 109 | 81 | 59 | 61 | → |
| Kit Carson | Town | Cheyenne | 317 | 265 | 233 | 260 | → |
| Kittredge | Census-Designated Place | Jefferson | 766 | 954 | 1,304 | 1,308 | → |
| Kremmling | Town | Grand | 1,166 | 1,467 | 1,444 | 1,509 | → |
| La Jara | Town | Conejos | 774 | 869 | 842 | 725 | → |
| La Junta | City | Otero | 7,720 | 7,595 | 7,078 | 7,327 | → |
| La Junta Gardens | Census-Designated Place | Otero | 168 | 167 | 153 | 123 | → |
| La Salle | Town | Weld | 1,766 | 1,865 | 1,959 | 2,361 | → |
| La Veta | Town | Huerfano | 727 | 924 | 800 | 858 | → |
| Lafayette | City | Boulder | 15,052 | 23,145 | 24,482 | 30,377 | → |
| Laird | Census-Designated Place | Yuma | ... | 26 | 47 | 46 | → |
| Lake City | Town | Hinsdale | 227 | 380 | 410 | 435 | → |
| Lakeside | Town | Jefferson | 11 | 20 | 8 | 16 | → |
| Lakewood | City | Jefferson | 125,968 | 143,945 | 142,592 | 155,999 | → |
| Lamar | City | Prowers | 8,370 | 8,907 | 7,943 | 7,693 | → |
| Laporte | Census-Designated Place | Larimer | 2,467 | 2,691 | 2,450 | 2,409 | → |
| Larkspur | Town | Douglas | 246 | 260 | 183 | 206 | → |
| Las Animas | City | Bent | 2,532 | 2,797 | 2,406 | 2,308 | → |
| Lazear | Census-Designated Place | Delta | 155 | 203 | 213 | 168 | → |
| Lazy Acres | Census-Designated Place | Boulder | 1,001 | 1,103 | 920 | 957 | → |
| Leadville | City | Lake | 2,686 | 2,830 | 2,570 | 2,630 | → |
| Leadville North | Census-Designated Place | Lake | 1,757 | 1,942 | 1,794 | 1,892 | → |
| Lewis | Census-Designated Place | Montezuma | 163 | 235 | 302 | 257 | → |
| Leyner | Census-Designated Place | Boulder | ... | 35 | 29 | 40 | → |
| Limon | Town | Lincoln | 1,833 | 2,068 | 1,882 | 2,040 | → |
| Lincoln Park | Census-Designated Place | Fremont | 3,728 | 3,904 | 3,546 | 3,934 | → |
| Littleton | City | Arapahoe / Jefferson / Douglas | 33,746 | 40,178 | 41,624 | 45,665 | → |
| Lochbuie | Town | Weld / Adams | 1,191 | 2,115 | 4,727 | 8,104 | → |
| Log Lane Village | Town | Morgan | 390 | 823 | 817 | 905 | → |
| Loghill Village | Census-Designated Place | Ouray | 42 | 311 | 551 | 617 | → |
| Loma | Census-Designated Place | Mesa | 431 | 790 | 1,293 | 1,314 | → |
| Lone Tree | City | Douglas | 1,604 | 6,880 | 10,235 | 14,183 | → |
| Longmont | City | Boulder / Weld | 52,203 | 71,564 | 86,330 | 98,919 | → |
| Louisville | City | Boulder | 12,618 | 18,928 | 18,409 | 21,244 | → |
| Louviers | Census-Designated Place | Douglas | 263 | 237 | 269 | 293 | → |
| Loveland | City | Larimer | 37,778 | 51,368 | 67,005 | 76,367 | → |
| Lynn | Census-Designated Place | Las Animas | 16 | 28 | 12 | 11 | → |
| Lyons | Town | Boulder | 1,244 | 1,670 | 2,119 | 2,211 | → |
| Manassa | Town | Conejos | 1,001 | 1,039 | 991 | 947 | → |
| Mancos | Town | Montezuma | 838 | 1,207 | 1,339 | 1,195 | → |
| Manitou Springs | City | El Paso | 4,470 | 4,985 | 4,965 | 4,864 | → |
| Manzanola | Town | Otero | 437 | 515 | 431 | 340 | → |
| Marble | Town | Gunnison | 60 | 111 | 120 | 135 | → |
| Marvel | Census-Designated Place | La Plata | 28 | 28 | 29 | 68 | → |
| Matheson | Census-Designated Place | Elbert | 51 | 37 | 32 | 79 | → |
| Maybell | Census-Designated Place | Moffat | ... | 106 | 72 | 76 | → |
| Maysville | Census-Designated Place | Chaffee | 41 | 65 | 135 | 173 | → |
| McClave | Census-Designated Place | Bent | 110 | 205 | 148 | 129 | → |
| McCoy | Census-Designated Place | Eagle | 11 | 30 | 24 | 30 | → |
| Mead | Town | Weld | 747 | 2,116 | 3,648 | 4,801 | → |
| Meeker | Town | Rio Blanco | 2,092 | 2,277 | 2,472 | 2,380 | → |
| Meridian | Census-Designated Place | Douglas | ... | 161 | 3,337 | 4,786 | → |
| Meridian Village | Census-Designated Place | Douglas | ... | ... | 100 | 3,202 | → |
| Merino | Town | Logan | 258 | 251 | 286 | 283 | → |
| Midland | Census-Designated Place | Teller | 59 | 113 | 156 | 182 | → |
| Milliken | Town | Weld | 1,622 | 3,015 | 5,614 | 8,379 | → |
| Minturn | Town | Eagle | 982 | 777 | 1,083 | 1,043 | → |
| Moffat | Town | Saguache | 97 | 113 | 116 | 108 | → |
| Monte Vista | City | Rio Grande | 4,387 | 4,687 | 4,439 | 4,253 | → |
| Montezuma | Town | Summit | 45 | 44 | 69 | 75 | → |
| Montrose | City | Montrose | 10,168 | 13,972 | 19,097 | 20,308 | → |
| Monument | Town | El Paso | 1,257 | 2,414 | 6,035 | 10,399 | → |
| Morgan Heights | Census-Designated Place | Morgan | 72 | 82 | 266 | 298 | → |
| Morrison | Town | Jefferson | 447 | 440 | 418 | 398 | → |
| Mount Crested Butte | Town | Gunnison | 336 | 714 | 816 | 940 | → |
| Mountain Meadows | Census-Designated Place | Boulder | ... | 393 | 274 | 237 | → |
| Mountain View | Town | Jefferson | 550 | 569 | 507 | 539 | → |
| Mountain Village | Town | San Miguel | 45 | 972 | 1,317 | 1,264 | → |
| Mulford | Census-Designated Place | Garfield | ... | 202 | 174 | 259 | → |
| Nathrop | Census-Designated Place | Chaffee | 99 | 197 | 181 | 288 | → |
| Naturita | Town | Montrose | 435 | 642 | 537 | 482 | → |
| Nederland | Town | Boulder | 1,098 | 1,290 | 1,445 | 1,470 | → |
| New Castle | Town | Garfield | 713 | 1,994 | 4,517 | 4,915 | → |
| Niwot | Census-Designated Place | Boulder | 2,666 | 4,160 | 4,006 | 4,306 | → |
| No Name | Census-Designated Place | Garfield | ... | 189 | 123 | 117 | → |
| Norrie | Census-Designated Place | Pitkin | ... | ... | 7 | 7 | → |
| North La Junta | Census-Designated Place | Otero | 739 | 503 | 512 | 482 | → |
| North Washington | Census-Designated Place | Adams | 684 | 549 | 484 | 733 | → |
| Northglenn | City | Adams / Weld | 27,259 | 31,609 | 35,690 | 38,111 | → |
| Norwood | Town | San Miguel | 441 | 446 | 518 | 532 | → |
| Nucla | Town | Montrose | 586 | 650 | 712 | 590 | → |
| Nunn | Town | Weld | 327 | 480 | 417 | 502 | → |
| Oak Creek | Town | Routt | 673 | 825 | 899 | 889 | → |
| Olathe | Town | Montrose | 1,274 | 1,617 | 1,868 | 2,011 | → |
| Olney Springs | Town | Crowley | 340 | 381 | 345 | 313 | → |
| Ophir | Town | San Miguel | 69 | 125 | 163 | 197 | → |
| Orchard | Census-Designated Place | Morgan | 29 | 71 | 90 | 76 | → |
| Orchard City | Town | Delta | 2,219 | 2,867 | 3,133 | 3,138 | → |
| Orchard Mesa | Census-Designated Place | Mesa | 4,664 | 5,328 | 6,836 | 6,688 | → |
| Ordway | Town | Crowley | 1,027 | 1,257 | 1,080 | 1,061 | → |
| Otis | Town | Washington | 454 | 545 | 472 | 514 | → |
| Ouray | City | Ouray | 644 | 815 | 1,002 | 898 | → |
| Ovid | Town | Sedgwick | 344 | 330 | 318 | 270 | → |
| Padroni | Census-Designated Place | Logan | 86 | 97 | 76 | 75 | → |
| Pagosa Springs | Town | Archuleta | 1,406 | 1,592 | 1,734 | 1,607 | → |
| Palisade | Town | Mesa | 2,000 | 2,537 | 2,663 | 2,557 | → |
| Palmer Lake | Town | El Paso | 1,486 | 2,168 | 2,523 | 2,652 | → |
| Paoli | Town | Phillips | 29 | 42 | 34 | 51 | → |
| Paonia | Town | Delta | 1,380 | 1,533 | 1,462 | 1,449 | → |
| Parachute | Town | Garfield | 666 | 1,014 | 1,080 | 1,389 | → |
| Paragon Estates | Census-Designated Place | Boulder | 796 | 852 | 928 | 975 | → |
| Park Center | Census-Designated Place | Fremont | 1,972 | 2,355 | 2,464 | 2,953 | → |
| Parker | Town | Douglas | 5,688 | 23,384 | 45,352 | 58,495 | → |
| Parshall | Census-Designated Place | Grand | 54 | 57 | 47 | 42 | → |
| Peetz | Town | Logan | 159 | 228 | 241 | 211 | → |
| Penrose | Census-Designated Place | Fremont | 2,738 | 4,070 | 3,582 | 3,685 | → |
| Peoria | Census-Designated Place | Arapahoe | 22 | 46 | 163 | 153 | → |
| Perry Park | Census-Designated Place | Douglas | 662 | 880 | 1,646 | 1,932 | → |
| Peyton | Census-Designated Place | El Paso | 157 | 192 | 250 | 214 | → |
| Phippsburg | Census-Designated Place | Routt | 139 | 239 | 204 | 234 | → |
| Piedra | Census-Designated Place | Hinsdale | 27 | 38 | 28 | 31 | → |
| Pierce | Town | Weld | 828 | 899 | 830 | 1,100 | → |
| Pine Brook Hill | Census-Designated Place | Boulder | 817 | 1,080 | 983 | 975 | → |
| Pine Valley | Census-Designated Place | Clear Creek | 319 | 187 | 170 | 363 | → |
| Pitkin | Town | Gunnison | 53 | 115 | 64 | 75 | → |
| Placerville | Census-Designated Place | San Miguel | 84 | 100 | 112 | 362 | → |
| Platteville | Town | Weld | 1,567 | 2,480 | 2,489 | 2,959 | → |
| Poncha Springs | Town | Chaffee | 264 | 503 | 726 | 933 | → |
| Ponderosa Park | Census-Designated Place | Elbert | 1,640 | 3,112 | 3,232 | 3,334 | → |
| Portland | Census-Designated Place | Ouray | 110 | 190 | 135 | 136 | → |
| Pritchett | Town | Baca | 153 | 138 | 140 | 115 | → |
| Pueblo | City | Pueblo | 98,723 | 101,796 | 106,539 | 111,868 | → |
| Pueblo West | Census-Designated Place | Pueblo | 4,262 | 16,219 | 27,997 | 33,086 | → |
| Ramah | Town | El Paso | 94 | 121 | 123 | 112 | → |
| Rangely | Town | Rio Blanco | 2,353 | 2,092 | 2,368 | 2,303 | → |
| Raymer (New Raymer) | Town | Weld | 98 | 91 | 98 | 108 | → |
| Red Cliff | Town | Eagle | 289 | 294 | 272 | 258 | → |
| Red Feather Lakes | Census-Designated Place | Larimer | 229 | 340 | 343 | 426 | → |
| Redlands | Census-Designated Place | Mesa | 6,671 | 7,463 | 8,685 | 9,061 | → |
| Redstone | Census-Designated Place | Pitkin | ... | 75 | 130 | 127 | → |
| Redvale | Census-Designated Place | Montrose | 118 | 231 | 236 | 172 | → |
| Rico | Town | Dolores | 92 | 205 | 265 | 291 | → |
| Ridgway | Town | Ouray | 460 | 714 | 889 | 1,179 | → |
| Rifle | City | Garfield | 5,155 | 7,014 | 9,394 | 10,444 | → |
| Rock Creek Park | Census-Designated Place | El Paso | 27 | 47 | 58 | 68 | → |
| Rockvale | Town | Fremont | 318 | 390 | 491 | 511 | → |
| Rocky Ford | City | Otero | 4,202 | 4,311 | 3,960 | 3,870 | → |
| Rollinsville | Census-Designated Place | Gilpin | 29 | 53 | 181 | 194 | → |
| Romeo | Town | Conejos | 341 | 375 | 404 | 301 | → |
| Roxborough Park | Census-Designated Place | Douglas | 1,944 | 4,446 | 9,099 | 9,416 | → |
| Rye | Town | Pueblo | 168 | 200 | 156 | 207 | → |
| Saddle Ridge | Census-Designated Place | Morgan | ... | ... | 56 | 66 | → |
| Saguache | Town | Saguache | 599 | 588 | 496 | 541 | → |
| Salida | City | Chaffee | 4,833 | 5,530 | 5,257 | 5,686 | → |
| Salt Creek | Census-Designated Place | Pueblo | 684 | 594 | 512 | 507 | → |
| San Acacio | Census-Designated Place | Costilla | 52 | 40 | 40 | 56 | → |
| San Luis | Town | Costilla | 817 | 737 | 629 | 599 | → |
| Sanford | Town | Conejos | 756 | 815 | 879 | 881 | → |
| Sawpit | Town | San Miguel | 36 | 27 | 34 | 37 | → |
| Security-Widefield | Census-Designated Place | El Paso | 22,531 | 29,845 | 32,882 | 38,639 | → |
| Sedalia | Census-Designated Place | Douglas | 203 | 211 | 206 | 177 | → |
| Sedgwick | Town | Sedgwick | 175 | 191 | 146 | 175 | → |
| Segundo | Census-Designated Place | Las Animas | 109 | 201 | 98 | 100 | → |
| Seibert | Town | Kit Carson | 182 | 178 | 181 | 173 | → |
| Seven Hills | Census-Designated Place | Boulder | ... | ... | 121 | 129 | → |
| Severance | Town | Weld | 192 | 719 | 3,189 | 7,706 | → |
| Shaw Heights | Census-Designated Place | Adams | 4,807 | 4,993 | 5,116 | 5,185 | → |
| Sheridan | City | Arapahoe | 4,979 | 5,760 | 5,623 | 6,104 | → |
| Sheridan Lake | Town | Kiowa | 95 | 56 | 83 | 54 | → |
| Sherrelwood | Census-Designated Place | Adams | 16,636 | 17,657 | 18,287 | 19,228 | → |
| Sierra Ridge | Census-Designated Place | Douglas | ... | 647 | 229 | 3,490 | → |
| Silt | Town | Garfield | 1,181 | 1,712 | 2,933 | 3,550 | → |
| Silver Cliff | Town | Custer | 328 | 537 | 581 | 614 | → |
| Silver Plume | Town | Clear Creek | 157 | 203 | 170 | 201 | → |
| Silverthorne | Town | Summit | 1,846 | 3,170 | 3,900 | 4,402 | → |
| Silverton | Town | San Juan | 716 | 529 | 637 | 623 | → |
| Simla | Town | Elbert | 496 | 658 | 613 | 605 | → |
| Smeltertown | Census-Designated Place | Chaffee | 148 | 79 | 120 | 88 | → |
| Snowmass Village | Town | Pitkin | 1,420 | 1,820 | 2,816 | 3,023 | → |
| Snyder | Census-Designated Place | Morgan | 123 | 148 | 132 | 136 | → |
| Somerset | Census-Designated Place | Gunnison | 71 | 76 | 36 | 55 | → |
| South Fork | Town | Rio Grande | 287 | 616 | 455 | 513 | → |
| Southern Ute | Census-Designated Place | La Plata | 155 | 167 | 177 | 158 | → |
| Springfield | Town | Baca | 1,497 | 1,567 | 1,447 | 1,331 | → |
| St. Ann Highlands | Census-Designated Place | Boulder | 73 | 146 | 288 | 325 | → |
| St. Mary's | Census-Designated Place | Clear Creek | 133 | 229 | 283 | 333 | → |
| Starkville | Town | Las Animas | 104 | 127 | 59 | 65 | → |
| Steamboat Springs | City | Routt | 6,699 | 10,090 | 12,129 | 13,218 | → |
| Stepping Stone | Census-Designated Place | Douglas | ... | ... | 44 | 2,780 | → |
| Sterling | City | Logan | 10,453 | 11,306 | 14,799 | 13,742 | → |
| Sterling Ranch | Census-Designated Place | Douglas | 98 | 67 | 61 | 1,789 | → |
| Stonegate | Census-Designated Place | Douglas | 340 | 5,637 | 8,962 | 9,072 | → |
| Stonewall Gap | Census-Designated Place | Las Animas | ... | 35 | 67 | 66 | → |
| Strasburg | Census-Designated Place | Arapahoe / Adams | 1,310 | 1,598 | 2,447 | 3,307 | → |
| Stratmoor | Census-Designated Place | El Paso | 5,854 | 6,064 | 6,329 | 6,518 | → |
| Stratton | Town | Kit Carson | 654 | 679 | 659 | 656 | → |
| Sugar City | Town | Crowley | 252 | 279 | 258 | 257 | → |
| Sugarloaf | Census-Designated Place | Boulder | 74 | 94 | 261 | 274 | → |
| Sunshine | Census-Designated Place | Boulder | ... | ... | 230 | 198 | → |
| Superior | Town | Boulder / Jefferson | 294 | 9,061 | 12,481 | 13,095 | → |
| Swink | Town | Otero | 583 | 703 | 617 | 605 | → |
| Tabernash | Census-Designated Place | Grand | 147 | 190 | 417 | 401 | → |
| Tall Timber | Census-Designated Place | Boulder | 33 | 39 | 208 | 185 | → |
| Telluride | Town | San Miguel | 1,320 | 2,369 | 2,229 | 2,630 | → |
| The Pinery | Census-Designated Place | Douglas | 5,096 | 7,253 | 10,517 | 11,311 | → |
| Thornton | City | Adams | 55,307 | 82,506 | 118,859 | 141,865 | → |
| Timnath | Town | Larimer / Weld | 382 | 304 | 650 | 6,486 | → |
| Todd Creek | Census-Designated Place | Adams | 550 | 1,299 | 3,768 | 5,028 | → |
| Towaoc | Census-Designated Place | Montezuma | 700 | 1,097 | 1,087 | 1,120 | → |
| Towner | Census-Designated Place | Kiowa | 35 | 41 | 22 | 18 | → |
| Trail Side | Census-Designated Place | Morgan | 33 | 28 | 59 | 157 | → |
| Trinidad | City | Las Animas | 8,641 | 9,187 | 9,064 | 8,333 | → |
| Twin Lakes | Census-Designated Place | Adams | 5,325 | 6,301 | 6,101 | 8,226 | → |
| Twin Lakes | Census-Designated Place | Lake | 45 | 136 | 171 | 204 | → |
| Two Buttes | Town | Baca | 63 | 67 | 43 | 34 | → |
| Upper Bear Creek | Census-Designated Place | Clear Creek | 672 | 893 | 1,059 | 984 | → |
| Upper Witter Gulch | Census-Designated Place | Clear Creek | 56 | 121 | 88 | 380 | → |
| Vail | Town | Eagle | 3,733 | 4,690 | 5,325 | 4,848 | → |
| Valdez | Census-Designated Place | Las Animas | 31 | 46 | 47 | 46 | → |
| Valmont | Census-Designated Place | Boulder | 116 | 38 | 59 | 64 | → |
| Vernon | Census-Designated Place | Yuma | 29 | 23 | 29 | 38 | → |
| Victor | City | Teller | 243 | 442 | 412 | 380 | → |
| Vilas | Town | Baca | 105 | 107 | 114 | 101 | → |
| Vineland | Census-Designated Place | Pueblo | 151 | 118 | 251 | 269 | → |
| Vona | Town | Kit Carson | 103 | 95 | 106 | 91 | → |
| Walden | Town | Jackson | 896 | 733 | 608 | 608 | → |
| Walsenburg | City | Huerfano | 3,310 | 4,234 | 3,064 | 3,047 | → |
| Walsh | Town | Baca | 692 | 722 | 546 | 543 | → |
| Ward | Town | Boulder | 150 | 174 | 150 | 131 | → |
| Watkins | Census-Designated Place | Arapahoe / Adams | 232 | 382 | 653 | 682 | → |
| Welby | Census-Designated Place | Adams | 10,218 | 12,973 | 14,846 | 15,553 | → |
| Weldona | Census-Designated Place | Morgan | 77 | 84 | 139 | 113 | → |
| Wellington | Town | Larimer | 1,360 | 2,709 | 6,389 | 11,048 | → |
| West Pleasant View | Census-Designated Place | Jefferson | 3,826 | 3,932 | 3,840 | 4,327 | → |
| Westcliffe | Town | Custer | 306 | 419 | 571 | 423 | → |
| Westcreek | Census-Designated Place | Douglas | 57 | 105 | 129 | 120 | → |
| Westminster | City | Jefferson / Adams | 74,166 | 100,674 | 106,142 | 116,654 | → |
| Weston | Census-Designated Place | Las Animas | 14 | 47 | 55 | 53 | → |
| Wheat Ridge | City | Jefferson | 29,387 | 32,765 | 30,179 | 32,401 | → |
| Wiggins | Town | Morgan | 516 | 851 | 886 | 1,402 | → |
| Wiley | Town | Prowers | 395 | 456 | 405 | 440 | → |
| Williamsburg | Town | Fremont | 265 | 732 | 659 | 728 | → |
| Windsor | Town | Weld / Larimer | 5,571 | 10,211 | 18,650 | 32,722 | → |
| Winter Park | Town | Grand | 539 | 611 | 1,019 | 1,073 | → |
| Wolcott | Census-Designated Place | Eagle | ... | 33 | 15 | 20 | → |
| Woodland Park | City | Teller | 4,841 | 7,364 | 7,145 | 7,906 | → |
| Woodmoor | Census-Designated Place | El Paso | 3,858 | 7,177 | 8,741 | 9,536 | → |
| Woody Creek | Census-Designated Place | Pitkin | 200 | 208 | 263 | 290 | → |
| Wray | City | Yuma | 2,001 | 2,213 | 2,364 | 2,323 | → |
| Yampa | Town | Routt | 322 | 454 | 430 | 398 | → |
| Yuma | City | Yuma | 2,728 | 3,290 | 3,518 | 3,467 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.