All counties in the State of Colorado.
| Name | Status | Population (C 2000-04-01) | Population (E 2004-07-01) | Population (E 2008-07-01) |
|---|---|---|---|---|
| Adams | County | 347,985 | 387,393 | 430,836 |
| Alamosa | County | 14,966 | 15,293 | 15,417 |
| Arapahoe | County | 488,893 | 520,427 | 554,282 |
| Archuleta | County | 9,896 | 11,371 | 12,648 |
| Baca | County | 4,517 | 4,054 | 3,834 |
| Bent | County | 5,998 | 6,213 | 5,902 |
| Boulder | County | 269,773 | 281,049 | 293,161 |
| Broomfield | County | 39,185 | 46,626 | 54,858 |
| Chaffee | County | 16,242 | 16,729 | 16,995 |
| Cheyenne | County | 2,231 | 1,937 | 1,749 |
| Clear Creek | County | 9,322 | 9,053 | 8,908 |
| Conejos | County | 8,400 | 8,247 | 8,067 |
| Costilla | County | 3,663 | 3,490 | 3,232 |
| Crowley | County | 5,518 | 5,922 | 6,332 |
| Custer | County | 3,503 | 3,822 | 3,999 |
| Delta | County | 27,834 | 29,402 | 30,923 |
| Denver | County | 553,691 | 559,871 | 598,707 |
| Dolores | County | 1,844 | 1,798 | 1,986 |
| Douglas | County | 175,766 | 234,781 | 280,621 |
| Eagle | County | 41,675 | 46,417 | 52,331 |
| El Paso | County | 516,933 | 558,896 | 596,053 |
| Elbert | County | 19,872 | 22,150 | 22,929 |
| Fremont | County | 46,145 | 46,873 | 47,283 |
| Garfield | County | 43,791 | 47,929 | 55,426 |
| Gilpin | County | 4,771 | 4,858 | 5,153 |
| Grand | County | 12,442 | 13,186 | 13,781 |
| Gunnison | County | 13,956 | 14,318 | 15,147 |
| Hinsdale | County | 790 | 809 | 840 |
| Huerfano | County | 7,862 | 7,723 | 7,938 |
| Jackson | County | 1,577 | 1,465 | 1,346 |
| Jefferson | County | 525,330 | 523,261 | 533,339 |
| Kiowa | County | 1,622 | 1,394 | 1,321 |
| Kit Carson | County | 8,011 | 8,107 | 7,843 |
| La Plata | County | 43,941 | 46,909 | 50,482 |
| Lake | County | 7,812 | 7,650 | 7,994 |
| Larimer | County | 251,494 | 271,871 | 292,825 |
| Las Animas | County | 15,207 | 15,606 | 16,048 |
| Lincoln | County | 6,087 | 5,629 | 5,286 |
| Logan | County | 20,574 | 21,128 | 20,905 |
| Mesa | County | 116,935 | 127,131 | 143,171 |
| Mineral | County | 831 | 939 | 962 |
| Moffat | County | 13,184 | 13,319 | 13,840 |
| Montezuma | County | 23,830 | 24,447 | 25,384 |
| Montrose | County | 33,432 | 36,195 | 40,539 |
| Morgan | County | 27,171 | 27,673 | 27,804 |
| Otero | County | 20,311 | 19,416 | 18,774 |
| Ouray | County | 3,742 | 4,094 | 4,560 |
| Park | County | 14,523 | 16,422 | 16,993 |
| Phillips | County | 4,480 | 4,518 | 4,477 |
| Pitkin | County | 14,872 | 14,821 | 15,474 |
| Prowers | County | 14,483 | 13,761 | 13,116 |
| Pueblo | County | 141,472 | 148,597 | 156,737 |
| Rio Blanco | County | 5,986 | 5,927 | 6,340 |
| Rio Grande | County | 12,413 | 12,179 | 11,617 |
| Routt | County | 19,688 | 21,059 | 22,980 |
| Saguache | County | 5,917 | 6,801 | 7,058 |
| San Juan | County | 558 | 580 | 552 |
| San Miguel | County | 6,594 | 7,131 | 7,552 |
| Sedgwick | County | 2,747 | 2,524 | 2,354 |
| Summit | County | 23,548 | 25,207 | 26,843 |
| Teller | County | 20,555 | 21,144 | 21,661 |
| Washington | County | 4,926 | 4,784 | 4,497 |
| Weld | County | 180,857 | 218,040 | 249,775 |
| Yuma | County | 9,841 | 9,684 | 9,669 |
| Colorado | Federal State | 4,302,015 | 4,600,050 | 4,939,456 |
Contents: All incorporated places in the State of Colorado.
| Name | Status | County | Population (C 2000-04-01) | Population (E 2004-07-01) | Population (E 2008-07-01) |
|---|---|---|---|---|---|
| Aguilar | Town | Las Animas | 593 | 564 | 570 |
| Akron | Town | Washington | 1,711 | 1,750 | 1,651 |
| Alamosa | City | Alamosa | 8,429 | 8,659 | 8,745 |
| Alma | Town | Park | 179 | 182 | 172 |
| Antonito | Town | Conejos | 873 | 825 | 788 |
| Arriba | Town | Lincoln | 244 | 225 | 209 |
| Arvada | City | 102,401 | 101,991 | 107,361 | |
| Aspen | City | Pitkin | 5,998 | 5,814 | 5,902 |
| Ault | Town | Weld | 1,430 | 1,398 | 1,442 |
| Aurora | City | 276,482 | 290,881 | 319,057 | |
| Avon | Town | Eagle | 5,653 | 6,402 | 6,578 |
| Basalt | Town | 2,730 | 3,038 | 3,244 | |
| Bayfield | Town | La Plata | 1,586 | 1,640 | 2,024 |
| Bennett | Town | 2,063 | 2,490 | 2,595 | |
| Berthoud | Town | 4,964 | 5,150 | 5,429 | |
| Bethune | Town | Kit Carson | 225 | 215 | 209 |
| Black Hawk | City | Gilpin | 118 | 108 | 105 |
| Blanca | Town | Costilla | 391 | 381 | 342 |
| Blue River | Town | Summit | 685 | 798 | 954 |
| Bonanza | Town | Saguache | 14 | 15 | 14 |
| Boone | Town | Pueblo | 323 | 331 | 335 |
| Boulder | City | Boulder | 94,542 | 92,790 | 94,171 |
| Bow Mar | Town | 838 | 791 | 811 | |
| Branson | Town | Las Animas | 77 | 77 | 77 |
| Breckenridge | Town | Summit | 2,795 | 3,114 | 3,420 |
| Brighton | City | 21,004 | 26,816 | 31,380 | |
| Brookside | Town | Fremont | 219 | 216 | 212 |
| Broomfield | City | 39,185 | 46,626 | 54,858 | |
| Brush | City | Morgan | 5,117 | 5,137 | 5,332 |
| Buena Vista | Town | Chaffee | 2,195 | 2,159 | 2,134 |
| Burlington | City | Kit Carson | 3,678 | 3,954 | 3,875 |
| Calhan | Town | El Paso | 896 | 893 | 868 |
| Campo | Town | Baca | 150 | 135 | 127 |
| Canon City | City | Fremont | 15,549 | 15,585 | 15,889 |
| Carbondale | Town | Garfield | 5,216 | 5,651 | 6,266 |
| Castle Rock | Town | Douglas | 20,250 | 32,297 | 44,369 |
| Cedaredge | Town | Delta | 1,855 | 2,077 | 2,252 |
| Centennial | City | 102,650 | 97,669 | 99,680 | |
| Center | Town | 2,392 | 2,475 | 2,389 | |
| Central City | City | Gilpin | 515 | 482 | 566 |
| Cheraw | Town | Otero | 213 | 210 | 201 |
| Cherry Hills Village | City | Arapahoe | 5,962 | 6,061 | 6,355 |
| Cheyenne Wells | Town | Cheyenne | 1,010 | 868 | 786 |
| Coal Creek | Town | Fremont | 303 | 357 | 355 |
| Cokedale | Town | Las Animas | 139 | 132 | 134 |
| Collbran | Town | Mesa | 388 | 398 | 426 |
| Colorado Springs | City | El Paso | 361,125 | 369,938 | 380,307 |
| Columbine Valley | Town | Arapahoe | 1,146 | 1,168 | 1,320 |
| Commerce City | City | Adams | 21,051 | 29,422 | 42,473 |
| Cortez | City | Montezuma | 7,986 | 8,153 | 8,609 |
| Craig | City | Moffat | 9,193 | 9,119 | 9,241 |
| Crawford | Town | Delta | 365 | 383 | 392 |
| Creede | Town | Mineral | 377 | 417 | 421 |
| Crested Butte | Town | Gunnison | 1,529 | 1,546 | 1,651 |
| Crestone | Town | Saguache | 87 | 97 | 107 |
| Cripple Creek | City | Teller | 1,115 | 1,047 | 1,012 |
| Crook | Town | Logan | 128 | 129 | 124 |
| Crowley | Town | Crowley | 187 | 178 | 165 |
| Dacono | City | Weld | 3,046 | 3,376 | 4,052 |
| De Beque | Town | Mesa | 472 | 490 | 522 |
| Deer Trail | Town | Arapahoe | 596 | 574 | 577 |
| Del Norte | Town | Rio Grande | 1,879 | 1,739 | 1,603 |
| Delta | City | Delta | 7,813 | 8,180 | 9,020 |
| Denver | City | Denver | 553,691 | 559,871 | 598,707 |
| Dillon | Town | Summit | 802 | 789 | 808 |
| Dinosaur | Town | Moffat | 319 | 335 | 335 |
| Dolores | Town | Montezuma | 862 | 863 | 920 |
| Dove Creek | Town | Dolores | 707 | 682 | 745 |
| Durango | City | La Plata | 14,463 | 15,385 | 16,416 |
| Eads | Town | Kiowa | 747 | 639 | 606 |
| Eagle | Town | Eagle | 3,054 | 3,765 | 5,897 |
| Eaton | Town | Weld | 2,749 | 3,827 | 4,213 |
| Eckley | Town | Yuma | 278 | 270 | 265 |
| Edgewater | City | Jefferson | 5,445 | 5,242 | 5,136 |
| Elizabeth | Town | Elbert | 1,452 | 1,514 | 1,436 |
| Empire | Town | Clear Creek | 355 | 335 | 324 |
| Englewood | City | Arapahoe | 31,792 | 32,393 | 32,669 |
| Erie | Town | 6,360 | 10,102 | 16,432 | |
| Estes Park | Town | Larimer | 5,515 | 5,881 | 6,432 |
| Evans | City | Weld | 10,073 | 16,151 | 18,842 |
| Fairplay | Town | Park | 625 | 665 | 658 |
| Federal Heights | City | Adams | 12,067 | 11,725 | 11,732 |
| Firestone | Town | Weld | 2,023 | 5,828 | 8,117 |
| Flagler | Town | Kit Carson | 612 | 591 | 567 |
| Fleming | Town | Logan | 426 | 448 | 434 |
| Florence | City | Fremont | 3,688 | 3,619 | 3,625 |
| Fort Collins | City | Larimer | 119,267 | 128,623 | 136,509 |
| Fort Lupton | City | Weld | 7,163 | 7,401 | 7,620 |
| Fort Morgan | City | Morgan | 11,035 | 10,817 | 10,539 |
| Fountain | City | El Paso | 15,298 | 18,807 | 19,669 |
| Fowler | Town | Otero | 1,213 | 1,139 | 1,094 |
| Foxfield | Town | Arapahoe | 721 | 847 | 925 |
| Fraser | Town | Grand | 917 | 910 | 927 |
| Frederick | Town | Weld | 2,524 | 6,028 | 8,127 |
| Frisco | Town | Summit | 2,473 | 2,467 | 2,696 |
| Fruita | City | Mesa | 6,702 | 6,914 | 7,418 |
| Garden City | Town | Weld | 351 | 334 | 337 |
| Genoa | Town | Lincoln | 211 | 194 | 180 |
| Georgetown | Town | Clear Creek | 1,096 | 1,062 | 1,027 |
| Gilcrest | Town | Weld | 1,161 | 1,143 | 1,151 |
| Glendale | City | Arapahoe | 4,546 | 4,753 | 4,798 |
| Glenwood Springs | City | Garfield | 7,776 | 8,377 | 9,053 |
| Golden | City | Jefferson | 17,176 | 17,423 | 17,321 |
| Granada | Town | Prowers | 640 | 603 | 580 |
| Granby | Town | Grand | 1,698 | 1,691 | 1,662 |
| Grand Junction | City | Mesa | 45,336 | 46,330 | 49,688 |
| Grand Lake | Town | Grand | 447 | 443 | 433 |
| Greeley | City | Weld | 78,107 | 85,478 | 91,492 |
| Green Mountain Falls | Town | 773 | 785 | 803 | |
| Greenwood Village | City | Arapahoe | 11,411 | 12,971 | 14,230 |
| Grover | Town | Weld | 153 | 153 | 154 |
| Gunnison | City | Gunnison | 5,411 | 5,321 | 5,461 |
| Gypsum | Town | Eagle | 3,821 | 4,853 | 6,052 |
| Hartman | Town | Prowers | 111 | 108 | 102 |
| Haswell | Town | Kiowa | 84 | 74 | 70 |
| Haxtun | Town | Phillips | 982 | 984 | 964 |
| Hayden | Town | Routt | 1,638 | 1,564 | 1,579 |
| Hillrose | Town | Morgan | 254 | 270 | 270 |
| Holly | Town | Prowers | 1,048 | 992 | 961 |
| Holyoke | City | Phillips | 2,261 | 2,264 | 2,223 |
| Hooper | Town | Alamosa | 123 | 127 | 124 |
| Hot Sulphur Springs | Town | Grand | 529 | 526 | 512 |
| Hotchkiss | Town | Delta | 1,006 | 1,064 | 1,084 |
| Hudson | Town | Weld | 1,581 | 1,596 | 1,617 |
| Hugo | Town | Lincoln | 885 | 802 | 742 |
| Idaho Springs | City | Clear Creek | 1,942 | 1,816 | 1,736 |
| Ignacio | Town | La Plata | 821 | 806 | 767 |
| Iliff | Town | Logan | 213 | 215 | 216 |
| Jamestown | Town | Boulder | 217 | 210 | 213 |
| Johnstown | Town | Weld | 4,350 | 6,457 | 9,309 |
| Julesburg | Town | Sedgwick | 1,475 | 1,343 | 1,252 |
| Keenesburg | Town | Weld | 872 | 1,143 | 1,177 |
| Kersey | Town | Weld | 1,407 | 1,380 | 1,460 |
| Kim | Town | Las Animas | 65 | 65 | 65 |
| Kiowa | Town | Elbert | 588 | 609 | 596 |
| Kit Carson | Town | Cheyenne | 253 | 223 | 202 |
| Kremmling | Town | Grand | 1,578 | 1,574 | 1,528 |
| La Jara | Town | Conejos | 886 | 812 | 792 |
| La Junta | City | Otero | 7,575 | 7,242 | 7,046 |
| La Salle | Town | Weld | 1,863 | 1,824 | 1,986 |
| La Veta | Town | Huerfano | 924 | 864 | 882 |
| Lafayette | City | Boulder | 23,182 | 23,925 | 25,065 |
| Lake City | Town | Hinsdale | 375 | 378 | 385 |
| Lakeside | Town | Jefferson | 20 | 19 | 19 |
| Lakewood | City | Jefferson | 144,366 | 140,713 | 140,989 |
| Lamar | City | Prowers | 8,869 | 8,358 | 7,953 |
| Larkspur | Town | Douglas | 234 | 292 | 328 |
| Las Animas | City | Bent | 2,760 | 2,523 | 2,345 |
| Leadville | City | Lake | 2,821 | 2,680 | 2,743 |
| Limon | Town | Lincoln | 2,071 | 1,885 | 1,750 |
| Littleton | City | 40,433 | 40,317 | 40,777 | |
| Lochbuie | Town | Weld | 2,068 | 3,380 | 4,800 |
| Log Lane Village | Town | Morgan | 1,015 | 1,020 | 973 |
| Lone Tree | City | Douglas | 6,915 | 7,771 | 9,348 |
| Longmont | City | 71,227 | 81,354 | 85,928 | |
| Louisville | City | Boulder | 18,988 | 18,632 | 19,133 |
| Loveland | City | Larimer | 51,303 | 59,044 | 65,587 |
| Lyons | Town | Boulder | 1,585 | 1,613 | 2,035 |
| Manassa | Town | Conejos | 1,042 | 995 | 945 |
| Mancos | Town | Montezuma | 1,119 | 1,157 | 1,261 |
| Manitou Springs | City | El Paso | 4,980 | 5,044 | 5,161 |
| Manzanola | Town | Otero | 525 | 496 | 472 |
| Marble | Town | Gunnison | 105 | 104 | 104 |
| Mead | Town | Weld | 1,961 | 2,256 | 3,408 |
| Meeker | Town | Rio Blanco | 2,242 | 2,211 | 2,387 |
| Merino | Town | Logan | 236 | 282 | 270 |
| Milliken | Town | Weld | 2,952 | 5,191 | 6,159 |
| Minturn | Town | Eagle | 1,072 | 1,113 | 1,185 |
| Moffat | Town | Saguache | 114 | 120 | 126 |
| Monte Vista | City | Rio Grande | 4,583 | 4,304 | 4,009 |
| Montezuma | Town | Summit | 42 | 43 | 43 |
| Montrose | City | Montrose | 12,924 | 14,769 | 17,989 |
| Monument | Town | El Paso | 1,975 | 2,504 | 2,588 |
| Morrison | Town | Jefferson | 430 | 415 | 415 |
| Mount Crested Butte | Town | Gunnison | 707 | 760 | 848 |
| Mountain View | Town | Jefferson | 569 | 533 | 520 |
| Mountain Village | Town | San Miguel | 978 | 1,115 | 1,370 |
| Naturita | Town | Montrose | 635 | 660 | 655 |
| Nederland | Town | Boulder | 1,394 | 1,356 | 1,369 |
| New Castle | Town | Garfield | 1,992 | 2,790 | 3,796 |
| Northglenn | City | 32,167 | 33,525 | 33,697 | |
| Norwood | Town | San Miguel | 446 | 468 | 462 |
| Nucla | Town | Montrose | 736 | 731 | 732 |
| Nunn | Town | Weld | 471 | 515 | 541 |
| Oak Creek | Town | Routt | 849 | 808 | 813 |
| Olathe | Town | Montrose | 1,595 | 1,672 | 1,742 |
| Olney Springs | Town | Crowley | 389 | 373 | 344 |
| Ophir | Town | San Miguel | 113 | 117 | 132 |
| Orchard City | Town | Delta | 2,885 | 3,010 | 3,203 |
| Ordway | Town | Crowley | 1,248 | 1,175 | 1,098 |
| Otis | Town | Washington | 534 | 504 | 470 |
| Ouray | City | Ouray | 813 | 845 | 932 |
| Ovid | Town | Sedgwick | 330 | 312 | 291 |
| Pagosa Springs | Town | Archuleta | 1,585 | 1,584 | 1,744 |
| Palisade | Town | Mesa | 2,579 | 2,658 | 2,840 |
| Palmer Lake | Town | El Paso | 2,179 | 2,255 | 2,326 |
| Paoli | Town | Phillips | 42 | 42 | 41 |
| Paonia | Town | Delta | 1,519 | 1,594 | 1,633 |
| Parachute | Town | Garfield | 1,006 | 1,056 | 1,290 |
| Parker | Town | Douglas | 23,630 | 36,518 | 43,767 |
| Peetz | Town | Logan | 227 | 228 | 244 |
| Pierce | Town | Weld | 889 | 873 | 877 |
| Pitkin | Town | Gunnison | 124 | 118 | 117 |
| Platteville | Town | Weld | 2,379 | 2,558 | 2,634 |
| Poncha Springs | Town | Chaffee | 466 | 463 | 456 |
| Pritchett | Town | Baca | 137 | 123 | 116 |
| Pueblo | City | Pueblo | 102,139 | 102,488 | 104,951 |
| Ramah | Town | El Paso | 117 | 122 | 120 |
| Rangely | Town | Rio Blanco | 2,100 | 2,047 | 2,138 |
| Raymer | Town | Weld | 91 | 91 | 91 |
| Red Cliff | Town | Eagle | 300 | 314 | 323 |
| Rico | Town | Dolores | 205 | 218 | 258 |
| Ridgway | Town | Ouray | 743 | 761 | 806 |
| Rifle | City | Garfield | 6,829 | 7,605 | 9,202 |
| Rockvale | Town | Fremont | 435 | 413 | 436 |
| Rocky Ford | City | Otero | 4,286 | 4,112 | 3,950 |
| Romeo | Town | Conejos | 375 | 361 | 342 |
| Rye | Town | Pueblo | 202 | 204 | 201 |
| Saguache | Town | Saguache | 578 | 600 | 581 |
| Salida | City | Chaffee | 5,579 | 5,490 | 5,396 |
| San Luis | Town | Costilla | 739 | 712 | 642 |
| Sanford | Town | Conejos | 817 | 779 | 740 |
| Sawpit | Town | San Miguel | 25 | 25 | 24 |
| Sedgwick | Town | Sedgwick | 191 | 175 | 163 |
| Seibert | Town | Kit Carson | 180 | 175 | 165 |
| Severance | Town | Weld | 639 | 1,528 | 3,010 |
| Sheridan | City | Arapahoe | 5,534 | 5,403 | 5,412 |
| Sheridan Lake | Town | Kiowa | 66 | 59 | 56 |
| Silt | Town | Garfield | 1,740 | 2,137 | 2,667 |
| Silver Cliff | Town | Custer | 512 | 573 | 578 |
| Silver Plume | Town | Clear Creek | 203 | 192 | 184 |
| Silverthorne | Town | Summit | 3,198 | 3,643 | 3,980 |
| Silverton | Town | San Juan | 531 | 552 | 524 |
| Simla | Town | Elbert | 663 | 725 | 685 |
| Snowmass Village | Town | Pitkin | 1,822 | 1,769 | 1,911 |
| South Fork | Town | Rio Grande | 604 | 575 | 533 |
| Springfield | Town | Baca | 1,562 | 1,369 | 1,291 |
| Starkville | Town | Las Animas | 128 | 127 | 128 |
| Steamboat Springs | City | Routt | 9,946 | 9,441 | 9,592 |
| Sterling | City | Logan | 12,785 | 13,005 | 12,800 |
| Stratton | Town | Kit Carson | 669 | 633 | 606 |
| Sugar City | Town | Crowley | 279 | 264 | 242 |
| Superior | Town | 9,008 | 10,487 | 10,549 | |
| Swink | Town | Otero | 696 | 677 | 653 |
| Telluride | Town | San Miguel | 2,221 | 2,303 | 2,361 |
| Thornton | City | 81,987 | 100,891 | 113,429 | |
| Timnath | Town | Larimer | 288 | 280 | 284 |
| Trinidad | City | Las Animas | 9,096 | 8,920 | 9,125 |
| Two Buttes | Town | Baca | 67 | 61 | 57 |
| Vail | Town | Eagle | 4,639 | 4,594 | 4,768 |
| Victor | City | Teller | 445 | 411 | 406 |
| Vilas | Town | Baca | 110 | 100 | 94 |
| Vona | Town | Kit Carson | 95 | 91 | 86 |
| Walden | Town | Jackson | 734 | 658 | 586 |
| Walsenburg | City | Huerfano | 4,182 | 3,854 | 3,830 |
| Walsh | Town | Baca | 715 | 666 | 637 |
| Ward | Town | Boulder | 169 | 169 | 168 |
| Wellington | Town | Larimer | 2,674 | 2,818 | 5,052 |
| Westcliffe | Town | Custer | 417 | 452 | 455 |
| Westminster | City | 101,029 | 104,074 | 107,056 | |
| Wheat Ridge | City | Jefferson | 32,915 | 31,229 | 30,894 |
| Wiggins | Town | Morgan | 852 | 950 | 945 |
| Wiley | Town | Prowers | 483 | 468 | 446 |
| Williamsburg | Town | Fremont | 714 | 735 | 758 |
| Windsor | Town | 10,094 | 13,859 | 18,058 | |
| Winter Park | Town | Grand | 665 | 705 | 857 |
| Woodland Park | City | Teller | 6,599 | 6,495 | 6,501 |
| Wray | City | Yuma | 2,194 | 2,115 | 2,109 |
| Yampa | Town | Routt | 443 | 422 | 425 |
| Yuma | City | Yuma | 3,291 | 3,269 | 3,263 |
Change: (E 2008-07-01) in comparison to (C 2000-04-01).
Source: US Census Bureau (web).
2009-07-04HTTP://WWW.CITYPOPULATION.DE© TH. BRINKHOFF