State
The population development of the State of Colorado according to census results and latest official estimates.
| Name | Abbr. | Status | Capital | Area A-L (km²) | Population Census (C) 1990-04-01 | Population Census (C) 2000-04-01 | Population Census (C) 2010-04-01 | Population Census (C) 2020-04-01 | Population Estimate (E) 2024-07-01 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Colorado | CO | FSt | Denver | 268,423 | 3,294,394 | 4,301,261 | 5,029,196 | 5,773,714 | 5,957,493 | 26842300 | → |
| USA | USA | Fed Rep | Washington | 9,149,429 | 248,709,873 | 281,421,906 | 308,745,538 | 331,449,281 | 340,110,988 | → |
- U.S. Census Bureau.
Major Cities
| Name | Population Estimate (E) 2024-07-01 | |
|---|---|---|
| 1 | Denver | 729,019 |
| 2 | Colorado Springs | 493,554 |
| 3 | Aurora | 403,130 |
| 4 | Fort Collins | 170,924 |
| 5 | Lakewood | 156,868 |
| 6 | Thornton | 146,689 |
| 7 | Arvada | 121,873 |
| 8 | Westminster | 115,302 |
| 9 | Greeley | 114,363 |
| 10 | Pueblo | 111,166 |
Contents: Cities, Towns & Places
The population of all cities, towns and unincorporated places in Colorado with more than 15,000 inhabitants according to census results and latest official estimates.
| Name | Status | Population Census (C) 1990-04-01 | Population Census (C) 2000-04-01 | Population Census (C) 2010-04-01 | Population Census (C) 2020-04-01 | Population Estimate (E) 2024-07-01 | Area | |
|---|---|---|---|---|---|---|---|---|
| Arvada | City | 89,823 | 102,383 | 106,759 | 124,354 | 121,873 | 10098 | → |
| Aurora | City | 221,713 | 275,687 | 324,976 | 386,333 | 403,130 | 42491 | → |
| Black Forest | CDP | 6,823 | 10,210 | 13,116 | 15,097 | 15,940 | 26066 | → |
| Boulder | City | 85,975 | 94,213 | 97,613 | 108,556 | 106,803 | 6961 | → |
| Brighton | City | 14,335 | 21,044 | 33,840 | 40,072 | 43,473 | 5626 | → |
| Broomfield | City | 24,746 | 39,202 | 55,848 | 74,106 | 78,323 | 8539 | → |
| Cañon City | City | 12,756 | 15,926 | 16,410 | 17,128 | 17,193 | 3215 | → |
| Castle Pines | City | 544 | 3,587 | 10,333 | 11,036 | 15,162 | 2485 | → |
| Castle Rock | Town | 8,608 | 20,302 | 48,238 | 73,158 | 83,213 | 8998 | → |
| Centennial | City | 81,484 | 102,586 | 100,391 | 108,425 | 108,853 | 7810 | → |
| Cimarron Hills | CDP | 11,160 | 15,194 | 16,161 | 19,311 | 20,650 | 1538 | → |
| Clifton | CDP | 11,322 | 15,618 | 19,889 | 20,413 | 20,640 | 1558 | → |
| Colorado Springs | City | 282,355 | 360,329 | 417,450 | 480,378 | 493,554 | 52341 | → |
| Columbine | CDP | 23,969 | 24,095 | 24,280 | 25,229 | 25,630 | 1717 | → |
| Commerce City | City | 17,588 | 20,921 | 45,849 | 62,431 | 70,245 | 9467 | → |
| Dakota Ridge | CDP | 20,045 | 30,126 | 32,005 | 33,892 | 34,690 | 2432 | → |
| Denver | City | 467,549 | 553,805 | 599,454 | 715,513 | 729,019 | 39646 | → |
| Durango | City | 12,728 | 14,518 | 16,868 | 19,090 | 19,811 | 4578 | → |
| Englewood | City | 29,918 | 31,943 | 30,260 | 33,639 | 35,238 | 1699 | → |
| Erie | Town | 1,885 | 6,420 | 18,177 | 30,053 | 38,594 | 5536 | → |
| Evans | City | 6,516 | 10,470 | 18,505 | 22,182 | 22,394 | 2757 | → |
| Federal Heights | City | 9,339 | 12,062 | 11,461 | 14,410 | 13,971 | 460 | → |
| Firestone | Town | 1,724 | 2,359 | 10,199 | 16,372 | 19,396 | 3601 | → |
| Fort Carson | CDP | 11,309 | 10,566 | 13,997 | 17,693 | 19,260 | 7244 | → |
| Fort Collins | City | 88,831 | 121,591 | 144,861 | 169,826 | 170,924 | 14825 | → |
| Fountain | City | 12,244 | 15,850 | 25,899 | 29,801 | 29,457 | 5787 | → |
| Four Square Mile | CDP | 8,658 | 14,175 | 19,766 | 22,872 | 24,190 | 700 | → |
| Frederick | Town | 1,762 | 3,224 | 8,662 | 14,527 | 17,937 | 3939 | → |
| Golden | City | 13,002 | 17,147 | 18,890 | 20,415 | 20,151 | 2497 | → |
| Grand Junction | City | 41,543 | 49,391 | 59,034 | 65,641 | 70,554 | 10556 | → |
| Greeley | City | 60,759 | 78,068 | 92,953 | 108,809 | 114,363 | 12986 | → |
| Greenwood Village | City | 8,435 | 11,297 | 13,919 | 15,676 | 15,288 | 2140 | → |
| Highlands Ranch | CDP | 14,198 | 70,931 | 96,713 | 103,444 | 106,300 | 6286 | → |
| Johnstown | Town | 1,929 | 4,775 | 9,862 | 17,327 | 20,639 | 4036 | → |
| Ken Caryl | CDP | 24,391 | 30,887 | 32,438 | 33,811 | 34,390 | 2547 | → |
| Lafayette | City | 15,052 | 23,145 | 24,482 | 30,377 | 30,587 | 2397 | → |
| Lakewood | City | 125,968 | 143,945 | 142,592 | 155,999 | 156,868 | 11261 | → |
| Littleton | City | 33,746 | 40,178 | 41,624 | 45,665 | 44,879 | 3268 | → |
| Lone Tree | City | 1,604 | 6,880 | 10,235 | 14,183 | 14,061 | 2541 | → |
| Longmont | City | 52,203 | 71,564 | 86,330 | 98,919 | 99,818 | 7579 | → |
| Louisville | City | 12,618 | 18,928 | 18,409 | 21,244 | 20,811 | 2064 | → |
| Loveland | City | 37,778 | 51,368 | 67,005 | 76,367 | 81,102 | 9282 | → |
| Montrose | City | 10,168 | 13,972 | 19,097 | 20,308 | 21,646 | 4893 | → |
| Northglenn | City | 27,259 | 31,609 | 35,690 | 38,111 | 38,287 | 1906 | → |
| Parker | Town | 5,688 | 23,384 | 45,352 | 58,495 | 65,473 | 5814 | → |
| Pueblo | City | 98,723 | 101,796 | 106,539 | 111,868 | 111,166 | 14663 | → |
| Pueblo West | CDP | 4,262 | 16,219 | 27,997 | 33,086 | 35,250 | 12869 | → |
| Security-Widefield | CDP | 22,531 | 29,845 | 32,882 | 38,639 | 41,090 | 3365 | → |
| Sherrelwood | CDP | 16,636 | 17,657 | 18,287 | 19,228 | 19,630 | 632 | → |
| Sterling | City | 10,453 | 11,306 | 14,799 | 13,742 | 13,114 | 1973 | → |
| Thornton | City | 55,307 | 82,506 | 118,859 | 141,865 | 146,689 | 9460 | → |
| Welby | CDP | 10,218 | 12,973 | 14,846 | 15,553 | 15,850 | 960 | → |
| Westminster | City | 74,166 | 100,674 | 106,142 | 116,654 | 115,302 | 8189 | → |
| Wheat Ridge | City | 29,387 | 32,765 | 30,179 | 32,401 | 31,999 | 2420 | → |
| Windsor | Town | 5,571 | 10,211 | 18,650 | 32,722 | 41,734 | 6812 | → |
- Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.
- U.S. Census Bureau.