USA: Colorado
Counties
The population of all counties in the State of Colorado according to census results and latest offcial estimates.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2021-07-01 | |
|---|---|---|---|---|---|---|---|
| Adams | County | 258,100 | 348,040 | 441,603 | 519,572 | 522,140 | → |
| Alamosa | County | 13,617 | 14,966 | 15,445 | 16,376 | 16,547 | → |
| Arapahoe | County | 391,511 | 487,967 | 572,003 | 655,070 | 654,900 | → |
| Archuleta | County | 5,345 | 9,898 | 12,084 | 13,359 | 13,790 | → |
| Baca | County | 4,556 | 4,517 | 3,788 | 3,506 | 3,514 | → |
| Bent | County | 5,048 | 5,998 | 6,499 | 5,650 | 5,759 | → |
| Boulder | County | 209,050 | 269,755 | 294,567 | 330,758 | 329,543 | → |
| Broomfield | County | 25,308 | 39,202 | 55,889 | 74,112 | 75,325 | → |
| Chaffee | County | 12,684 | 16,242 | 17,809 | 19,476 | 20,074 | → |
| Cheyenne | County | 2,397 | 2,231 | 1,836 | 1,748 | 1,707 | → |
| Clear Creek | County | 7,619 | 9,322 | 9,088 | 9,397 | 9,446 | → |
| Conejos | County | 7,453 | 8,400 | 8,256 | 7,461 | 7,612 | → |
| Costilla | County | 3,190 | 3,663 | 3,524 | 3,499 | 3,625 | → |
| Crowley | County | 3,946 | 5,518 | 5,823 | 5,922 | 6,012 | → |
| Custer | County | 1,926 | 3,503 | 4,255 | 4,704 | 5,045 | → |
| Delta | County | 20,980 | 27,834 | 30,952 | 31,196 | 31,661 | → |
| Denver | County | 467,610 | 554,636 | 600,158 | 715,522 | 711,463 | → |
| Dolores | County | 1,504 | 1,844 | 2,064 | 2,326 | 2,397 | → |
| Douglas | County | 60,391 | 175,766 | 285,465 | 357,978 | 368,990 | → |
| Eagle | County | 21,928 | 41,659 | 52,197 | 55,731 | 55,727 | → |
| El Paso | County | 397,014 | 516,929 | 622,263 | 730,395 | 737,867 | → |
| Elbert | County | 9,646 | 19,872 | 23,086 | 26,062 | 27,128 | → |
| Fremont | County | 32,273 | 46,145 | 46,824 | 48,939 | 49,661 | → |
| Garfield | County | 29,974 | 43,791 | 56,389 | 61,685 | 62,161 | → |
| Gilpin | County | 3,070 | 4,757 | 5,441 | 5,808 | 5,873 | → |
| Grand | County | 7,966 | 12,442 | 14,843 | 15,717 | 15,860 | → |
| Gunnison | County | 10,273 | 13,956 | 15,324 | 16,918 | 17,281 | → |
| Hinsdale | County | 467 | 790 | 843 | 788 | 781 | → |
| Huerfano | County | 6,009 | 7,862 | 6,711 | 6,820 | 6,920 | → |
| Jackson | County | 1,605 | 1,577 | 1,394 | 1,379 | 1,363 | → |
| Jefferson | County | 436,550 | 525,395 | 534,543 | 582,910 | 579,581 | → |
| Kiowa | County | 1,688 | 1,622 | 1,398 | 1,446 | 1,452 | → |
| Kit Carson | County | 7,140 | 8,011 | 8,270 | 7,087 | 6,950 | → |
| La Plata | County | 32,284 | 43,941 | 51,334 | 55,638 | 56,250 | → |
| Lake | County | 6,007 | 7,812 | 7,310 | 7,436 | 7,407 | → |
| Larimer | County | 186,136 | 251,494 | 299,630 | 359,066 | 362,533 | → |
| Las Animas | County | 13,765 | 15,207 | 15,507 | 14,555 | 14,633 | → |
| Lincoln | County | 4,529 | 6,087 | 5,467 | 5,675 | 5,688 | → |
| Logan | County | 17,567 | 20,504 | 22,709 | 21,528 | 21,487 | → |
| Mesa | County | 93,145 | 116,255 | 146,723 | 155,703 | 157,335 | → |
| Mineral | County | 558 | 831 | 712 | 865 | 924 | → |
| Moffat | County | 11,357 | 13,184 | 13,795 | 13,292 | 13,185 | → |
| Montezuma | County | 18,672 | 23,830 | 25,535 | 25,849 | 26,175 | → |
| Montrose | County | 24,423 | 33,432 | 41,276 | 42,679 | 43,168 | → |
| Morgan | County | 21,939 | 27,171 | 28,159 | 29,111 | 29,008 | → |
| Otero | County | 20,185 | 20,311 | 18,831 | 18,690 | 18,594 | → |
| Ouray | County | 2,295 | 3,742 | 4,436 | 4,874 | 5,035 | → |
| Park | County | 7,174 | 14,523 | 16,206 | 17,390 | 17,720 | → |
| Phillips | County | 4,189 | 4,480 | 4,442 | 4,530 | 4,512 | → |
| Pitkin | County | 12,661 | 14,872 | 17,148 | 17,358 | 17,348 | → |
| Prowers | County | 13,347 | 14,483 | 12,551 | 11,999 | 11,996 | → |
| Pueblo | County | 123,051 | 141,472 | 159,063 | 168,162 | 169,622 | → |
| Rio Blanco | County | 5,972 | 5,986 | 6,666 | 6,529 | 6,476 | → |
| Rio Grande | County | 10,770 | 12,413 | 11,982 | 11,539 | 11,408 | → |
| Routt | County | 14,088 | 19,690 | 23,509 | 24,829 | 25,091 | → |
| Saguache | County | 4,619 | 5,917 | 6,108 | 6,368 | 6,471 | → |
| San Juan | County | 745 | 558 | 699 | 705 | 733 | → |
| San Miguel | County | 3,653 | 6,594 | 7,359 | 8,072 | 8,074 | → |
| Sedgwick | County | 2,690 | 2,747 | 2,379 | 2,404 | 2,336 | → |
| Summit | County | 12,881 | 23,548 | 27,994 | 31,055 | 30,941 | → |
| Teller | County | 12,468 | 20,555 | 23,350 | 24,710 | 24,926 | → |
| Washington | County | 4,812 | 4,926 | 4,814 | 4,817 | 4,861 | → |
| Weld | County | 131,620 | 180,745 | 252,825 | 328,981 | 340,036 | → |
| Yuma | County | 8,954 | 9,841 | 10,043 | 9,988 | 9,941 | → |
| Colorado | State | 3,294,394 | 4,301,261 | 5,029,196 | 5,773,714 | 5,812,069 |
Contents: Incorporated Places
The population of all incorporated places in the State of Colorado according to census results and latest offcial estimates.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, »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 | Population Estimate 2021-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Aguilar | Town | Las Animas | 520 | 600 | 536 | 452 | 452 | → |
| Akron | Town | Washington | 1,599 | 1,736 | 1,695 | 1,761 | 1,770 | → |
| Alamosa | City | Alamosa | 7,622 | 8,456 | 8,865 | 9,765 | 9,814 | → |
| Alma | Town | Park | 145 | 205 | 274 | 296 | 298 | → |
| Antonito | Town | Conejos | 875 | 910 | 781 | 645 | 647 | → |
| Arriba | Town | Lincoln | 218 | 244 | 193 | 204 | 205 | → |
| Arvada | City | Jefferson / Adams | 89,823 | 102,383 | 106,759 | 124,539 | 123,436 | → |
| Aspen | City | Pitkin | 5,605 | 6,054 | 6,795 | 6,999 | 6,949 | → |
| Ault | Town | Weld | 1,098 | 1,451 | 1,527 | 1,886 | 2,365 | → |
| Aurora | City | Arapahoe / Adams / Douglas | 221,713 | 275,687 | 324,976 | 386,241 | 389,347 | → |
| Avon | Town | Eagle | 1,845 | 5,516 | 6,399 | 6,077 | 6,058 | → |
| Basalt | Town | Eagle / Pitkin | 1,318 | 2,692 | 3,780 | 3,991 | 4,071 | → |
| Bayfield | Town | La Plata | 1,148 | 1,596 | 2,316 | 2,844 | 2,887 | → |
| Bennett | Town | Adams / Arapahoe | 1,636 | 2,057 | 2,300 | 2,871 | 3,295 | → |
| Berthoud | Town | Larimer / Weld | 3,439 | 5,482 | 5,198 | 10,381 | 11,717 | → |
| Bethune | Town | Kit Carson | 171 | 221 | 237 | 183 | 178 | → |
| Black Hawk | City | Gilpin | 231 | 159 | 118 | 128 | 128 | → |
| Blanca | Town | Costilla | 272 | 394 | 385 | 324 | 335 | → |
| Blue River | Town | Summit | 442 | 703 | 849 | 888 | 884 | → |
| Bonanza | Town | Saguache | 16 | 10 | 16 | 14 | 15 | → |
| Boone | Town | Pueblo | 304 | 326 | 346 | 305 | 307 | → |
| Boulder | City | Boulder | 85,975 | 94,213 | 97,613 | 105,414 | 104,175 | → |
| Bow Mar | Town | Arapahoe / Jefferson | 862 | 847 | 849 | 856 | 844 | → |
| Branson | Town | Las Animas | 52 | 77 | 74 | 55 | 56 | → |
| Breckenridge | Town | Summit | 1,781 | 2,697 | 4,541 | 5,124 | 5,024 | → |
| Brighton | City | Adams / Weld | 14,335 | 21,044 | 33,840 | 39,990 | 40,693 | → |
| Brookside | Town | Fremont | 221 | 217 | 232 | 238 | 242 | → |
| Broomfield | City | Broomfield | 24,746 | 39,202 | 55,848 | 74,112 | 75,325 | → |
| Brush | City | Morgan | 4,163 | 5,158 | 5,465 | 5,351 | 5,296 | → |
| Buena Vista | Town | Chaffee | 1,821 | 2,225 | 2,582 | 2,862 | 2,988 | → |
| Burlington | City | Kit Carson | 2,870 | 3,738 | 4,254 | 3,165 | 3,098 | → |
| Calhan | Town | El Paso | 558 | 891 | 780 | 761 | 755 | → |
| Campo | Town | Baca | 121 | 147 | 109 | 103 | 103 | → |
| Cañon City | City | Fremont | 12,756 | 15,765 | 16,410 | 17,136 | 17,363 | → |
| Carbonate | Town | Garfield | ... | ... | 0 | 0 | 0 | → |
| Carbondale | Town | Garfield | 3,039 | 5,242 | 6,453 | 6,444 | 6,491 | → |
| Castle Pines (Castle Pines North) | City | Douglas | 544 | 3,587 | 10,333 | 11,049 | 12,298 | → |
| Castle Rock | Town | Douglas | 8,608 | 20,302 | 48,238 | 73,012 | 76,353 | → |
| Cedaredge | Town | Delta | 1,398 | 1,945 | 2,251 | 2,296 | 2,356 | → |
| Centennial | City | Arapahoe | 81,484 | 102,586 | 100,391 | 108,353 | 106,966 | → |
| Center | Town | Saguache / Rio Grande | 1,960 | 2,440 | 2,241 | 1,935 | 1,933 | → |
| Central City | City | Gilpin / Clear Creek | 334 | 527 | 660 | 782 | 785 | → |
| Cheraw | Town | Otero | 271 | 209 | 254 | 237 | 236 | → |
| Cherry Hills Village | City | Arapahoe | 5,274 | 5,962 | 5,987 | 6,448 | 6,353 | → |
| Cheyenne Wells | Town | Cheyenne | 1,130 | 1,012 | 846 | 760 | 738 | → |
| City of Creede | Town | Mineral | 362 | 365 | 290 | 259 | 275 | → |
| Coal Creek | Town | Fremont | 178 | 316 | 345 | 366 | 371 | → |
| Cokedale | Town | Las Animas | 116 | 169 | 129 | 125 | 127 | → |
| Collbran | Town | Mesa | 483 | 495 | 692 | 369 | 368 | → |
| Colorado Springs | City | El Paso | 282,355 | 360,329 | 417,450 | 479,260 | 483,956 | → |
| Columbine Valley | Town | Arapahoe | 1,090 | 1,145 | 1,252 | 1,503 | 1,552 | → |
| Commerce City | City | Adams | 17,588 | 20,921 | 45,849 | 62,477 | 64,287 | → |
| Cortez | City | Montezuma | 7,313 | 7,997 | 8,471 | 8,720 | 8,855 | → |
| Craig | City | Moffat | 8,091 | 9,245 | 9,456 | 9,047 | 8,969 | → |
| Crawford | Town | Delta | 232 | 368 | 432 | 401 | 405 | → |
| Crested Butte | Town | Gunnison | 884 | 1,541 | 1,494 | 1,661 | 1,681 | → |
| Crestone | Town | Saguache | 39 | 71 | 125 | 137 | 138 | → |
| Cripple Creek | City | Teller | 609 | 1,178 | 1,226 | 1,134 | 1,139 | → |
| Crook | Town | Logan | 148 | 133 | 110 | 129 | 129 | → |
| Crowley | Town | Crowley | 228 | 187 | 176 | 178 | 182 | → |
| Dacono | City | Weld | 2,250 | 3,120 | 4,156 | 6,296 | 6,487 | → |
| De Beque | Town | Mesa | 261 | 455 | 504 | 489 | 488 | → |
| Deer Trail | Town | Arapahoe | 476 | 602 | 547 | 1,070 | 1,222 | → |
| Del Norte | Town | Rio Grande | 1,728 | 1,909 | 1,677 | 1,468 | 1,455 | → |
| Delta | City | Delta | 6,232 | 7,635 | 8,893 | 9,062 | 9,224 | → |
| Denver | City | Denver | 467,549 | 553,805 | 599,454 | 715,522 | 711,463 | → |
| Dillon | Town | Summit | 558 | 825 | 903 | 1,074 | 1,057 | → |
| Dinosaur | Town | Moffat | 324 | 314 | 339 | 244 | 243 | → |
| Dolores | Town | Montezuma | 872 | 717 | 928 | 888 | 904 | → |
| Dove Creek | Town | Dolores | 673 | 718 | 724 | 714 | 733 | → |
| Durango | City | La Plata | 12,728 | 14,518 | 16,868 | 19,034 | 19,223 | → |
| Eads | Town | Kiowa | 780 | 747 | 609 | 674 | 675 | → |
| Eagle | Town | Eagle | 1,758 | 3,105 | 6,513 | 7,468 | 7,538 | → |
| Eaton | Town | Weld | 2,179 | 2,783 | 4,375 | 5,800 | 5,868 | → |
| Eckley | Town | Yuma | 211 | 288 | 256 | 231 | 232 | → |
| Edgewater | City | Jefferson | 4,606 | 5,433 | 5,169 | 5,020 | 4,951 | → |
| Elizabeth | Town | Elbert | 830 | 1,485 | 1,362 | 1,666 | 2,004 | → |
| Empire | Town | Clear Creek | 406 | 348 | 282 | 341 | 339 | → |
| Englewood | City | Arapahoe | 29,918 | 31,943 | 30,260 | 33,609 | 33,516 | → |
| Erie | Town | Weld / Boulder | 1,885 | 6,420 | 18,177 | 30,230 | 31,686 | → |
| Estes Park | Town | Larimer | 3,512 | 5,605 | 5,933 | 5,925 | 5,880 | → |
| Evans | City | Weld | 6,516 | 10,470 | 18,505 | 22,158 | 22,296 | → |
| Fairplay | Town | Park | 384 | 598 | 696 | 725 | 729 | → |
| Federal Heights | City | Adams | 9,339 | 12,062 | 11,461 | 14,432 | 14,194 | → |
| Firestone | Town | Weld | 1,724 | 2,359 | 10,199 | 16,364 | 17,299 | → |
| Flagler | Town | Kit Carson | 551 | 619 | 571 | 561 | 561 | → |
| Fleming | Town | Logan | 350 | 426 | 405 | 426 | 424 | → |
| Florence | City | Fremont | 3,047 | 3,772 | 3,878 | 3,822 | 3,909 | → |
| Fort Collins | City | Larimer | 88,831 | 121,591 | 144,861 | 168,972 | 168,538 | → |
| Fort Lupton | City | Weld | 5,762 | 7,306 | 7,405 | 7,962 | 8,260 | → |
| Fort Morgan | City | Morgan | 9,161 | 11,081 | 11,372 | 11,599 | 11,439 | → |
| Fountain | City | El Paso | 12,244 | 15,850 | 25,899 | 29,848 | 29,677 | → |
| Fowler | Town | Otero | 1,169 | 1,228 | 1,189 | 1,252 | 1,246 | → |
| Foxfield | Town | Arapahoe | 567 | 718 | 714 | 756 | 751 | → |
| Fraser | Town | Grand | 577 | 987 | 1,223 | 1,398 | 1,420 | → |
| Frederick | Town | Weld | 1,762 | 3,224 | 8,662 | 14,507 | 15,761 | → |
| Frisco | Town | Summit | 1,612 | 2,547 | 2,692 | 2,950 | 2,903 | → |
| Fruita | City | Mesa | 4,419 | 6,728 | 12,724 | 13,364 | 13,508 | → |
| Garden City | Town | Weld | 188 | 351 | 250 | 252 | 254 | → |
| Genoa | Town | Lincoln | 167 | 211 | 139 | 155 | 156 | → |
| Georgetown | Town | Clear Creek | 855 | 1,114 | 1,034 | 1,110 | 1,202 | → |
| Gilcrest | Town | Weld | 1,043 | 1,154 | 1,034 | 1,025 | 1,017 | → |
| Glendale | City | Arapahoe | 2,959 | 4,612 | 4,318 | 4,616 | 4,552 | → |
| Glenwood Springs | City | Garfield | 6,573 | 7,976 | 9,557 | 9,955 | 10,326 | → |
| Golden | City | Jefferson | 13,002 | 17,147 | 18,890 | 20,133 | 19,871 | → |
| Granada | Town | Prowers | 514 | 647 | 517 | 450 | 450 | → |
| Granby | Town | Grand | 1,167 | 1,607 | 1,856 | 2,085 | 2,132 | → |
| Grand Junction | City | Mesa | 41,543 | 48,494 | 59,034 | 65,733 | 66,964 | → |
| Grand Lake | Town | Grand | 260 | 446 | 469 | 409 | 410 | → |
| Greeley | City | Weld | 60,759 | 78,068 | 92,953 | 108,935 | 109,323 | → |
| Green Mountain Falls | Town | El Paso / Teller | 712 | 720 | 647 | 649 | 641 | → |
| Greenwood Village | City | Arapahoe | 8,435 | 11,297 | 13,919 | 15,679 | 15,495 | → |
| Grover | Town | Weld | 135 | 154 | 139 | 155 | 154 | → |
| Gunnison | City | Gunnison | 4,635 | 5,446 | 5,842 | 6,463 | 6,695 | → |
| Gypsum | Town | Eagle | 1,803 | 3,835 | 6,501 | 8,050 | 8,529 | → |
| Hartman | Town | Prowers | 84 | 104 | 76 | 55 | 55 | → |
| Haswell | Town | Kiowa | 62 | 84 | 68 | 72 | 72 | → |
| Haxtun | Town | Phillips | 959 | 990 | 946 | 982 | 975 | → |
| Hayden | Town | Routt | 1,452 | 1,664 | 1,814 | 1,941 | 1,967 | → |
| Hillrose | Town | Morgan | 116 | 270 | 256 | 313 | 308 | → |
| Holly | Town | Prowers | 895 | 1,047 | 794 | 838 | 840 | → |
| Holyoke | City | Phillips | 1,973 | 2,268 | 2,317 | 2,342 | 2,332 | → |
| Hooper | Town | Alamosa | 112 | 123 | 103 | 79 | 79 | → |
| Hot Sulphur Springs | Town | Grand | 354 | 518 | 679 | 681 | 682 | → |
| Hotchkiss | Town | Delta | 734 | 986 | 918 | 888 | 906 | → |
| Hudson | Town | Weld | 966 | 1,704 | 2,361 | 1,645 | 1,635 | → |
| Hugo | Town | Lincoln | 675 | 864 | 730 | 780 | 786 | → |
| Idaho Springs | City | Clear Creek | 1,887 | 1,978 | 1,722 | 1,779 | 1,781 | → |
| Ignacio | Town | La Plata | 670 | 709 | 858 | 851 | 857 | → |
| Iliff | Town | Logan | 174 | 213 | 266 | 244 | 245 | → |
| Jamestown | Town | Boulder | 173 | 209 | 274 | 260 | 254 | → |
| Johnstown | Town | Weld / Larimer | 1,929 | 4,641 | 9,862 | 17,324 | 18,204 | → |
| Julesburg | Town | Sedgwick | 1,297 | 1,473 | 1,225 | 1,303 | 1,266 | → |
| Keenesburg | Town | Weld | 622 | 893 | 1,128 | 1,253 | 1,726 | → |
| Kersey | Town | Weld | 1,005 | 1,500 | 1,479 | 1,495 | 1,494 | → |
| Kim | Town | Las Animas | 76 | 79 | 74 | 62 | 63 | → |
| Kiowa | Town | Elbert | 288 | 627 | 719 | 725 | 732 | → |
| Kit Carson | Town | Cheyenne | 317 | 265 | 233 | 258 | 250 | → |
| Kremmling | Town | Grand | 1,166 | 1,467 | 1,444 | 1,510 | 1,506 | → |
| La Jara | Town | Conejos | 774 | 869 | 842 | 733 | 743 | → |
| La Junta | City | Otero | 7,720 | 7,595 | 7,078 | 7,342 | 7,298 | → |
| La Salle | Town | Weld | 1,766 | 1,865 | 1,959 | 2,360 | 2,342 | → |
| La Veta | Town | Huerfano | 727 | 924 | 800 | 856 | 863 | → |
| Lafayette | City | Boulder | 15,052 | 23,145 | 24,482 | 30,792 | 31,002 | → |
| Lake City | Town | Hinsdale | 227 | 380 | 410 | 434 | 430 | → |
| Lakeside | Town | Jefferson | 11 | 20 | 8 | 17 | 17 | → |
| Lakewood | City | Jefferson | 125,968 | 143,945 | 142,592 | 155,944 | 156,605 | → |
| Lamar | City | Prowers | 8,370 | 8,907 | 7,943 | 7,664 | 7,656 | → |
| Larkspur | Town | Douglas | 246 | 260 | 183 | 205 | 210 | → |
| Las Animas | City | Bent | 2,532 | 2,797 | 2,406 | 2,319 | 2,373 | → |
| Leadville | City | Lake | 2,686 | 2,830 | 2,570 | 2,632 | 2,613 | → |
| Limon | Town | Lincoln | 1,833 | 2,068 | 1,882 | 2,038 | 2,041 | → |
| Littleton | City | Arapahoe / Jefferson / Douglas | 33,746 | 40,178 | 41,624 | 45,644 | 45,191 | → |
| Lochbuie | Town | Weld / Adams | 1,191 | 2,115 | 4,727 | 8,081 | 8,135 | → |
| Log Lane Village | Town | Morgan | 390 | 823 | 817 | 907 | 896 | → |
| Lone Tree | City | Douglas | 1,604 | 6,880 | 10,235 | 14,182 | 14,206 | → |
| Longmont | City | Boulder / Weld | 52,203 | 71,564 | 86,330 | 100,119 | 100,758 | → |
| Louisville | City | Boulder | 12,618 | 18,928 | 18,409 | 21,422 | 20,975 | → |
| Loveland | City | Larimer | 37,778 | 51,368 | 67,005 | 76,677 | 77,194 | → |
| Lyons | Town | Boulder | 1,244 | 1,670 | 2,119 | 2,248 | 2,208 | → |
| Manassa | Town | Conejos | 1,001 | 1,039 | 991 | 951 | 969 | → |
| Mancos | Town | Montezuma | 838 | 1,207 | 1,339 | 1,201 | 1,221 | → |
| Manitou Springs | City | El Paso | 4,470 | 4,985 | 4,965 | 4,873 | 4,832 | → |
| Manzanola | Town | Otero | 437 | 515 | 431 | 342 | 340 | → |
| Marble | Town | Gunnison | 60 | 111 | 120 | 130 | 134 | → |
| Mead | Town | Weld | 667 | 2,053 | 3,450 | 4,782 | 5,336 | → |
| Meeker | Town | Rio Blanco | 2,092 | 2,277 | 2,472 | 2,368 | 2,336 | → |
| Merino | Town | Logan | 258 | 251 | 286 | 278 | 279 | → |
| Milliken | Town | Weld | 1,622 | 3,015 | 5,614 | 8,382 | 8,696 | → |
| Minturn | Town | Eagle | 982 | 777 | 1,083 | 1,033 | 1,004 | → |
| Moffat | Town | Saguache | 97 | 113 | 116 | 106 | 106 | → |
| Monte Vista | City | Rio Grande | 4,387 | 4,687 | 4,439 | 4,246 | 4,194 | → |
| Montezuma | Town | Summit | 45 | 44 | 69 | 76 | 74 | → |
| Montrose | City | Montrose | 10,168 | 13,972 | 19,097 | 20,292 | 20,648 | → |
| Monument | Town | El Paso | 1,277 | 2,409 | 6,035 | 10,415 | 10,859 | → |
| Morrison | Town | Jefferson | 447 | 440 | 418 | 386 | 381 | → |
| Mount Crested Butte | Town | Gunnison | 336 | 714 | 816 | 950 | 973 | → |
| Mountain View | Town | Jefferson | 550 | 569 | 507 | 542 | 536 | → |
| Mountain Village | Town | San Miguel | 45 | 972 | 1,317 | 1,264 | 1,265 | → |
| Naturita | Town | Montrose | 435 | 642 | 537 | 485 | 481 | → |
| Nederland | Town | Boulder | 1,098 | 1,290 | 1,445 | 1,491 | 1,523 | → |
| New Castle | Town | Garfield | 713 | 1,994 | 4,517 | 4,938 | 4,892 | → |
| Northglenn | City | Adams / Weld | 27,259 | 31,609 | 35,690 | 38,143 | 37,333 | → |
| Norwood | Town | San Miguel | 441 | 446 | 518 | 533 | 533 | → |
| Nucla | Town | Montrose | 586 | 650 | 712 | 594 | 592 | → |
| Nunn | Town | Weld | 327 | 480 | 417 | 502 | 515 | → |
| Oak Creek | Town | Routt | 673 | 825 | 899 | 892 | 870 | → |
| Olathe | Town | Montrose | 1,274 | 1,617 | 1,868 | 1,890 | 1,874 | → |
| Olney Springs | Town | Crowley | 340 | 381 | 345 | 331 | 337 | → |
| Ophir | Town | San Miguel | 69 | 125 | 163 | 197 | 195 | → |
| Orchard City | Town | Delta | 2,219 | 2,867 | 3,133 | 3,144 | 3,199 | → |
| Ordway | Town | Crowley | 1,027 | 1,257 | 1,080 | 1,121 | 1,157 | → |
| Otis | Town | Washington | 454 | 545 | 472 | 514 | 521 | → |
| Ouray | City | Ouray | 644 | 815 | 1,002 | 898 | 923 | → |
| Ovid | Town | Sedgwick | 344 | 330 | 318 | 272 | 264 | → |
| Pagosa Springs | Town | Archuleta | 1,406 | 1,592 | 1,734 | 1,561 | 1,631 | → |
| Palisade | Town | Mesa | 2,000 | 2,537 | 2,663 | 2,564 | 2,584 | → |
| Palmer Lake | Town | El Paso | 1,486 | 2,168 | 2,523 | 2,651 | 2,654 | → |
| Paoli | Town | Phillips | 29 | 42 | 34 | 48 | 48 | → |
| Paonia | Town | Delta | 1,380 | 1,533 | 1,462 | 1,440 | 1,462 | → |
| Parachute | Town | Garfield | 666 | 1,014 | 1,080 | 1,394 | 1,381 | → |
| Parker | Town | Douglas | 5,688 | 23,384 | 45,352 | 58,477 | 60,313 | → |
| Peetz | Town | Logan | 159 | 228 | 241 | 210 | 210 | → |
| Pierce | Town | Weld | 828 | 899 | 830 | 1,098 | 1,097 | → |
| Pitkin | Town | Gunnison | 53 | 115 | 64 | 77 | 76 | → |
| Platteville | Town | Weld | 1,567 | 2,480 | 2,489 | 2,957 | 2,937 | → |
| Poncha Springs | Town | Chaffee | 264 | 503 | 726 | 935 | 1,091 | → |
| Pritchett | Town | Baca | 153 | 138 | 140 | 114 | 114 | → |
| Pueblo | City | Pueblo | 98,723 | 101,796 | 106,539 | 111,925 | 112,368 | → |
| Ramah | Town | El Paso | 94 | 121 | 123 | 111 | 109 | → |
| Rangely | Town | Rio Blanco | 2,353 | 2,092 | 2,368 | 2,314 | 2,296 | → |
| Raymer (New Raymer) | Town | Weld | 98 | 91 | 98 | 108 | 109 | → |
| Red Cliff | Town | Eagle | 289 | 294 | 272 | 258 | 256 | → |
| Rico | Town | Dolores | 92 | 205 | 265 | 329 | 347 | → |
| Ridgway | Town | Ouray | 460 | 714 | 889 | 1,178 | 1,207 | → |
| Rifle | City | Garfield | 5,155 | 7,014 | 9,394 | 10,436 | 10,518 | → |
| Rockvale | Town | Fremont | 318 | 390 | 491 | 510 | 524 | → |
| Rocky Ford | City | Otero | 4,202 | 4,311 | 3,960 | 3,877 | 3,854 | → |
| Romeo | Town | Conejos | 341 | 375 | 404 | 304 | 310 | → |
| Rye | Town | Pueblo | 168 | 200 | 156 | 207 | 206 | → |
| Saguache | Town | Saguache | 599 | 588 | 496 | 532 | 531 | → |
| Salida | City | Chaffee | 4,833 | 5,530 | 5,257 | 5,686 | 5,812 | → |
| San Luis | Town | Costilla | 817 | 737 | 629 | 591 | 613 | → |
| Sanford | Town | Conejos | 756 | 815 | 879 | 886 | 905 | → |
| Sawpit | Town | San Miguel | 36 | 27 | 34 | 37 | 37 | → |
| Sedgwick | Town | Sedgwick | 175 | 191 | 146 | 174 | 169 | → |
| Seibert | Town | Kit Carson | 182 | 178 | 181 | 174 | 174 | → |
| Severance | Town | Weld | 192 | 719 | 3,189 | 7,677 | 9,605 | → |
| Sheridan | City | Arapahoe | 4,979 | 5,760 | 5,623 | 6,109 | 6,035 | → |
| Sheridan Lake | Town | Kiowa | 95 | 56 | 83 | 55 | 56 | → |
| Silt | Town | Garfield | 1,181 | 1,712 | 2,933 | 3,553 | 3,569 | → |
| Silver Cliff | Town | Custer | 328 | 537 | 581 | 604 | 645 | → |
| Silver Plume | Town | Clear Creek | 157 | 203 | 170 | 206 | 204 | → |
| Silverthorne | Town | Summit | 1,846 | 3,170 | 3,900 | 4,446 | 4,677 | → |
| Silverton | Town | San Juan | 716 | 529 | 637 | 626 | 651 | → |
| Simla | Town | Elbert | 496 | 658 | 613 | 590 | 598 | → |
| Snowmass Village | Town | Pitkin | 1,420 | 1,820 | 2,816 | 3,098 | 3,093 | → |
| South Fork | Town | Rio Grande | 287 | 616 | 455 | 506 | 500 | → |
| Springfield | Town | Baca | 1,497 | 1,567 | 1,447 | 1,334 | 1,336 | → |
| Starkville | Town | Las Animas | 104 | 127 | 59 | 65 | 66 | → |
| Steamboat Springs | City | Routt | 6,699 | 10,090 | 12,129 | 13,184 | 13,390 | → |
| Sterling | City | Logan | 10,453 | 11,306 | 14,799 | 13,790 | 13,739 | → |
| Stratton | Town | Kit Carson | 654 | 679 | 659 | 656 | 641 | → |
| Sugar City | Town | Crowley | 252 | 279 | 258 | 272 | 276 | → |
| Superior | Town | Boulder / Jefferson | 294 | 9,061 | 12,481 | 13,297 | 13,271 | → |
| Swink | Town | Otero | 583 | 703 | 617 | 599 | 602 | → |
| Telluride | Town | San Miguel | 1,320 | 2,369 | 2,229 | 2,607 | 2,595 | → |
| Thornton | City | Adams | 55,307 | 82,506 | 118,859 | 141,935 | 142,610 | → |
| Timnath | Town | Larimer / Weld | 378 | 304 | 650 | 6,522 | 7,839 | → |
| Trinidad | City | Las Animas | 8,641 | 9,187 | 9,064 | 8,316 | 8,335 | → |
| Two Buttes | Town | Baca | 63 | 67 | 43 | 34 | 34 | → |
| Vail | Town | Eagle | 3,733 | 4,690 | 5,325 | 4,840 | 4,735 | → |
| Victor | City | Teller | 243 | 442 | 412 | 380 | 378 | → |
| Vilas | Town | Baca | 105 | 107 | 114 | 97 | 97 | → |
| Vona | Town | Kit Carson | 103 | 95 | 106 | 91 | 89 | → |
| Walden | Town | Jackson | 896 | 733 | 608 | 606 | 597 | → |
| Walsenburg | City | Huerfano | 3,310 | 4,234 | 3,064 | 3,048 | 3,065 | → |
| Walsh | Town | Baca | 692 | 722 | 546 | 541 | 543 | → |
| Ward | Town | Boulder | 150 | 174 | 150 | 131 | 130 | → |
| Wellington | Town | Larimer | 1,360 | 2,709 | 6,389 | 11,115 | 11,722 | → |
| Westcliffe | Town | Custer | 306 | 419 | 571 | 516 | 546 | → |
| Westminster | City | Jefferson / Adams | 74,166 | 100,674 | 106,142 | 116,375 | 114,561 | → |
| Wheat Ridge | City | Jefferson | 29,387 | 32,765 | 30,179 | 32,380 | 32,722 | → |
| Wiggins | Town | Morgan | 516 | 851 | 886 | 1,399 | 1,549 | → |
| Wiley | Town | Prowers | 395 | 456 | 405 | 444 | 445 | → |
| Williamsburg | Town | Fremont | 265 | 732 | 659 | 728 | 746 | → |
| Windsor | Town | Weld / Larimer | 5,571 | 10,211 | 18,650 | 32,758 | 35,788 | → |
| Winter Park | Town | Grand | 539 | 611 | 1,019 | 1,027 | 1,031 | → |
| Woodland Park | City | Teller | 4,841 | 7,364 | 7,145 | 7,938 | 7,983 | → |
| Wray | City | Yuma | 2,001 | 2,213 | 2,364 | 2,321 | 2,308 | → |
| Yampa | Town | Routt | 322 | 454 | 430 | 403 | 407 | → |
| Yuma | City | Yuma | 2,728 | 3,290 | 3,518 | 3,466 | 3,455 | → |
Source: U.S. Census Bureau (web).
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.