USA: Colorado
Counties
The population of all counties in the State of Colorado according to census results and latest official estimates.
| Name | Status | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Estimate 2019-07-01 | |
|---|---|---|---|---|---|
| Adams | County | 348,076 | 441,697 | 517,421 | → |
| Alamosa | County | 14,965 | 15,440 | 16,233 | → |
| Arapahoe | County | 488,829 | 572,118 | 656,590 | → |
| Archuleta | County | 9,894 | 12,084 | 14,029 | → |
| Baca | County | 4,517 | 3,787 | 3,581 | → |
| Bent | County | 5,996 | 6,499 | 5,577 | → |
| Boulder | County | 269,784 | 294,560 | 326,196 | → |
| Broomfield (← Adams, Boulder, Jefferson & Weld) | County | 39,202 | 55,861 | 70,465 | → |
| Chaffee | County | 16,250 | 17,809 | 20,356 | → |
| Cheyenne | County | 2,229 | 1,833 | 1,831 | → |
| Clear Creek | County | 9,263 | 9,073 | 9,700 | → |
| Conejos | County | 8,400 | 8,256 | 8,205 | → |
| Costilla | County | 3,661 | 3,524 | 3,887 | → |
| Crowley | County | 5,514 | 5,823 | 6,061 | → |
| Custer | County | 3,508 | 4,251 | 5,068 | → |
| Delta | County | 27,824 | 30,953 | 31,162 | → |
| Denver | County | 553,805 | 599,825 | 727,211 | → |
| Dolores | County | 1,844 | 2,064 | 2,055 | → |
| Douglas | County | 175,732 | 285,465 | 351,154 | → |
| Eagle | County | 41,623 | 52,201 | 55,127 | → |
| El Paso | County | 516,934 | 622,253 | 720,403 | → |
| Elbert | County | 19,855 | 23,088 | 26,729 | → |
| Fremont | County | 46,140 | 46,828 | 47,839 | → |
| Garfield | County | 43,786 | 56,373 | 60,061 | → |
| Gilpin | County | 4,746 | 5,449 | 6,243 | → |
| Grand | County | 12,433 | 14,843 | 15,734 | → |
| Gunnison | County | 14,000 | 15,324 | 17,462 | → |
| Hinsdale | County | 792 | 843 | 820 | → |
| Huerfano | County | 7,859 | 6,711 | 6,897 | → |
| Jackson | County | 1,577 | 1,393 | 1,392 | → |
| Jefferson | County | 525,449 | 534,829 | 582,881 | → |
| Kiowa | County | 1,622 | 1,398 | 1,406 | → |
| Kit Carson | County | 8,013 | 8,270 | 7,097 | → |
| La Plata | County | 43,957 | 51,335 | 56,221 | → |
| Lake | County | 7,814 | 7,310 | 8,127 | → |
| Larimer | County | 251,489 | 299,630 | 356,899 | → |
| Las Animas | County | 15,212 | 15,507 | 14,506 | → |
| Lincoln | County | 6,089 | 5,469 | 5,701 | → |
| Logan | County | 20,566 | 22,709 | 22,409 | → |
| Mesa | County | 116,939 | 146,733 | 154,210 | → |
| Mineral | County | 831 | 712 | 769 | → |
| Moffat | County | 13,178 | 13,791 | 13,283 | → |
| Montezuma | County | 23,822 | 25,541 | 26,183 | → |
| Montrose | County | 33,438 | 41,276 | 42,758 | → |
| Morgan | County | 27,172 | 28,159 | 29,068 | → |
| Otero | County | 20,311 | 18,833 | 18,278 | → |
| Ouray | County | 3,747 | 4,442 | 4,952 | → |
| Park | County | 14,519 | 16,203 | 18,845 | → |
| Phillips | County | 4,485 | 4,442 | 4,265 | → |
| Pitkin | County | 14,889 | 17,144 | 17,767 | → |
| Prowers | County | 14,483 | 12,551 | 12,172 | → |
| Pueblo | County | 141,490 | 159,063 | 168,424 | → |
| Rio Blanco | County | 5,992 | 6,673 | 6,324 | → |
| Rio Grande | County | 12,425 | 11,982 | 11,267 | → |
| Routt | County | 19,679 | 23,506 | 25,638 | → |
| Saguache | County | 5,904 | 6,108 | 6,824 | → |
| San Juan | County | 558 | 699 | 728 | → |
| San Miguel | County | 6,593 | 7,359 | 8,179 | → |
| Sedgwick | County | 2,747 | 2,382 | 2,248 | → |
| Summit | County | 23,560 | 27,994 | 31,011 | → |
| Teller | County | 20,541 | 23,359 | 25,388 | → |
| Washington | County | 4,922 | 4,812 | 4,908 | → |
| Weld | County | 180,766 | 252,827 | 324,492 | → |
| Yuma | County | 9,846 | 10,043 | 10,019 | → |
| Colorado | State | 4,302,086 | 5,029,319 | 5,758,736 |
Contents: Incorporated Places
The population of all incorporated places in the State of Colorado according to census results and latest official estimates.
| Name | Status | County | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Estimate 2019-07-01 | |
|---|---|---|---|---|---|---|
| Aguilar | Town | Las Animas | 600 | 537 | 480 | → |
| Akron | Town | Washington | 1,736 | 1,702 | 1,723 | → |
| Alamosa | City | Alamosa | 8,456 | 8,876 | 9,591 | → |
| Alma | Town | Park | 205 | 274 | 313 | → |
| Antonito | Town | Conejos | 910 | 781 | 747 | → |
| Arriba | Town | Lincoln | 244 | 193 | 207 | → |
| Arvada | City | Jefferson / Adams | 102,383 | 106,760 | 121,272 | → |
| Aspen | City | Pitkin | 6,054 | 6,748 | 7,401 | → |
| Ault | Town | Weld | 1,451 | 1,527 | 1,871 | → |
| Aurora | City | Douglas / Adams / Arapahoe | 275,687 | 324,659 | 379,289 | → |
| Avon | Town | Eagle | 5,516 | 6,396 | 6,511 | → |
| Basalt | Town | Pitkin / Eagle | 2,884 | 3,840 | 4,157 | → |
| Bayfield | Town | La Plata | 1,596 | 2,317 | 2,689 | → |
| Bennett | Town | Adams / Arapahoe | 2,057 | 2,300 | 2,798 | → |
| Berthoud | Town | Weld / Larimer | 4,944 | 5,193 | 9,094 | → |
| Bethune | Town | Kit Carson | 221 | 237 | 235 | → |
| Black Hawk | City | Gilpin | 137 | 118 | 128 | → |
| Blanca | Town | Costilla | 394 | 385 | 406 | → |
| Blue River | Town | Summit | 703 | 848 | 921 | → |
| Bonanza | Town | Saguache | 10 | 16 | 19 | → |
| Boone | Town | Pueblo | 391 | 346 | 367 | → |
| Boulder | City | Boulder | 94,213 | 97,612 | 105,673 | → |
| Bow Mar | Town | Jefferson / Arapahoe | 847 | 844 | 942 | → |
| Branson | Town | Las Animas | 77 | 74 | 72 | → |
| Breckenridge | Town | Summit | 2,855 | 4,537 | 4,945 | → |
| Brighton | City | Weld / Adams | 21,044 | 33,540 | 41,554 | → |
| Brookside | Town | Fremont | 217 | 233 | 262 | → |
| Broomfield | City | Broomfield | 39,202 | 55,861 | 70,465 | → |
| Brush | City | Morgan | 5,158 | 5,473 | 5,420 | → |
| Buena Vista | Town | Chaffee | 2,225 | 2,560 | 2,866 | → |
| Burlington | City | Kit Carson | 3,738 | 4,254 | 3,140 | → |
| Calhan | Town | El Paso | 891 | 780 | 834 | → |
| Campo | Town | Baca | 147 | 109 | 102 | → |
| Cañon City | City | Fremont | 17,190 | 16,417 | 16,725 | → |
| Carbonate | Town | Garfield | ... | 0 | 0 | → |
| Carbondale | Town | Garfield | 5,242 | 6,447 | 6,898 | → |
| Castle Pines (Castle Pines North) | City | Douglas | ... | 10,333 | 10,763 | → |
| Castle Rock | Town | Douglas | 20,302 | 48,251 | 68,484 | → |
| Cedaredge | Town | Delta | 1,945 | 2,251 | 2,295 | → |
| Centennial | City | Arapahoe | 102,586 | 100,635 | 110,937 | → |
| Center | Town | Rio Grande / Saguache | 2,440 | 2,241 | 2,264 | → |
| Central City | City | Gilpin / Clear Creek | 527 | 660 | 770 | → |
| Cheraw | Town | Otero | 209 | 254 | 249 | → |
| Cherry Hills Village | City | Arapahoe | 5,962 | 5,987 | 6,647 | → |
| Cheyenne Wells | Town | Cheyenne | 1,012 | 846 | 828 | → |
| City of Creede | Town | Mineral | 365 | 290 | 313 | → |
| Coal Creek | Town | Fremont | 289 | 345 | 350 | → |
| Cokedale | Town | Las Animas | 169 | 129 | 120 | → |
| Collbran | Town | Mesa | 495 | 692 | 698 | → |
| Colorado Springs | City | El Paso | 360,329 | 417,447 | 478,221 | → |
| Columbine Valley | Town | Arapahoe | 1,145 | 1,256 | 1,499 | → |
| Commerce City | City | Adams | 20,921 | 45,864 | 60,336 | → |
| Cortez | City | Montezuma | 7,997 | 8,471 | 8,736 | → |
| Craig | City | Moffat | 9,245 | 9,468 | 9,022 | → |
| Crawford | Town | Delta | 368 | 432 | 433 | → |
| Crested Butte | Town | Gunnison | 1,541 | 1,496 | 1,723 | → |
| Crestone | Town | Saguache | 121 | 125 | 140 | → |
| Cripple Creek | City | Teller | 1,178 | 1,226 | 1,258 | → |
| Crook | Town | Logan | 133 | 110 | 109 | → |
| Crowley | Town | Crowley | 187 | 176 | 175 | → |
| Dacono | City | Weld | 3,120 | 4,157 | 6,034 | → |
| De Beque | Town | Mesa | 525 | 506 | 518 | → |
| Deer Trail | Town | Arapahoe | 602 | 547 | 800 | → |
| Del Norte | Town | Rio Grande | 1,909 | 1,680 | 1,568 | → |
| Delta | City | Delta | 7,967 | 8,884 | 8,995 | → |
| Denver | City | Denver | 553,805 | 599,825 | 727,211 | → |
| Dillon | Town | Summit | 825 | 903 | 967 | → |
| Dinosaur | Town | Moffat | 314 | 339 | 332 | → |
| Dolores | Town | Montezuma | 917 | 928 | 955 | → |
| Dove Creek | Town | Dolores | 718 | 724 | 634 | → |
| Durango | City | La Plata | 14,518 | 16,889 | 18,973 | → |
| Eads | Town | Kiowa | 747 | 609 | 602 | → |
| Eagle | Town | Eagle | 3,105 | 6,508 | 6,986 | → |
| Eaton | Town | Weld | 2,783 | 4,375 | 5,738 | → |
| Eckley | Town | Yuma | 288 | 256 | 258 | → |
| Edgewater | City | Jefferson | 5,433 | 5,172 | 5,335 | → |
| Elizabeth | Town | Elbert | 1,485 | 1,361 | 1,566 | → |
| Empire | Town | Clear Creek | 348 | 282 | 304 | → |
| Englewood | City | Arapahoe | 31,943 | 30,258 | 34,917 | → |
| Erie | Town | Weld / Boulder | 6,420 | 18,186 | 27,003 | → |
| Estes Park | Town | Larimer | 5,605 | 5,938 | 6,426 | → |
| Evans | City | Weld | 9,805 | 18,505 | 21,205 | → |
| Fairplay | Town | Park | 598 | 696 | 787 | → |
| Federal Heights | City | Adams | 12,062 | 11,461 | 12,827 | → |
| Firestone | Town | Weld | 2,359 | 10,200 | 16,177 | → |
| Flagler | Town | Kit Carson | 619 | 561 | 549 | → |
| Fleming | Town | Logan | 426 | 405 | 404 | → |
| Florence | City | Fremont | 3,772 | 3,882 | 3,944 | → |
| Fort Collins | City | Larimer | 121,591 | 144,879 | 170,243 | → |
| Fort Lupton | City | Weld | 6,989 | 7,412 | 8,317 | → |
| Fort Morgan | City | Morgan | 11,081 | 11,363 | 11,463 | → |
| Fountain | City | El Paso | 15,235 | 25,905 | 30,735 | → |
| Fowler | Town | Otero | 1,228 | 1,185 | 1,141 | → |
| Foxfield | Town | Arapahoe | 718 | 714 | 782 | → |
| Fraser | Town | Grand | 987 | 1,223 | 1,326 | → |
| Frederick | Town | Weld | 2,722 | 8,665 | 13,960 | → |
| Frisco | Town | Summit | 2,547 | 2,692 | 3,174 | → |
| Fruita | City | Mesa | 6,728 | 12,689 | 13,478 | → |
| Garden City | Town | Weld | 351 | 250 | 267 | → |
| Genoa | Town | Lincoln | 211 | 139 | 148 | → |
| Georgetown | Town | Clear Creek | 1,114 | 1,034 | 1,112 | → |
| Gilcrest | Town | Weld | 1,154 | 1,034 | 1,106 | → |
| Glendale | City | Arapahoe | 4,302 | 4,318 | 5,141 | → |
| Glenwood Springs | City | Garfield | 7,976 | 9,580 | 9,930 | → |
| Golden | City | Jefferson | 17,147 | 18,890 | 20,767 | → |
| Granada | Town | Prowers | 647 | 517 | 503 | → |
| Granby | Town | Grand | 1,752 | 1,854 | 2,139 | → |
| Grand Junction | City | Mesa | 44,219 | 59,034 | 63,597 | → |
| Grand Lake | Town | Grand | 446 | 469 | 506 | → |
| Greeley | City | Weld | 78,068 | 92,950 | 108,649 | → |
| Green Mountain Falls | Town | Teller / El Paso | 779 | 647 | 722 | → |
| Greenwood Village | City | Arapahoe | 11,297 | 13,919 | 15,735 | → |
| Grover | Town | Weld | 154 | 139 | 153 | → |
| Gunnison | City | Gunnison | 5,446 | 5,842 | 6,640 | → |
| Gypsum | Town | Eagle | 3,835 | 6,498 | 7,375 | → |
| Hartman | Town | Prowers | 111 | 76 | 75 | → |
| Haswell | Town | Kiowa | 84 | 68 | 68 | → |
| Haxtun | Town | Phillips | 990 | 946 | 904 | → |
| Hayden | Town | Routt | 1,664 | 1,814 | 1,979 | → |
| Hillrose | Town | Morgan | 256 | 256 | 260 | → |
| Holly | Town | Prowers | 1,047 | 794 | 774 | → |
| Holyoke | City | Phillips | 2,268 | 2,317 | 2,208 | → |
| Hooper | Town | Alamosa | 123 | 103 | 100 | → |
| Hot Sulphur Springs | Town | Grand | 518 | 679 | 733 | → |
| Hotchkiss | Town | Delta | 1,098 | 922 | 928 | → |
| Hudson | Town | Weld | 1,704 | 2,356 | 2,767 | → |
| Hugo | Town | Lincoln | 864 | 730 | 777 | → |
| Idaho Springs | City | Clear Creek | 1,978 | 1,722 | 1,786 | → |
| Ignacio | Town | La Plata | 803 | 858 | 908 | → |
| Iliff | Town | Logan | 213 | 266 | 268 | → |
| Jamestown | Town | Boulder | 269 | 274 | 249 | → |
| Johnstown | Town | Weld / Larimer | 4,430 | 9,860 | 15,198 | → |
| Julesburg | Town | Sedgwick | 1,473 | 1,225 | 1,152 | → |
| Keenesburg | Town | Weld | 893 | 1,124 | 1,237 | → |
| Kersey | Town | Weld | 1,500 | 1,479 | 1,681 | → |
| Kim | Town | Las Animas | 79 | 74 | 70 | → |
| Kiowa | Town | Elbert | 627 | 719 | 761 | → |
| Kit Carson | Town | Cheyenne | 265 | 233 | 231 | → |
| Kremmling | Town | Grand | 1,467 | 1,444 | 1,524 | → |
| La Jara | Town | Conejos | 869 | 842 | 817 | → |
| La Junta | City | Otero | 7,595 | 7,073 | 6,881 | → |
| La Salle | Town | Weld | 1,865 | 1,959 | 2,342 | → |
| La Veta | Town | Huerfano | 924 | 800 | 811 | → |
| Lafayette | City | Boulder | 23,145 | 24,491 | 30,687 | → |
| Lake City | Town | Hinsdale | 380 | 410 | 394 | → |
| Lakeside | Town | Jefferson | 20 | 8 | 8 | → |
| Lakewood | City | Jefferson | 143,945 | 142,600 | 157,935 | → |
| Lamar | City | Prowers | 8,907 | 7,941 | 7,655 | → |
| Larkspur | Town | Douglas | 260 | 183 | 212 | → |
| Las Animas | City | Bent | 2,797 | 2,410 | 2,165 | → |
| Leadville | City | Lake | 2,830 | 2,613 | 2,868 | → |
| Limon | Town | Lincoln | 2,247 | 1,882 | 1,952 | → |
| Littleton | City | Douglas / Jefferson / Arapahoe | 40,178 | 41,632 | 48,065 | → |
| Lochbuie | Town | Weld / Adams | 2,115 | 4,729 | 7,304 | → |
| Log Lane Village | Town | Morgan | 1,059 | 817 | 849 | → |
| Lone Tree | City | Douglas | 6,880 | 10,234 | 13,082 | → |
| Longmont | City | Weld / Boulder | 71,564 | 86,327 | 97,261 | → |
| Louisville | City | Boulder | 18,928 | 18,408 | 20,816 | → |
| Loveland | City | Larimer | 51,368 | 66,992 | 78,877 | → |
| Lyons | Town | Boulder | 1,584 | 2,119 | 2,189 | → |
| Manassa | Town | Conejos | 1,039 | 991 | 1,001 | → |
| Mancos | Town | Montezuma | 1,207 | 1,339 | 1,430 | → |
| Manitou Springs | City | El Paso | 4,985 | 4,961 | 5,390 | → |
| Manzanola | Town | Otero | 515 | 431 | 417 | → |
| Marble | Town | Gunnison | 111 | 119 | 134 | → |
| Mead | Town | Weld | 2,257 | 3,449 | 4,731 | → |
| Meeker | Town | Rio Blanco | 2,277 | 2,472 | 2,252 | → |
| Merino | Town | Logan | 236 | 286 | 281 | → |
| Milliken | Town | Weld | 3,015 | 5,614 | 8,164 | → |
| Minturn | Town | Eagle | 1,065 | 1,086 | 1,145 | → |
| Moffat | Town | Saguache | 113 | 116 | 119 | → |
| Monte Vista | City | Rio Grande | 4,687 | 4,443 | 4,138 | → |
| Montezuma | Town | Summit | 44 | 69 | 74 | → |
| Montrose | City | Montrose | 13,179 | 19,092 | 19,782 | → |
| Monument | Town | El Paso | 1,926 | 6,035 | 8,097 | → |
| Morrison | Town | Jefferson | 440 | 418 | 424 | → |
| Mount Crested Butte | Town | Gunnison | 714 | 816 | 876 | → |
| Mountain View | Town | Jefferson | 569 | 507 | 537 | → |
| Mountain Village | Town | San Miguel | 972 | 1,317 | 1,426 | → |
| Naturita | Town | Montrose | 642 | 537 | 532 | → |
| Nederland | Town | Boulder | 1,377 | 1,445 | 1,533 | → |
| New Castle | Town | Garfield | 1,994 | 4,518 | 5,203 | → |
| Northglenn | City | Weld / Adams | 31,609 | 35,758 | 38,819 | → |
| Norwood | Town | San Miguel | 446 | 518 | 579 | → |
| Nucla | Town | Montrose | 735 | 712 | 714 | → |
| Nunn | Town | Weld | 480 | 416 | 464 | → |
| Oak Creek | Town | Routt | 825 | 899 | 959 | → |
| Olathe | Town | Montrose | 1,617 | 1,870 | 1,837 | → |
| Olney Springs | Town | Crowley | 381 | 345 | 340 | → |
| Ophir | Town | San Miguel | 125 | 163 | 184 | → |
| Orchard City | Town | Delta | 2,867 | 3,133 | 3,212 | → |
| Ordway | Town | Crowley | 1,257 | 1,080 | 1,054 | → |
| Otis | Town | Washington | 545 | 473 | 486 | → |
| Ouray | City | Ouray | 815 | 1,002 | 1,034 | → |
| Ovid | Town | Sedgwick | 330 | 318 | 300 | → |
| Pagosa Springs | Town | Archuleta | 1,592 | 1,753 | 2,085 | → |
| Palisade | Town | Mesa | 2,537 | 2,663 | 2,736 | → |
| Palmer Lake | Town | El Paso | 2,168 | 2,523 | 2,993 | → |
| Paoli | Town | Phillips | 42 | 34 | 34 | → |
| Paonia | Town | Delta | 1,533 | 1,462 | 1,469 | → |
| Parachute | Town | Garfield | 1,014 | 1,077 | 1,116 | → |
| Parker | Town | Douglas | 23,384 | 45,357 | 57,706 | → |
| Peetz | Town | Logan | 228 | 241 | 235 | → |
| Pierce | Town | Weld | 899 | 830 | 1,133 | → |
| Pitkin | Town | Gunnison | 127 | 64 | 69 | → |
| Platteville | Town | Weld | 2,480 | 2,489 | 2,760 | → |
| Poncha Springs | Town | Chaffee | 503 | 726 | 956 | → |
| Pritchett | Town | Baca | 138 | 140 | 131 | → |
| Pueblo | City | Pueblo | 101,796 | 106,542 | 112,361 | → |
| Ramah | Town | El Paso | 121 | 123 | 130 | → |
| Rangely | Town | Rio Blanco | 2,092 | 2,365 | 2,263 | → |
| Raymer (New Raymer) | Town | Weld | 91 | 98 | 112 | → |
| Red Cliff | Town | Eagle | 294 | 272 | 282 | → |
| Rico | Town | Dolores | 205 | 265 | 231 | → |
| Ridgway | Town | Ouray | 755 | 889 | 1,039 | → |
| Rifle | City | Garfield | 7,014 | 9,398 | 9,706 | → |
| Rockvale | Town | Fremont | 390 | 495 | 519 | → |
| Rocky Ford | City | Otero | 4,311 | 3,963 | 3,815 | → |
| Romeo | Town | Conejos | 375 | 404 | 411 | → |
| Rye | Town | Pueblo | 200 | 156 | 165 | → |
| Saguache | Town | Saguache | 588 | 496 | 505 | → |
| Salida | City | Chaffee | 5,530 | 5,246 | 6,082 | → |
| San Luis | Town | Costilla | 737 | 629 | 658 | → |
| Sanford | Town | Conejos | 815 | 879 | 887 | → |
| Sawpit | Town | San Miguel | 27 | 34 | 39 | → |
| Sedgwick | Town | Sedgwick | 191 | 146 | 137 | → |
| Seibert | Town | Kit Carson | 178 | 181 | 213 | → |
| Severance | Town | Weld | 856 | 3,179 | 6,494 | → |
| Sheridan | City | Arapahoe | 5,760 | 5,623 | 6,183 | → |
| Sheridan Lake | Town | Kiowa | 56 | 83 | 83 | → |
| Silt | Town | Garfield | 1,712 | 2,936 | 3,190 | → |
| Silver Cliff | Town | Custer | 537 | 581 | 667 | → |
| Silver Plume | Town | Clear Creek | 203 | 170 | 177 | → |
| Silverthorne | Town | Summit | 3,170 | 3,907 | 4,898 | → |
| Silverton | Town | San Juan | 529 | 637 | 663 | → |
| Simla | Town | Elbert | 658 | 613 | 640 | → |
| Snowmass Village | Town | Pitkin | 1,820 | 2,816 | 2,732 | → |
| South Fork | Town | Rio Grande | 532 | 455 | 425 | → |
| Springfield | Town | Baca | 1,567 | 1,451 | 1,375 | → |
| Starkville | Town | Las Animas | 127 | 59 | 54 | → |
| Steamboat Springs | City | Routt | 10,090 | 12,134 | 13,214 | → |
| Sterling | City | Logan | 12,768 | 14,799 | 14,495 | → |
| Stratton | Town | Kit Carson | 679 | 661 | 639 | → |
| Sugar City | Town | Crowley | 279 | 258 | 253 | → |
| Superior | Town | Boulder / Jefferson | 9,061 | 12,481 | 13,087 | → |
| Swink | Town | Otero | 703 | 617 | 592 | → |
| Telluride | Town | San Miguel | ... | 2,229 | 2,479 | → |
| Thornton | City | Adams | 82,506 | 118,787 | 141,464 | → |
| Timnath | Town | Larimer | 304 | 643 | 4,998 | → |
| Trinidad | City | Las Animas | 9,187 | 9,088 | 8,200 | → |
| Two Buttes | Town | Baca | 67 | 43 | 40 | → |
| Vail | Town | Eagle | 4,690 | 5,307 | 5,434 | → |
| Victor | City | Teller | 442 | 413 | 426 | → |
| Vilas | Town | Baca | 107 | 114 | 107 | → |
| Vona | Town | Kit Carson | 95 | 106 | 104 | → |
| Walden | Town | Jackson | 733 | 608 | 599 | → |
| Walsenburg | City | Huerfano | 4,234 | 3,063 | 3,029 | → |
| Walsh | Town | Baca | 722 | 546 | 516 | → |
| Ward | Town | Boulder | 174 | 150 | 161 | → |
| Wellington | Town | Larimer | 2,709 | 6,389 | 10,437 | → |
| Westcliffe | Town | Custer | 419 | 571 | 628 | → |
| Westminster | City | Jefferson / Adams | 100,674 | 106,135 | 113,166 | → |
| Wheat Ridge | City | Jefferson | 32,765 | 30,176 | 31,324 | → |
| Wiggins | Town | Morgan | 851 | 886 | 1,163 | → |
| Wiley | Town | Prowers | 486 | 405 | 393 | → |
| Williamsburg | Town | Fremont | 732 | 662 | 713 | → |
| Windsor | Town | Weld / Larimer | 10,211 | 18,649 | 30,477 | → |
| Winter Park | Town | Grand | 680 | 1,019 | 1,090 | → |
| Woodland Park | City | Teller | 6,709 | 7,138 | 7,885 | → |
| Wray | City | Yuma | 2,213 | 2,381 | 2,349 | → |
| Yampa | Town | Routt | 454 | 430 | 464 | → |
| Yuma | City | Yuma | 3,290 | 3,518 | 3,479 | → |
Source: U.S. Census Bureau (web).
Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2019.