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 2018-07-01 | |
|---|---|---|---|---|---|
| Adams | County | 348,076 | 441,687 | 511,868 | → |
| Alamosa | County | 14,965 | 15,445 | 16,683 | → |
| Arapahoe | County | 488,829 | 572,155 | 651,215 | → |
| Archuleta | County | 9,894 | 12,084 | 13,765 | → |
| Baca | County | 4,517 | 3,788 | 3,585 | → |
| Bent | County | 5,996 | 6,499 | 5,882 | → |
| Boulder | County | 269,784 | 294,571 | 326,078 | → |
| Broomfield (← Adams, Boulder, Jefferson & Weld) | County | 39,202 | 55,866 | 69,267 | → |
| Chaffee | County | 16,250 | 17,809 | 20,027 | → |
| Cheyenne | County | 2,229 | 1,836 | 1,876 | → |
| Clear Creek | County | 9,263 | 9,075 | 9,605 | → |
| Conejos | County | 8,400 | 8,256 | 8,200 | → |
| Costilla | County | 3,661 | 3,524 | 3,828 | → |
| Crowley | County | 5,514 | 5,823 | 5,858 | → |
| Custer | County | 3,508 | 4,255 | 4,954 | → |
| Delta | County | 27,824 | 30,952 | 30,953 | → |
| Denver | County | 553,805 | 599,864 | 716,492 | → |
| Dolores | County | 1,844 | 2,064 | 2,074 | → |
| Douglas | County | 175,732 | 285,465 | 342,776 | → |
| Eagle | County | 41,623 | 52,197 | 54,993 | → |
| El Paso | County | 516,934 | 622,261 | 713,856 | → |
| Elbert | County | 19,855 | 23,086 | 26,282 | → |
| Fremont | County | 46,140 | 46,824 | 48,021 | → |
| Garfield | County | 43,786 | 56,389 | 59,770 | → |
| Gilpin | County | 4,746 | 5,441 | 6,121 | → |
| Grand | County | 12,433 | 14,843 | 15,525 | → |
| Gunnison | County | 14,000 | 15,324 | 17,246 | → |
| Hinsdale | County | 792 | 843 | 811 | → |
| Huerfano | County | 7,859 | 6,711 | 6,889 | → |
| Jackson | County | 1,577 | 1,394 | 1,399 | → |
| Jefferson | County | 525,449 | 534,760 | 580,233 | → |
| Kiowa | County | 1,622 | 1,398 | 1,383 | → |
| Kit Carson | County | 8,013 | 8,270 | 7,163 | → |
| La Plata | County | 43,957 | 51,335 | 56,310 | → |
| Lake | County | 7,814 | 7,310 | 7,824 | → |
| Larimer | County | 251,489 | 299,629 | 350,518 | → |
| Las Animas | County | 15,212 | 15,507 | 14,503 | → |
| Lincoln | County | 6,089 | 5,469 | 5,610 | → |
| Logan | County | 20,566 | 22,709 | 21,528 | → |
| Mesa | County | 116,939 | 146,717 | 153,207 | → |
| Mineral | County | 831 | 712 | 776 | → |
| Moffat | County | 13,178 | 13,795 | 13,188 | → |
| Montezuma | County | 23,822 | 25,541 | 26,158 | → |
| Montrose | County | 33,438 | 41,278 | 42,214 | → |
| Morgan | County | 27,172 | 28,159 | 28,558 | → |
| Otero | County | 20,311 | 18,831 | 18,432 | → |
| Ouray | County | 3,747 | 4,434 | 4,833 | → |
| Park | County | 14,519 | 16,201 | 18,556 | → |
| Phillips | County | 4,485 | 4,442 | 4,286 | → |
| Pitkin | County | 14,889 | 17,148 | 17,950 | → |
| Prowers | County | 14,483 | 12,551 | 12,164 | → |
| Pueblo | County | 141,490 | 159,063 | 167,529 | → |
| Rio Blanco | County | 5,992 | 6,669 | 6,336 | → |
| Rio Grande | County | 12,425 | 11,982 | 11,250 | → |
| Routt | County | 19,679 | 23,506 | 25,733 | → |
| Saguache | County | 5,904 | 6,108 | 6,843 | → |
| San Juan | County | 558 | 699 | 762 | → |
| San Miguel | County | 6,593 | 7,359 | 8,191 | → |
| Sedgwick | County | 2,747 | 2,379 | 2,303 | → |
| Summit | County | 23,560 | 27,994 | 31,007 | → |
| Teller | County | 20,541 | 23,350 | 25,083 | → |
| Washington | County | 4,922 | 4,814 | 4,909 | → |
| Weld | County | 180,766 | 252,831 | 314,305 | → |
| Yuma | County | 9,846 | 10,043 | 10,020 | → |
| Colorado | State | 4,302,086 | 5,029,324 | 5,695,564 |
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 2018-07-01 | |
|---|---|---|---|---|---|---|
| Aguilar | Town | Las Animas | 600 | 538 | 484 | → |
| Akron | Town | Washington | 1,736 | 1,702 | 1,723 | → |
| Alamosa | City | Alamosa | 8,456 | 8,855 | 9,997 | → |
| Alma | Town | Park | 205 | 274 | 312 | → |
| Antonito | Town | Conejos | 910 | 781 | 753 | → |
| Arriba | Town | Lincoln | 244 | 193 | 202 | → |
| Arvada | City | Jefferson / Adams | 102,383 | 106,722 | 120,492 | → |
| Aspen | City | Pitkin | 6,054 | 6,646 | 7,365 | → |
| Ault | Town | Weld | 1,451 | 1,532 | 1,843 | → |
| Aurora | City | Douglas / Adams / Arapahoe | 275,687 | 324,675 | 374,114 | → |
| Avon | Town | Eagle | 5,516 | 6,391 | 6,482 | → |
| Basalt | Town | Pitkin / Eagle | 2,884 | 3,851 | 4,166 | → |
| Bayfield | Town | La Plata | 1,596 | 2,324 | 2,705 | → |
| Bennett | Town | Adams / Arapahoe | 2,057 | 2,302 | 2,512 | → |
| Berthoud | Town | Weld / Larimer | 4,944 | 5,183 | 7,946 | → |
| Bethune | Town | Kit Carson | 221 | 237 | 237 | → |
| Black Hawk | City | Gilpin | 137 | 118 | 127 | → |
| Blanca | Town | Costilla | 394 | 385 | 397 | → |
| Blue River | Town | Summit | 703 | 849 | 927 | → |
| Bonanza | Town | Saguache | 10 | 16 | 19 | → |
| Boone | Town | Pueblo | 391 | 339 | 362 | → |
| Boulder | City | Boulder | 94,213 | 97,640 | 107,353 | → |
| Bow Mar | Town | Jefferson / Arapahoe | 847 | 844 | 946 | → |
| Branson | Town | Las Animas | 77 | 74 | 69 | → |
| Breckenridge | Town | Summit | 2,855 | 4,560 | 5,020 | → |
| Brighton | City | Weld / Adams | 21,044 | 33,845 | 41,254 | → |
| Brookside | Town | Fremont | 217 | 233 | 260 | → |
| Broomfield | City | Broomfield | 39,202 | 55,856 | 69,267 | → |
| Brush | City | Morgan | 5,158 | 5,471 | 5,384 | → |
| Buena Vista | Town | Chaffee | 2,225 | 2,566 | 2,823 | → |
| Burlington | City | Kit Carson | 3,738 | 4,254 | 3,178 | → |
| Calhan | Town | El Paso | 891 | 780 | 834 | → |
| Campo | Town | Baca | 147 | 109 | 103 | → |
| Cañon City | City | Fremont | 17,190 | 16,421 | 16,750 | → |
| Carbondale | Town | Garfield | 5,242 | 6,443 | 6,879 | → |
| Castle Pines (Castle Pines North) | City | Douglas | ... | 10,333 | 10,507 | → |
| Castle Rock | Town | Douglas | 20,302 | 48,254 | 64,827 | → |
| Cedaredge | Town | Delta | 1,945 | 2,253 | 2,266 | → |
| Centennial | City | Arapahoe | 102,586 | 100,635 | 110,831 | → |
| Center | Town | Rio Grande / Saguache | 2,440 | 2,240 | 2,304 | → |
| Central City | City | Gilpin / Clear Creek | 527 | 660 | 765 | → |
| Cheraw | Town | Otero | 209 | 254 | 250 | → |
| Cherry Hills Village | City | Arapahoe | 5,962 | 5,987 | 6,650 | → |
| Cheyenne Wells | Town | Cheyenne | 1,012 | 846 | 853 | → |
| City of Creede | Town | Mineral | 365 | 290 | 317 | → |
| Coal Creek | Town | Fremont | 289 | 343 | 348 | → |
| Cokedale | Town | Las Animas | 169 | 129 | 121 | → |
| Collbran | Town | Mesa | 495 | 696 | 698 | → |
| Colorado Springs | City | El Paso | 360,329 | 417,433 | 472,688 | → |
| Columbine Valley | Town | Arapahoe | 1,145 | 1,256 | 1,488 | → |
| Commerce City | City | Adams | 20,921 | 45,905 | 58,449 | → |
| Cortez | City | Montezuma | 7,997 | 8,492 | 8,721 | → |
| Craig | City | Moffat | 9,245 | 9,461 | 8,947 | → |
| Crawford | Town | Delta | 368 | 428 | 424 | → |
| Crested Butte | Town | Gunnison | 1,541 | 1,486 | 1,681 | → |
| Crestone | Town | Saguache | 121 | 127 | 146 | → |
| Cripple Creek | City | Teller | 1,178 | 1,234 | 1,267 | → |
| Crook | Town | Logan | 133 | 110 | 108 | → |
| Crowley | Town | Crowley | 187 | 176 | 167 | → |
| Dacono | City | Weld | 3,120 | 4,151 | 5,826 | → |
| De Beque | Town | Mesa | 525 | 497 | 503 | → |
| Deer Trail | Town | Arapahoe | 602 | 547 | 736 | → |
| Del Norte | Town | Rio Grande | 1,909 | 1,686 | 1,563 | → |
| Delta | City | Delta | 7,967 | 8,878 | 8,920 | → |
| Denver | City | Denver | 553,805 | 599,815 | 716,492 | → |
| Dillon | Town | Summit | 825 | 908 | 973 | → |
| Dinosaur | Town | Moffat | 314 | 339 | 329 | → |
| Dolores | Town | Montezuma | 917 | 939 | 958 | → |
| Dove Creek | Town | Dolores | 718 | 718 | 630 | → |
| Durango | City | La Plata | 14,518 | 16,917 | 18,985 | → |
| Eads | Town | Kiowa | 747 | 609 | 592 | → |
| Eagle | Town | Eagle | 3,105 | 6,508 | 6,961 | → |
| Eaton | Town | Weld | 2,783 | 4,377 | 5,529 | → |
| Eckley | Town | Yuma | 288 | 257 | 258 | → |
| Edgewater | City | Jefferson | 5,433 | 5,172 | 5,342 | → |
| Elizabeth | Town | Elbert | 1,485 | 1,349 | 1,416 | → |
| Empire | Town | Clear Creek | 348 | 282 | 303 | → |
| Englewood | City | Arapahoe | 31,943 | 30,259 | 34,690 | → |
| Erie | Town | Weld / Boulder | 6,420 | 18,166 | 25,447 | → |
| Estes Park | Town | Larimer | 5,605 | 5,921 | 6,352 | → |
| Evans | City | Weld | 9,805 | 18,537 | 21,236 | → |
| Fairplay | Town | Park | 598 | 679 | 762 | → |
| Federal Heights | City | Adams | 12,062 | 11,472 | 12,845 | → |
| Firestone | Town | Weld | 2,359 | 10,209 | 14,860 | → |
| Flagler | Town | Kit Carson | 619 | 561 | 551 | → |
| Fleming | Town | Logan | 426 | 408 | 404 | → |
| Florence | City | Fremont | 3,772 | 3,886 | 3,956 | → |
| Fort Collins | City | Larimer | 121,591 | 144,855 | 167,830 | → |
| Fort Lupton | City | Weld | 6,989 | 7,400 | 8,275 | → |
| Fort Morgan | City | Morgan | 11,081 | 11,362 | 11,359 | → |
| Fountain | City | El Paso | 15,235 | 25,932 | 30,454 | → |
| Fowler | Town | Otero | 1,228 | 1,182 | 1,144 | → |
| Foxfield | Town | Arapahoe | 718 | 714 | 792 | → |
| Fraser | Town | Grand | 987 | 1,224 | 1,302 | → |
| Frederick | Town | Weld | 2,722 | 8,659 | 13,480 | → |
| Frisco | Town | Summit | 2,547 | 2,685 | 3,157 | → |
| Fruita | City | Mesa | 6,728 | 12,687 | 13,406 | → |
| Garden City | Town | Weld | 351 | 250 | 265 | → |
| Genoa | Town | Lincoln | 211 | 139 | 145 | → |
| Georgetown | Town | Clear Creek | 1,114 | 1,034 | 1,088 | → |
| Gilcrest | Town | Weld | 1,154 | 1,034 | 1,108 | → |
| Glendale | City | Arapahoe | 4,302 | 4,318 | 5,170 | → |
| Glenwood Springs | City | Garfield | 7,976 | 9,599 | 9,972 | → |
| Golden | City | Jefferson | 17,147 | 18,890 | 21,254 | → |
| Granada | Town | Prowers | 647 | 517 | 500 | → |
| Granby | Town | Grand | 1,752 | 1,845 | 2,098 | → |
| Grand Junction | City | Mesa | 44,219 | 59,034 | 63,374 | → |
| Grand Lake | Town | Grand | 446 | 471 | 504 | → |
| Greeley | City | Weld | 78,068 | 92,945 | 107,348 | → |
| Green Mountain Falls | Town | Teller / El Paso | 779 | 640 | 706 | → |
| Greenwood Village | City | Arapahoe | 11,297 | 13,921 | 15,801 | → |
| Grover | Town | Weld | 154 | 139 | 153 | → |
| Gunnison | City | Gunnison | 5,446 | 5,822 | 6,594 | → |
| Gypsum | Town | Eagle | 3,835 | 6,498 | 7,353 | → |
| Hartman | Town | Prowers | 111 | 76 | 75 | → |
| Haswell | Town | Kiowa | 84 | 68 | 67 | → |
| Haxtun | Town | Phillips | 990 | 946 | 907 | → |
| Hayden | Town | Routt | 1,664 | 1,806 | 1,970 | → |
| Hillrose | Town | Morgan | 256 | 252 | 254 | → |
| Holly | Town | Prowers | 1,047 | 794 | 775 | → |
| Holyoke | City | Phillips | 2,268 | 2,313 | 2,217 | → |
| Hooper | Town | Alamosa | 123 | 103 | 101 | → |
| Hot Sulphur Springs | Town | Grand | 518 | 672 | 716 | → |
| Hotchkiss | Town | Delta | 1,098 | 942 | 933 | → |
| Hudson | Town | Weld | 1,704 | 2,354 | 1,838 | → |
| Hugo | Town | Lincoln | 864 | 730 | 748 | → |
| Idaho Springs | City | Clear Creek | 1,978 | 1,725 | 1,794 | → |
| Ignacio | Town | La Plata | 803 | 857 | 888 | → |
| Iliff | Town | Logan | 213 | 266 | 263 | → |
| Jamestown | Town | Boulder | 269 | 274 | 268 | → |
| Johnstown | Town | Weld / Larimer | 4,430 | 9,871 | 14,795 | → |
| Julesburg | Town | Sedgwick | 1,473 | 1,225 | 1,180 | → |
| Keenesburg | Town | Weld | 893 | 1,124 | 1,229 | → |
| Kersey | Town | Weld | 1,500 | 1,471 | 1,655 | → |
| Kim | Town | Las Animas | 79 | 74 | 69 | → |
| Kiowa | Town | Elbert | 627 | 719 | 757 | → |
| Kit Carson | Town | Cheyenne | 265 | 233 | 238 | → |
| Kremmling | Town | Grand | 1,467 | 1,444 | 1,503 | → |
| La Jara | Town | Conejos | 869 | 823 | 803 | → |
| La Junta | City | Otero | 7,595 | 7,081 | 6,998 | → |
| La Salle | Town | Weld | 1,865 | 1,957 | 2,346 | → |
| La Veta | Town | Huerfano | 924 | 800 | 810 | → |
| Lafayette | City | Boulder | 23,145 | 24,475 | 28,924 | → |
| Lake City | Town | Hinsdale | 380 | 406 | 387 | → |
| Lakeside | Town | Jefferson | 20 | 8 | 8 | → |
| Lakewood | City | Jefferson | 143,945 | 142,626 | 156,798 | → |
| Lamar | City | Prowers | 8,907 | 7,933 | 7,656 | → |
| Larkspur | Town | Douglas | 260 | 183 | 205 | → |
| Las Animas | City | Bent | 2,797 | 2,410 | 2,190 | → |
| Leadville | City | Lake | 2,830 | 2,600 | 2,762 | → |
| Limon | Town | Lincoln | 2,247 | 1,882 | 1,924 | → |
| Littleton | City | Douglas / Jefferson / Arapahoe | 40,178 | 41,633 | 48,007 | → |
| Lochbuie | Town | Weld / Adams | 2,115 | 4,726 | 6,938 | → |
| Log Lane Village | Town | Morgan | 1,059 | 873 | 874 | → |
| Lone Tree | City | Douglas | 6,880 | 11,198 | 14,653 | → |
| Longmont | City | Weld / Boulder | 71,564 | 86,310 | 96,577 | → |
| Louisville | City | Boulder | 18,928 | 18,408 | 21,163 | → |
| Loveland | City | Larimer | 51,368 | 66,890 | 77,446 | → |
| Lyons | Town | Boulder | 1,584 | 2,120 | 2,155 | → |
| Manassa | Town | Conejos | 1,039 | 991 | 993 | → |
| Mancos | Town | Montezuma | 1,207 | 1,338 | 1,419 | → |
| Manitou Springs | City | El Paso | 4,985 | 4,983 | 5,346 | → |
| Manzanola | Town | Otero | 515 | 432 | 419 | → |
| Marble | Town | Gunnison | 111 | 131 | 144 | → |
| Mead | Town | Weld | 2,257 | 3,453 | 4,737 | → |
| Meeker | Town | Rio Blanco | 2,277 | 2,475 | 2,261 | → |
| Merino | Town | Logan | 236 | 284 | 279 | → |
| Milliken | Town | Weld | 3,015 | 5,611 | 7,674 | → |
| Minturn | Town | Eagle | 1,065 | 1,086 | 1,129 | → |
| Moffat | Town | Saguache | 113 | 116 | 120 | → |
| Monte Vista | City | Rio Grande | 4,687 | 4,442 | 4,124 | → |
| Montezuma | Town | Summit | 44 | 63 | 68 | → |
| Montrose | City | Montrose | 13,179 | 19,140 | 19,512 | → |
| Monument | Town | El Paso | 1,926 | 6,005 | 8,010 | → |
| Morrison | Town | Jefferson | 440 | 418 | 424 | → |
| Mount Crested Butte | Town | Gunnison | 714 | 801 | 852 | → |
| Mountain View | Town | Jefferson | 569 | 507 | 537 | → |
| Mountain Village | Town | San Miguel | 972 | 1,317 | 1,434 | → |
| Naturita | Town | Montrose | 642 | 546 | 541 | → |
| Nederland | Town | Boulder | 1,377 | 1,445 | 1,547 | → |
| New Castle | Town | Garfield | 1,994 | 4,518 | 5,024 | → |
| Northglenn | City | Weld / Adams | 31,609 | 35,762 | 39,010 | → |
| Norwood | Town | San Miguel | 446 | 526 | 591 | → |
| Nucla | Town | Montrose | 735 | 711 | 717 | → |
| Nunn | Town | Weld | 480 | 418 | 463 | → |
| Oak Creek | Town | Routt | 825 | 899 | 966 | → |
| Olathe | Town | Montrose | 1,617 | 1,842 | 1,825 | → |
| Olney Springs | Town | Crowley | 381 | 345 | 329 | → |
| Ophir | Town | San Miguel | 125 | 161 | 179 | → |
| Orchard City | Town | Delta | 2,867 | 3,119 | 3,161 | → |
| Ordway | Town | Crowley | 1,257 | 1,080 | 1,028 | → |
| Otis | Town | Washington | 545 | 473 | 485 | → |
| Ouray | City | Ouray | 815 | 1,002 | 1,010 | → |
| Ovid | Town | Sedgwick | 330 | 318 | 308 | → |
| Pagosa Springs | Town | Archuleta | 1,592 | 1,727 | 2,005 | → |
| Palisade | Town | Mesa | 2,537 | 2,651 | 2,714 | → |
| Palmer Lake | Town | El Paso | 2,168 | 2,405 | 2,772 | → |
| Paoli | Town | Phillips | 42 | 34 | 35 | → |
| Paonia | Town | Delta | 1,533 | 1,458 | 1,462 | → |
| Parachute | Town | Garfield | 1,014 | 1,085 | 1,120 | → |
| Parker | Town | Douglas | 23,384 | 45,337 | 55,636 | → |
| Peetz | Town | Logan | 228 | 238 | 234 | → |
| Pierce | Town | Weld | 899 | 830 | 1,132 | → |
| Pitkin | Town | Gunnison | 127 | 66 | 72 | → |
| Platteville | Town | Weld | 2,480 | 2,487 | 2,769 | → |
| Poncha Springs | Town | Chaffee | 503 | 723 | 940 | → |
| Pritchett | Town | Baca | 138 | 140 | 132 | → |
| Pueblo | City | Pueblo | 101,796 | 106,544 | 111,750 | → |
| Ramah | Town | El Paso | 121 | 123 | 129 | → |
| Rangely | Town | Rio Blanco | 2,092 | 2,367 | 2,291 | → |
| Raymer (New Raymer) | Town | Weld | 91 | 98 | 110 | → |
| Red Cliff | Town | Eagle | 294 | 267 | 279 | → |
| Rico | Town | Dolores | 205 | 265 | 232 | → |
| Ridgway | Town | Ouray | 755 | 892 | 1,016 | → |
| Rifle | City | Garfield | 7,014 | 9,389 | 9,732 | → |
| Rockvale | Town | Fremont | 390 | 487 | 512 | → |
| Rocky Ford | City | Otero | 4,311 | 3,960 | 3,828 | → |
| Romeo | Town | Conejos | 375 | 404 | 406 | → |
| Rye | Town | Pueblo | 200 | 153 | 162 | → |
| Saguache | Town | Saguache | 588 | 485 | 504 | → |
| Salida | City | Chaffee | 5,530 | 5,241 | 5,963 | → |
| San Luis | Town | Costilla | 737 | 629 | 644 | → |
| Sanford | Town | Conejos | 815 | 879 | 880 | → |
| Sawpit | Town | San Miguel | 27 | 34 | 39 | → |
| Sedgwick | Town | Sedgwick | 191 | 146 | 140 | → |
| Seibert | Town | Kit Carson | 178 | 181 | 216 | → |
| Severance | Town | Weld | 856 | 3,187 | 5,064 | → |
| Sheridan | City | Arapahoe | 5,760 | 5,620 | 6,164 | → |
| Sheridan Lake | Town | Kiowa | 56 | 83 | 82 | → |
| Silt | Town | Garfield | 1,712 | 2,934 | 3,181 | → |
| Silver Cliff | Town | Custer | 537 | 582 | 657 | → |
| Silver Plume | Town | Clear Creek | 203 | 170 | 176 | → |
| Silverthorne | Town | Summit | 3,170 | 3,901 | 4,821 | → |
| Silverton | Town | San Juan | 529 | 637 | 694 | → |
| Simla | Town | Elbert | 658 | 613 | 639 | → |
| Snowmass Village | Town | Pitkin | 1,820 | 2,822 | 2,773 | → |
| South Fork | Town | Rio Grande | 532 | 378 | 351 | → |
| Springfield | Town | Baca | 1,567 | 1,451 | 1,379 | → |
| Starkville | Town | Las Animas | 127 | 59 | 55 | → |
| Steamboat Springs | City | Routt | 10,090 | 12,078 | 13,212 | → |
| Sterling | City | Logan | 12,768 | 14,786 | 13,630 | → |
| Stratton | Town | Kit Carson | 679 | 661 | 650 | → |
| Sugar City | Town | Crowley | 279 | 258 | 246 | → |
| Superior | Town | Boulder / Jefferson | 9,061 | 12,481 | 13,175 | → |
| Swink | Town | Otero | 703 | 617 | 596 | → |
| Telluride | Town | San Miguel | ... | 2,229 | 2,484 | → |
| Thornton | City | Adams | 82,506 | 118,784 | 139,436 | → |
| Timnath | Town | Larimer | 304 | 642 | 3,992 | → |
| Trinidad | City | Las Animas | 9,187 | 9,089 | 8,211 | → |
| Two Buttes | Town | Baca | 67 | 43 | 40 | → |
| Vail | Town | Eagle | 4,690 | 5,305 | 5,450 | → |
| Victor | City | Teller | 442 | 408 | 415 | → |
| Vilas | Town | Baca | 107 | 114 | 107 | → |
| Vona | Town | Kit Carson | 95 | 106 | 104 | → |
| Walden | Town | Jackson | 733 | 608 | 600 | → |
| Walsenburg | City | Huerfano | 4,234 | 3,063 | 3,046 | → |
| Walsh | Town | Baca | 722 | 546 | 517 | → |
| Ward | Town | Boulder | 174 | 150 | 164 | → |
| Wellington | Town | Larimer | 2,709 | 6,345 | 9,994 | → |
| Westcliffe | Town | Custer | 419 | 570 | 620 | → |
| Westminster | City | Jefferson / Adams | 100,674 | 106,144 | 113,479 | → |
| Wheat Ridge | City | Jefferson | 32,765 | 30,180 | 31,400 | → |
| Wiggins | Town | Morgan | 851 | 895 | 996 | → |
| Wiley | Town | Prowers | 486 | 405 | 393 | → |
| Williamsburg | Town | Fremont | 732 | 662 | 702 | → |
| Windsor | Town | Weld / Larimer | 10,211 | 18,652 | 28,967 | → |
| Winter Park | Town | Grand | 680 | 1,001 | 1,051 | → |
| Woodland Park | City | Teller | 6,709 | 7,161 | 7,785 | → |
| Wray | City | Yuma | 2,213 | 2,358 | 2,334 | → |
| Yampa | Town | Routt | 454 | 428 | 464 | → |
| Yuma | City | Yuma | 3,290 | 3,523 | 3,460 | → |
Source: U.S. Census Bureau (web).
Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2018.