City | 2026 Pop.↓ |
|---|---|
| Aurora | 415,462 |
| Arvada | 122,391 |
| Alamosa | 9,871 |
| Applewood | 8,342 |
| Air Force Academy | 6,706 |
| Aspen | 6,393 |
| Avon | 6,135 |
| Ault | 2,854 |
| Acres Green | 2,640 |
| Aristocrat Ranchettes | 2,564 |
| Akron | 1,718 |
| Alamosa East | 1,392 |
| Aetna Estates | 1,256 |
| Allenspark | 895 |
| Aspen Park | 688 |
| Antonito | 609 |
| Altona | 539 |
| Aguilar | 443 |
| Arboles | 423 |
| Alma | 316 |
| Avondale | 211 |
| Arriba | 202 |
| Atwood | 201 |
| Amherst | 103 |
| Alpine | 82 |
| Arapahoe | 53 |
City | 2026 Pop.↓ |
|---|---|
| Boulder | 105,220 |
| Broomfield | 80,154 |
| Brighton | 46,320 |
| Black Forest | 15,014 |
| Berthoud | 14,837 |
| Berkley | 10,753 |
| Battlement Mesa | 5,617 |
| Brush | 5,349 |
| Breckenridge | 5,008 |
| Bennett | 4,488 |
| Basalt | 4,020 |
| Buena Vista | 3,314 |
| Burlington | 3,158 |
| Bayfield | 2,990 |
| Byers | 1,953 |
| Blue River | 856 |
| Bow Mar | 829 |
| Beulah Valley | 810 |
| Blende | 592 |
| Brook Forest | 502 |
| Blanca | 324 |
| Boone | 306 |
| Brookside | 236 |
| Blue Valley | 208 |
| Bethune | 190 |
| Blue Sky | 175 |
| Bonanza Mountain Estates | 133 |
| Black Hawk | 120 |
| Briggsdale | 106 |
| Bark Ranch | 95 |
| Brick Center | 76 |
| Branson | 57 |
| Brandon | 23 |
City | 2026 Pop.↓ |
|---|---|
| Colorado Springs | 497,549 |
| Centennial | 109,178 |
| Castle Rock | 86,094 |
| Commerce City | 74,414 |
| Columbine | 26,004 |
| Clifton | 19,713 |
| Cimarron Hills | 19,419 |
| Cañon City | 17,081 |
| Castle Pines | 16,557 |
| Cherry Creek | 10,986 |
| Cortez | 9,207 |
| Craig | 8,865 |
| Carbondale | 6,853 |
| Cherry Hills Village | 6,390 |
| Castle Pines Village | 5,466 |
| Cedaredge | 2,486 |
| Coal Creek | 2,347 |
| Center | 1,879 |
| Columbine Valley | 1,734 |
| Colorado City | 1,698 |
| Crested Butte | 1,692 |
| Cripple Creek | 1,109 |
| Cascade-Chipita Park | 1,043 |
| Central City | 808 |
| Calhan | 718 |
| Cheyenne Wells | 710 |
| Chacra | 477 |
| Crawford | 413 |
| Comanche Creek | 394 |
| Coal Creek | 361 |
| Collbran | 353 |
| Capulin | 312 |
| Catherine | 307 |
| Copper Mountain | 306 |
| Coaldale | 281 |
| Creede | 278 |
| Cattle Creek | 269 |
| Crisman | 268 |
| Cheraw | 220 |
| Crestone | 166 |
| Crowley | 153 |
| Crook | 123 |
| Cokedale | 122 |
| Campo | 94 |
| Colona | 85 |
| Cope | 68 |
| Cotopaxi | 42 |
| Cathedral | 32 |
| Carbonate | 0 |
City | 2026 Pop.↓ |
|---|---|
| Denver | 746,590 |
| Dakota Ridge | 34,656 |
| Durango | 19,916 |
| Delta | 9,963 |
| Derby | 8,924 |
| Dacono | 6,956 |
| Dove Valley | 5,329 |
| Deer Trail | 1,889 |
| Dotsero | 1,463 |
| Del Norte | 1,384 |
| Dillon | 1,023 |
| Dolores | 942 |
| Dove Creek | 670 |
| De Beque | 473 |
| Downieville-Lawson-Dumont | 451 |
| Dinosaur | 243 |
| Divide | 79 |
City | 2026 Pop.↓ |
|---|---|
| Fort Collins | 171,693 |
| Fountain | 29,336 |
| Four Square Mile | 26,816 |
| Firestone | 20,828 |
| Fort Carson | 19,516 |
| Frederick | 19,065 |
| Fruita | 14,128 |
| Federal Heights | 14,011 |
| Fort Morgan | 11,910 |
| Fairmount | 11,205 |
| Fort Lupton | 10,898 |
| Fruitvale | 8,073 |
| Florence | 3,862 |
| Frisco | 2,763 |
| Fraser | 1,576 |
| Fowler | 1,156 |
| Floyd Hill | 816 |
| Fairplay | 747 |
| Foxfield | 746 |
| Flagler | 588 |
| Fort Garland | 424 |
| Fleming | 418 |
| Franktown | 407 |
| Florissant | 168 |
City | 2026 Pop.↓ |
|---|---|
| Greeley | 116,451 |
| Grand Junction | 73,036 |
| Golden | 20,341 |
| Greenwood Village | 15,285 |
| Gunbarrel | 10,692 |
| Glenwood Springs | 10,499 |
| Gypsum | 9,495 |
| Gunnison | 6,906 |
| Gleneagle | 6,114 |
| Glendale | 4,456 |
| Genesee | 3,876 |
| Granby | 2,451 |
| Georgetown | 1,248 |
| Gilcrest | 1,017 |
| Grand View Estates | 784 |
| Green Mountain Falls | 590 |
| Granada | 462 |
| Grand Lake | 400 |
| Gerrard | 378 |
| Gold Hill | 301 |
| Garden City | 249 |
| Goldfield | 197 |
| Genoa | 155 |
| Grover | 151 |
| Glendale | 87 |
| Gardner | 73 |
| Guffey | 36 |
City | 2026 Pop.↓ |
|---|---|
| Highlands Ranch | 102,527 |
| Holly Hills | 2,682 |
| Hayden | 2,251 |
| Holyoke | 2,248 |
| Hudson | 1,615 |
| Howard | 1,260 |
| Hotchkiss | 961 |
| Haxtun | 945 |
| Holly | 834 |
| Hugo | 779 |
| Hot Sulphur Springs | 656 |
| Hillrose | 313 |
| Heeney | 114 |
| Hasty | 82 |
| Hooper | 77 |
| Haswell | 71 |
| Hoehne | 58 |
| Hartman | 54 |
| Hidden Lake | 37 |
City | 2026 Pop.↓ |
|---|---|
| Inverness | 3,447 |
| Idaho Springs | 1,813 |
| Indian Hills | 1,329 |
| Ignacio | 868 |
| Idledale | 318 |
| Iliff | 245 |
| Idalia | 116 |
City | 2026 Pop.↓ |
|---|---|
| Johnstown | 23,265 |
| Julesburg | 1,200 |
| Jamestown | 242 |
| Jackson Lake | 233 |
| Johnson Village | 188 |
| Joes | 132 |
| Jansen | 90 |
City | 2026 Pop.↓ |
|---|---|
| Lakewood | 157,210 |
| Longmont | 100,211 |
| Loveland | 82,545 |
| Littleton | 46,208 |
| Lafayette | 30,150 |
| Louisville | 20,468 |
| Lone Tree | 15,231 |
| Lochbuie | 8,880 |
| Lamar | 7,566 |
| La Junta | 6,771 |
| Lincoln Park | 4,492 |
| Leadville | 2,677 |
| Las Animas | 2,338 |
| La Salle | 2,292 |
| Lyons | 2,105 |
| Laporte | 2,048 |
| Limon | 2,010 |
| Leadville North | 1,395 |
| Loma | 1,382 |
| Lazy Acres | 1,087 |
| Log Lane Village | 948 |
| La Veta | 861 |
| La Jara | 703 |
| Loghill Village | 698 |
| Lake City | 410 |
| Lewis | 360 |
| Louviers | 275 |
| Larkspur | 222 |
| Lazear | 202 |
| La Junta Gardens | 115 |
| Lakeside | 15 |
| Lynn | 7 |
| Laird | 6 |
City | 2026 Pop.↓ |
|---|---|
| Montrose | 21,886 |
| Monument | 14,551 |
| Milliken | 9,355 |
| Mead | 7,533 |
| Meridian | 5,540 |
| Manitou Springs | 4,505 |
| Monte Vista | 3,948 |
| Meridian Village | 3,407 |
| Meeker | 2,437 |
| Mancos | 1,282 |
| Mountain Village | 1,229 |
| Mount Crested Butte | 971 |
| Minturn | 967 |
| Manassa | 960 |
| Mulford | 621 |
| Mountain View | 512 |
| Morrison | 362 |
| Manzanola | 315 |
| Merino | 274 |
| Morgan Heights | 260 |
| Maysville | 203 |
| Mountain Meadows | 189 |
| Midland | 183 |
| Marble | 133 |
| Marvel | 112 |
| Moffat | 101 |
| McClave | 91 |
| Montezuma | 71 |
| Maybell | 47 |
| Matheson | 25 |
City | 2026 Pop.↓ |
|---|---|
| Northglenn | 39,066 |
| New Castle | 4,907 |
| Niwot | 3,719 |
| Nederland | 1,466 |
| Nucla | 575 |
| Nunn | 547 |
| Norwood | 513 |
| North La Junta | 512 |
| Naturita | 478 |
| No Name | 277 |
| North Washington | 271 |
| Nathrop | 137 |
City | 2026 Pop.↓ |
|---|---|
| Orchard Mesa | 6,542 |
| Orchard City | 3,331 |
| Olathe | 1,914 |
| Ordway | 1,058 |
| Ouray | 931 |
| Oak Creek | 827 |
| Otis | 499 |
| Olney Springs | 285 |
| Ovid | 253 |
| Ophir | 182 |
| Orchard | 107 |
City | 2026 Pop.↓ |
|---|---|
| Pueblo | 110,269 |
| Parker | 67,604 |
| Pueblo West | 36,228 |
| Penrose | 4,069 |
| Ponderosa Park | 3,631 |
| Park Center | 3,131 |
| Platteville | 2,896 |
| Palisade | 2,609 |
| Palmer Lake | 2,569 |
| Pagosa Springs | 1,882 |
| Perry Park | 1,837 |
| Poncha Springs | 1,499 |
| Paonia | 1,481 |
| Parachute | 1,363 |
| Pierce | 1,084 |
| Paragon Estates | 730 |
| Phippsburg | 491 |
| Pine Valley | 481 |
| Placerville | 414 |
| Pine Brook Hill | 385 |
| Peetz | 199 |
| Portland | 113 |
| Pritchett | 105 |
| Peyton | 90 |
| Pitkin | 73 |
| Piedra | 62 |
| Peoria | 50 |
| Paoli | 47 |
| Parshall | 42 |
| Padroni | 28 |
City | 2026 Pop.↓ |
|---|---|
| Rifle | 10,924 |
| Roxborough Park | 9,426 |
| Redlands | 8,791 |
| Rocky Ford | 3,726 |
| Rangely | 2,315 |
| Ridgway | 1,348 |
| Rockvale | 534 |
| Redvale | 444 |
| Rico | 357 |
| Red Feather Lakes | 348 |
| Rollinsville | 320 |
| Romeo | 311 |
| Red Cliff | 233 |
| Rye | 200 |
| Redstone | 163 |
| Rock Creek Park | 155 |
| Raymer (New Raymer) | 111 |
| Ramah | 103 |
City | 2026 Pop.↓ |
|---|---|
| Security-Widefield | 39,992 |
| Sherrelwood | 19,617 |
| Superior | 13,750 |
| Steamboat Springs | 13,687 |
| Sterling | 12,964 |
| Severance | 12,740 |
| Stonegate | 9,211 |
| Stratmoor | 6,280 |
| Salida | 6,058 |
| Sheridan | 5,948 |
| Silverthorne | 5,645 |
| Shaw Heights | 5,354 |
| Sierra Ridge | 4,017 |
| Silt | 3,797 |
| Stepping Stone | 3,790 |
| Strasburg | 3,434 |
| Sterling Ranch | 3,114 |
| Snowmass Village | 2,946 |
| Springfield | 1,289 |
| Salt Creek | 913 |
| Sanford | 900 |
| Silverton | 746 |
| Silver Cliff | 735 |
| Stratton | 641 |
| San Luis | 604 |
| Simla | 580 |
| Swink | 573 |
| St. Ann Highlands | 528 |
| Saguache | 518 |
| South Fork | 504 |
| Sugarloaf | 484 |
| Sunshine | 242 |
| Sugar City | 236 |
| Segundo | 183 |
| Seibert | 178 |
| Silver Plume | 176 |
| Sedgwick | 159 |
| Smeltertown | 129 |
| Southern Ute | 114 |
| St. Mary's | 95 |
| Stonewall Gap | 75 |
| Saddle Ridge | 71 |
| Starkville | 66 |
| Sheridan Lake | 56 |
| Sawpit | 34 |
| San Acacio | 28 |
| Seven Hills | 26 |
| Sedalia | 13 |
| Snyder | 3 |
City | 2026 Pop.↓ |
|---|---|
| Thornton | 149,318 |
| Timnath | 12,617 |
| The Pinery | 12,022 |
| Twin Lakes | 8,782 |
| Trinidad | 8,050 |
| Todd Creek | 5,369 |
| Telluride | 2,419 |
| Towaoc | 1,051 |
| Tabernash | 885 |
| Twin Lakes | 581 |
| Tall Timber | 415 |
| Trail Side | 105 |
| Two Buttes | 29 |
| Towner | 28 |
City | 2026 Pop.↓ |
|---|---|
| Upper Bear Creek | 962 |
| Upper Witter Gulch | 724 |
City | 2026 Pop.↓ |
|---|---|
| Westminster | 116,095 |
| Windsor | 46,001 |
| Wheat Ridge | 32,007 |
| Welby | 16,552 |
| Wellington | 12,405 |
| Woodmoor | 8,837 |
| Woodland Park | 8,038 |
| West Pleasant View | 5,540 |
| Walsenburg | 3,036 |
| Wray | 2,352 |
| Wiggins | 1,976 |
| Watkins | 1,338 |
| Winter Park | 1,248 |
| Williamsburg | 802 |
| Walden | 516 |
| Walsh | 508 |
| Westcliffe | 505 |
| Wiley | 432 |
| Westcreek | 262 |
| Ward | 122 |
| Weldona | 97 |
| Woody Creek | 91 |
| Weston | 52 |