| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Abarr | city | Colorado | United States | 39.85056 | -102.70667 | 4251 | 229 |
| Abbeyville | city | Colorado | United States | 38.7775 | -106.49167 | 10019 | 122 |
| Abeyta | city | Colorado | United States | 37.07972 | -104.18583 | 5790 | 358 |
| Able | city | Colorado | United States | 38.06056 | -102.86917 | 3763 | 42 |
| Acequia | city | Colorado | United States | 39.52361 | -105.0275 | 5613 | 25351 |
| Acres Green | city | Colorado | United States | 39.55667 | -104.89556 | 5797 | 74411 |
| Adams City subdivision | city | Colorado | United States | 39.82667 | -104.92833 | 5150 | 92106 |
| Adelaide | city | Colorado | United States | 39.24722 | -106.2575 | 10997 | 3392 |
| Adelaide | city | Colorado | United States | 38.56 | -105.09028 | 7162 | 1763 |
| Adena | city | Colorado | United States | 40.00833 | -103.88611 | 4688 | 669 |
| Adna | city | Colorado | United States | 40.33944 | -104.82778 | 4701 | 5177 |
| Agate | city | Colorado | United States | 39.46167 | -103.94167 | 5475 | 89 |
| Aguilar | city | Colorado | United States | 37.40278 | -104.65278 | 6397 | 77 |
| Akin | city | Colorado | United States | 39.25472 | -108.2625 | 5196 | 103 |
| Akron | city | Colorado | United States | 40.16056 | -103.21389 | 4642 | 154 |
| Alamo | city | Colorado | United States | 37.65556 | -104.95806 | 6814 | 265 |
| Alamo Placita | city | Colorado | United States | 39.72083 | -104.97528 | 5298 | 255135 |
| Alamosa | city | Colorado | United States | 37.46944 | -105.86944 | 7496 | 8528 |
| Alden | city | Colorado | United States | 40.4575 | -104.58139 | 4665 | 2479 |
| Alder | city | Colorado | United States | 38.36944 | -106.03889 | 8510 | 34 |
| Alice | city | Colorado | United States | 39.81833 | -105.64222 | 10252 | 852 |
| Allenspark | city | Colorado | United States | 40.19444 | -105.525 | 8398 | 160 |
| Allison | city | Colorado | United States | 37.02444 | -107.4875 | 6200 | 765 |
| Alma | city | Colorado | United States | 39.28389 | -106.06222 | 10396 | 89 |
| Alma Junction | city | Colorado | United States | 39.2675 | -106.04472 | 10367 | 89 |
| Almont | city | Colorado | United States | 38.66472 | -106.84556 | 8303 | 117 |
| Alpine | city | Colorado | United States | 37.68917 | -106.58833 | 8293 | 118 |
| Alpine historical | city | Colorado | United States | 38.71111 | -106.27639 | 9701 | 404 |
| Alta | city | Colorado | United States | 37.88639 | -107.85222 | 11597 | 420 |
| Alta Vista | city | Colorado | United States | 39.02694 | -104.11194 | 6397 | 608 |
| Altman historical | city | Colorado | United States | 38.73611 | -105.13333 | 10334 | 384 |
| Altona | city | Colorado | United States | 40.13389 | -105.28222 | 5583 | 3367 |
| Altura | city | Colorado | United States | 37.18333 | -107.19056 | 7194 | 288 |
| Altura | city | Colorado | United States | 39.74028 | -104.80389 | 5416 | 153755 |
| Alvin | city | Colorado | United States | 40.30778 | -102.07528 | 3599 | 163 |
| American City | city | Colorado | United States | 39.8725 | -105.58667 | 10288 | 1054 |
| Americus | city | Colorado | United States | 38.9025 | -106.165 | 8198 | 500 |
| Ames | city | Colorado | United States | 37.86472 | -107.88167 | 8999 | 386 |
| Amherst | city | Colorado | United States | 40.68278 | -102.16556 | 3677 | 327 |
| Anaconda historical | city | Colorado | United States | 38.73194 | -108.1625 | 4970 | 715 |
| Andersonville | city | Colorado | United States | 40.59389 | -105.05667 | 4954 | 71542 |
| Andrix | city | Colorado | United States | 37.27944 | -103.19222 | 5354 | 14 |
| Angora | city | Colorado | United States | 40.17667 | -108.575 | 5442 | 86 |
| Animas Forks | city | Colorado | United States | 37.93111 | -107.57083 | 11476 | 60 |
| Ansel | city | Colorado | United States | 37.70306 | -106.10194 | 7578 | 509 |
| Antero Junction | city | Colorado | United States | 38.92333 | -105.96472 | 9284 | 187 |
| Antlers | city | Colorado | United States | 39.54333 | -107.72722 | 5396 | 845 |
| Anton | city | Colorado | United States | 39.74167 | -103.21667 | 4885 | 36 |
| Antonito | city | Colorado | United States | 37.07917 | -106.00806 | 7887 | 420 |
| Anvil Points | city | Colorado | United States | 39.51611 | -107.92222 | 5531 | 558 |
| Apache City | city | Colorado | United States | 37.85833 | -104.83056 | 5918 | 300 |
| Appleton | city | Colorado | United States | 39.12083 | -108.6075 | 4570 | 24390 |
| Applewood | city | Colorado | United States | 39.74722 | -105.16222 | 5685 | 108393 |
| Ara | city | Colorado | United States | 40.025 | -105.24972 | 5357 | 89578 |
| Arapahoe | city | Colorado | United States | 38.85 | -102.18167 | 3996 | 98 |
| Arboles | city | Colorado | United States | 37.02806 | -107.41861 | 6194 | 375 |
| Archer | city | Colorado | United States | 39.53333 | -105.07639 | 5492 | 21331 |
| Argo Mill | city | Colorado | United States | 39.74278 | -105.50611 | 7949 | 2637 |
| Arickaree | city | Colorado | United States | 39.69917 | -103.06556 | 4698 | 42 |
| Aristocrat Ranchettes | city | Colorado | United States | 40.10917 | -104.76194 | 5059 | 4487 |
| Arlington | city | Colorado | United States | 38.33611 | -103.34278 | 4248 | 42 |
| Armel | city | Colorado | United States | 39.79722 | -102.10778 | 3799 | 97 |
| Aroya | city | Colorado | United States | 38.85417 | -103.125 | 4550 | 28 |
| Arriba | city | Colorado | United States | 39.28611 | -103.275 | 5216 | 80 |
| Arriola | city | Colorado | United States | 37.4425 | -108.64556 | 6400 | 782 |
| Arrowhead | city | Colorado | United States | 40.57917 | -105.02389 | 4937 | 47370 |
| Arrowood | city | Colorado | United States | 40.18722 | -105.51028 | 8786 | 160 |
| Arvada | city | Colorado | United States | 39.80278 | -105.08694 | 5298 | 154466 |
| Ashcroft | city | Colorado | United States | 39.05361 | -106.79917 | 9799 | 1064 |
| Aspen | city | Colorado | United States | 39.19111 | -106.81694 | 7978 | 2084 |
| Aspen Meadows | city | Colorado | United States | 39.97639 | -105.41278 | 8398 | 1886 |
| Aspen Park | city | Colorado | United States | 39.53917 | -105.29417 | 8398 | 4555 |
| Astor City historical | city | Colorado | United States | 39.55 | -106.40833 | 8202 | 727 |
| Atchee | city | Colorado | United States | 39.56306 | -108.91222 | 6837 | 103 |
| Atlanta | city | Colorado | United States | 37.50361 | -102.99556 | 4678 | 28 |
| Atwood | city | Colorado | United States | 40.54778 | -103.26917 | 3979 | 4259 |
| Auburn | city | Colorado | United States | 40.36806 | -104.63611 | 4655 | 14775 |
| Ault | city | Colorado | United States | 40.5825 | -104.73139 | 4924 | 2022 |
| Aurora | city | Colorado | United States | 39.72944 | -104.83139 | 5403 | 153755 |
| Austin | city | Colorado | United States | 38.78111 | -107.95028 | 5150 | 2328 |
| Avalo | city | Colorado | United States | 40.80333 | -103.64972 | 4543 | 47 |
| Avon | city | Colorado | United States | 39.63139 | -106.52167 | 7529 | 2553 |
| Avondale | city | Colorado | United States | 38.2375 | -104.35056 | 4514 | 1370 |
| Axial | city | Colorado | United States | 40.28528 | -107.79139 | 6597 | 37 |
| Ayer | city | Colorado | United States | 37.75806 | -103.84583 | 4580 | 56 |
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