| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Galatea | city | Colorado | United States | 38.50444 | -103.02417 | 4379 | 42 |
| Galena | city | Colorado | United States | 38.26194 | -105.27722 | 8195 | 1620 |
| Galeton | city | Colorado | United States | 40.52083 | -104.58528 | 4763 | 1913 |
| Galien | city | Colorado | United States | 40.68778 | -103.00778 | 4192 | 98 |
| Garcia | city | Colorado | United States | 37.00417 | -105.53667 | 7759 | 173 |
| Garden City | city | Colorado | United States | 40.39389 | -104.68889 | 4678 | 60992 |
| Gardner | city | Colorado | United States | 37.78333 | -105.165 | 6899 | 56 |
| Garfield historical | city | Colorado | United States | 38.55167 | -106.29167 | 9849 | 152 |
| Garland City historical | city | Colorado | United States | 37.4525 | -105.34167 | 8198 | 117 |
| Garo | city | Colorado | United States | 39.10778 | -105.88972 | 9196 | 89 |
| Gary | city | Colorado | United States | 40.07389 | -103.58444 | 4399 | 173 |
| Gaskil | city | Colorado | United States | 40.33056 | -105.86167 | 8799 | 182 |
| Gates | city | Colorado | United States | 40.53139 | -104.75472 | 4881 | 2173 |
| Gateview | city | Colorado | United States | 38.29361 | -107.21806 | 8198 | 19 |
| Gateway | city | Colorado | United States | 39.54917 | -104.90556 | 5898 | 74411 |
| Gato | city | Colorado | United States | 37.045 | -107.19667 | 6397 | 170 |
| Gem Village | city | Colorado | United States | 37.21917 | -107.63667 | 6797 | 772 |
| Genesee | city | Colorado | United States | 39.68583 | -105.27222 | 7598 | 11079 |
| Genoa | city | Colorado | United States | 39.27833 | -103.49972 | 5597 | 205 |
| Georgetown | city | Colorado | United States | 39.70611 | -105.69694 | 8622 | 641 |
| Gerrard | city | Colorado | United States | 37.67722 | -106.5925 | 8290 | 118 |
| Giddings | city | Colorado | United States | 40.62139 | -105.01 | 5059 | 28887 |
| Gilcrest | city | Colorado | United States | 40.28194 | -104.77722 | 4747 | 2419 |
| Gill | city | Colorado | United States | 40.45417 | -104.54167 | 4688 | 2479 |
| Gillett historical | city | Colorado | United States | 38.78194 | -105.12222 | 9996 | 563 |
| Gilman | city | Colorado | United States | 39.53278 | -106.39333 | 9622 | 362 |
| Gilpin | city | Colorado | United States | 39.89083 | -105.5075 | 8996 | 1222 |
| Gilpin | city | Colorado | United States | 37.94611 | -103.18417 | 4140 | 42 |
| Gilson Gulch | city | Colorado | United States | 39.76167 | -105.5075 | 8198 | 2955 |
| Gilsonite | city | Colorado | United States | 39.17694 | -108.77806 | 4517 | 1060 |
| Gladstone | city | Colorado | United States | 37.89028 | -107.64972 | 10882 | 108 |
| Glen Comfort | city | Colorado | United States | 40.39361 | -105.43972 | 7493 | 611 |
| Glen Cove | city | Colorado | United States | 38.87583 | -105.07222 | 12043 | 1438 |
| Glen Echo | city | Colorado | United States | 40.69861 | -105.58472 | 7198 | 112 |
| Glen Eden | city | Colorado | United States | 40.71722 | -106.91444 | 7352 | 103 |
| Glen Eyrie | city | Colorado | United States | 38.89167 | -104.88389 | 6538 | 34189 |
| Glen Haven | city | Colorado | United States | 40.45389 | -105.44861 | 7670 | 523 |
| Glen Park | city | Colorado | United States | 39.11444 | -104.91972 | 7198 | 1902 |
| Glendale | city | Colorado | United States | 40.08194 | -105.36583 | 7057 | 4393 |
| Glendale | city | Colorado | United States | 39.705 | -104.93306 | 5406 | 221895 |
| Glendevey | city | Colorado | United States | 40.81028 | -105.93444 | 8398 | 112 |
| Gleneagle | city | Colorado | United States | 39.04528 | -104.82389 | 6860 | 9902 |
| Glenelk | city | Colorado | United States | 39.46333 | -105.35417 | 7985 | 1562 |
| Glenisle | city | Colorado | United States | 39.40889 | -105.50917 | 7998 | 831 |
| Glentivar | city | Colorado | United States | 39.04778 | -105.60361 | 8910 | 78 |
| Glenwood Springs | city | Colorado | United States | 39.55056 | -107.32417 | 5797 | 6441 |
| Golconda | city | Colorado | United States | 37.4575 | -108.15167 | 9288 | 347 |
| Gold Hill | city | Colorado | United States | 39.54528 | -106.04778 | 9196 | 1845 |
| Gold Hill | city | Colorado | United States | 40.06306 | -105.40361 | 8028 | 2190 |
| Gold Run | city | Colorado | United States | 40.05417 | -105.41083 | 7998 | 2190 |
| Golden | city | Colorado | United States | 39.75556 | -105.22056 | 5843 | 18071 |
| Goldfield | city | Colorado | United States | 38.71778 | -105.12556 | 10597 | 384 |
| Goodale | city | Colorado | United States | 38.11806 | -102.43472 | 3546 | 267 |
| Goodell Corner | city | Colorado | United States | 40.73528 | -105.58056 | 8415 | 112 |
| Gooding | city | Colorado | United States | 40.07361 | -105.0825 | 4993 | 10171 |
| Goodnight | city | Colorado | United States | 38.26111 | -104.66944 | 4806 | 37480 |
| Goodpasture | city | Colorado | United States | 38.08333 | -104.91944 | 6184 | 253 |
| Goodrich | city | Colorado | United States | 40.35111 | -104.06111 | 4383 | 218 |
| Gothic | city | Colorado | United States | 38.95917 | -106.98917 | 9484 | 347 |
| Gould | city | Colorado | United States | 40.52639 | -106.02611 | 8999 | 42 |
| Gowanda | city | Colorado | United States | 40.20472 | -104.9 | 4790 | 2538 |
| Graft | city | Colorado | United States | 37.44778 | -102.89194 | 4770 | 28 |
| Granada | city | Colorado | United States | 38.06389 | -102.31 | 3497 | 200 |
| Granby | city | Colorado | United States | 40.08611 | -105.93889 | 7998 | 379 |
| Grand Island historical | city | Colorado | United States | 39.97083 | -105.60278 | 9826 | 1795 |
| Grand Junction | city | Colorado | United States | 39.06389 | -108.55 | 4616 | 46217 |
| Grand Lake | city | Colorado | United States | 40.25222 | -105.8225 | 8369 | 182 |
| Grand Mesa | city | Colorado | United States | 39.04028 | -107.94917 | 10170 | 976 |
| Grand View Estates | city | Colorado | United States | 39.54361 | -104.82056 | 5898 | 24240 |
| Grandview | city | Colorado | United States | 37.2275 | -107.82639 | 6797 | 2405 |
| Granite | city | Colorado | United States | 39.04361 | -106.26278 | 8996 | 265 |
| Grant | city | Colorado | United States | 39.45972 | -105.66111 | 8763 | 831 |
| Grate | city | Colorado | United States | 38.08722 | -102.41528 | 3543 | 185 |
| Graymont | city | Colorado | United States | 39.69444 | -105.8 | 10738 | 774 |
| Greeley | city | Colorado | United States | 40.42333 | -104.70861 | 4688 | 61331 |
| Greeley Junction | city | Colorado | United States | 40.45556 | -104.69389 | 4701 | 55801 |
| Green Mountain Falls | city | Colorado | United States | 38.935 | -105.01639 | 7798 | 4234 |
| Green Mountain Village | city | Colorado | United States | 39.69806 | -105.13194 | 5797 | 106449 |
| Green Settlement | city | Colorado | United States | 38.77556 | -104.89194 | 7499 | 13059 |
| Green Valley Acres | city | Colorado | United States | 39.50222 | -105.31139 | 8566 | 4555 |
| Greenhorn | city | Colorado | United States | 37.90694 | -104.85278 | 6197 | 379 |
| Greenland | city | Colorado | United States | 39.1825 | -104.85472 | 6998 | 1404 |
| Greenwood | city | Colorado | United States | 38.205 | -105.09639 | 6594 | 173 |
| Greenwood Village | city | Colorado | United States | 39.61722 | -104.95028 | 5498 | 142460 |
| Greystone | city | Colorado | United States | 40.60944 | -108.67333 | 6597 | 14 |
| Griff | city | Colorado | United States | 40.78222 | -103.00667 | 3792 | 112 |
| Griffth historical | city | Colorado | United States | 37.21444 | -107.79556 | 6902 | 2405 |
| Grover | city | Colorado | United States | 40.87139 | -104.22472 | 5085 | 47 |
| Guadalupe | city | Colorado | United States | 37.09528 | -106.025 | 7877 | 609 |
| Guffey | city | Colorado | United States | 38.75111 | -105.52083 | 8795 | 61 |
| Gulnare | city | Colorado | United States | 37.31722 | -104.75139 | 6998 | 81 |
| Gunnison | city | Colorado | United States | 38.54583 | -106.92472 | 7769 | 5640 |
| Guston | city | Colorado | United States | 37.91639 | -107.68972 | 11266 | 145 |
| Gypsum | city | Colorado | United States | 39.64694 | -106.95111 | 6397 | 369 |
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