2020 Tree City USA
Communities in Colorado
Updated June 2021. Next Update: June 2022.
| City | Years | Population |
|---|---|---|
| Alamosa | 31 | 9,591 |
| Arvada | 30 | 106,433 |
| Aspen | 29 | 7,500 |
| Aurora | 37 | 375,000 |
| Basalt | 10 | 4,166 |
| Berthoud | 38 | 9,500 |
| Boulder | 38 | 107,353 |
| Brighton | 35 | 41,468 |
| Broomfield | 32 | 71,337 |
| Brush | 31 | 5,700 |
| Buckley AFB | 16 | 26,000 |
| Buena Vista | 32 | 2,950 |
| Campo | 17 | 103 |
| Canon City | 41 | 16,000 |
| Carbondale | 27 | 6,898 |
| Castle Rock | 34 | 70,687 |
| Cedaredge | 27 | 2,300 |
| Cherry Hills Village | 15 | 6,388 |
| Colorado Springs | 44 | 472,688 |
| Commerce City | 30 | 56,000 |
| Cortez | 29 | 8,500 |
| Crested Butte | 20 | 1,500 |
| Del Norte | 12 | 1,578 |
| Denver | 35 | 734,134 |
| Durango | 41 | 18,973 |
| Eads | 27 | 609 |
| Eagle | 3 | 6,700 |
| Edgewater | 29 | 5,800 |
| Elizabeth | 22 | 1,600 |
| Englewood | 36 | 34,407 |
| Erie | 23 | 28,400 |
| Estes Park | 24 | 6,310 |
| Evans | 37 | 21,912 |
| Florence | 37 | 3,944 |
| Fort Carson | 33 | 27,300 |
| Fort Collins | 43 | 167,830 |
| Fort Lupton | 13 | 9,000 |
| Frederick | 7 | 15,427 |
| Fruita | 28 | 13,406 |
| Glenwood Springs | 36 | 10,000 |
| Golden | 31 | 21,254 |
| Grand Junction | 38 | 63,374 |
| Grand Lake | 31 | 460 |
| Greeley | 41 | 111,748 |
| Greenwood Village | 32 | 15,801 |
| Gunnison | 31 | 6,530 |
| Hayden | 16 | 2,000 |
| Highlands Ranch | 33 | 100,830 |
| Ken-Caryl Ranch | 31 | 12,950 |
| Kersey | 15 | 1,600 |
| La Junta | 40 | 6,998 |
| La Veta | 35 | 830 |
| Lafayette | 26 | 29,000 |
| Lake City | 33 | 400 |
| Lakewood | 39 | 156,798 |
| Lamar | 30 | 7,656 |
| Limon | 30 | 1,924 |
| Littleton | 34 | 50,507 |
| Lone Tree | 19 | 14,500 |
| Longmont | 41 | 96,577 |
| Louisville | 40 | 21,163 |
| Loveland | 32 | 78,402 |
| Lyons | 34 | 2,155 |
| Mancos | 25 | 1,500 |
| Manitou Springs | 2 | 5,414 |
| Milliken | 18 | 8,250 |
| Monte Vista | 26 | 4,300 |
| Montrose | 32 | 20,000 |
| Monument | 27 | 3,500 |
| New Castle | 17 | 4,518 |
| Northglenn | 31 | 38,819 |
| Olney Springs | 16 | 329 |
| Ordway | 18 | 1,028 |
| Paonia | 14 | 1,483 |
| Peterson AFB | 27 | 16,367 |
| Platteville | 17 | 3,000 |
| Poncha Springs | 11 | 1,089 |
| Pueblo | 41 | 113,662 |
| Rocky Ford | 29 | 3,828 |
| Salida | 34 | 6,000 |
| Schriever AFB | 23 | 9,053 |
| Severance | 3 | 8,500 |
| Silt | 23 | 3,100 |
| Springfield | 30 | 1,347 |
| Steamboat Springs | 30 | 13,212 |
| Sterling | 33 | 14,000 |
| Superior | 17 | 13,500 |
| Swink | 23 | 596 |
| Thornton | 35 | 140,000 |
| Trinidad | 8 | 8,200 |
| USAF Academy | 28 | 6,680 |
| Westminster | 36 | 117,832 |
| Wheat Ridge | 42 | 31,400 |
| Windsor | 40 | 35,000 |