2018 Tree City USA
Communities in Colorado
Updated June, 2019. Next update, June 2020.
| City | Years | Population |
|---|---|---|
| Alamosa | 29 | 9,220 |
| Arvada | 28 | 115,368 |
| Aspen | 27 | 7,359 |
| Aurora | 35 | 361,710 |
| Basalt | 8 | 3,587 |
| Berthoud | 36 | 8,900 |
| Boulder | 35 | 107,000 |
| Brighton | 33 | 39,211 |
| Broomfield | 30 | 68,845 |
| Brush | 29 | 5,476 |
| Buckley AFB | 14 | 26,000 |
| Buena Vista | 30 | 2,913 |
| Campo | 15 | 102 |
| Canon City | 39 | 16,000 |
| Carbondale | 25 | 6,777 |
| Castle Rock | 32 | 64,981 |
| Cedaredge | 25 | 2,300 |
| Cherry Hills Village | 13 | 6,388 |
| Colorado Springs | 42 | 464,474 |
| Commerce City | 28 | 56,000 |
| Cortez | 27 | 8,500 |
| Crested Butte | 18 | 1,500 |
| Del Norte | 10 | 1,578 |
| Delta | 35 | 8,500 |
| Denver | 33 | 682,454 |
| Durango | 39 | 18,465 |
| Eads | 25 | 590 |
| Eagle | 1 | 6,700 |
| Edgewater | 27 | 5,200 |
| Elizabeth | 20 | 1,350 |
| Englewood | 34 | 35,000 |
| Erie | 21 | 27,000 |
| Estes Park | 22 | 5,858 |
| Evans | 35 | 20,757 |
| Florence | 35 | 3,887 |
| Fort Carson | 31 | 12,200 |
| Fort Collins | 41 | 165,080 |
| Fort Lupton | 11 | 8,163 |
| Frederick | 5 | 12,383 |
| Fruita | 26 | 12,924 |
| Glenwood Springs | 34 | 10,000 |
| Golden | 29 | 20,571 |
| Grand Junction | 36 | 60,210 |
| Grand Lake | 29 | 472 |
| Greeley | 39 | 109,500 |
| Greenwood Village | 30 | 15,721 |
| Gunnison | 29 | 6,530 |
| Hayden | 14 | 2,000 |
| Highlands Ranch | 31 | 96,000 |
| Ken-Caryl Ranch | 29 | 12,950 |
| Kersey | 13 | 1,600 |
| La Junta | 38 | 6,898 |
| La Veta | 33 | 779 |
| Lafayette | 24 | 28,261 |
| Lake City | 31 | 400 |
| Lakewood | 37 | 154,393 |
| Lamar | 28 | 7,534 |
| Limon | 28 | 1,927 |
| Littleton | 32 | 47,734 |
| Lone Tree | 17 | 13,662 |
| Longmont | 39 | 94,777 |
| Louisville | 38 | 21,128 |
| Loveland | 30 | 76,701 |
| Lyons | 32 | 2,053 |
| Mancos | 23 | 1,500 |
| Milliken | 16 | 7,200 |
| Monte Vista | 24 | 4,300 |
| Montrose | 30 | 20,000 |
| Monument | 25 | 4,500 |
| New Castle | 15 | 4,500 |
| Northglenn | 29 | 38,928 |
| Olathe | 27 | 1,800 |
| Olney Springs | 14 | 332 |
| Ordway | 16 | 1,009 |
| Paonia | 12 | 1,451 |
| Parker | 26 | 54,000 |
| Peterson AFB | 25 | 13,466 |
| Platteville | 15 | 2,779 |
| Poncha Springs | 9 | 967 |
| Pueblo | 39 | 109,000 |
| Rocky Ford | 27 | 3,827 |
| Saguache | 29 | 498 |
| Salida | 32 | 5,300 |
| Schriever AFB | 21 | 6,978 |
| Severance | 1 | 5,000 |
| Silt | 21 | 3,010 |
| Springfield | 28 | 1,370 |
| Steamboat Springs | 28 | 12,690 |
| Sterling | 31 | 14,677 |
| Swink | 21 | 592 |
| Thornton | 32 | 140,000 |
| USAF Academy | 26 | 6,680 |
| Westminster | 34 | 113,875 |
| Wheat Ridge | 40 | 31,000 |
| Windsor | 38 | 29,158 |