2017 Tree City USA
Communities in Colorado
Updated June, 2018. Next update, June 2019.
| City | Years | Population |
|---|---|---|
| Alamosa | 28 | 9,343 |
| Arvada | 27 | 115,368 |
| Aspen | 26 | 6,871 |
| Aurora | 34 | 345,867 |
| Basalt | 7 | 3,921 |
| Berthoud | 35 | 5,900 |
| Boulder | 34 | 108,707 |
| Brighton | 32 | 38,192 |
| Broomfield | 29 | 67,895 |
| Brush | 28 | 5,476 |
| Buckley AFB | 13 | 26,000 |
| Buena Vista | 29 | 2,617 |
| Campo | 14 | 103 |
| Canon City | 38 | 16,000 |
| Carbondale | 24 | 6,777 |
| Castle Rock | 31 | 64,971 |
| Cedaredge | 24 | 2,300 |
| Cherry Hills Village | 12 | 6,388 |
| Colorado Springs | 41 | 473,984 |
| Commerce City | 27 | 50,000 |
| Cortez | 26 | 8,500 |
| Crested Butte | 17 | 1,500 |
| Delta | 34 | 8,900 |
| Denver | 32 | 682,454 |
| Durango | 38 | 18,503 |
| Eads | 24 | 588 |
| Edgewater | 26 | 5,200 |
| Elizabeth | 19 | 1,350 |
| Englewood | 33 | 34,500 |
| Erie | 20 | 27,000 |
| Estes Park | 21 | 5,858 |
| Evans | 34 | 21,615 |
| Florence | 34 | 3,887 |
| Fort Collins | 40 | 167,500 |
| Fort Lupton | 10 | 7,783 |
| Frederick | 4 | 11,729 |
| Fruita | 25 | 12,924 |
| Glenwood Springs | 33 | 10,000 |
| Golden | 28 | 18,867 |
| Grand Junction | 35 | 60,000 |
| Grand Lake | 28 | 463 |
| Greeley | 38 | 105,000 |
| Greenwood Village | 29 | 15,249 |
| Gunnison | 28 | 5,854 |
| Hayden | 13 | 1,810 |
| Highlands Ranch | 30 | 96,713 |
| Ken-Caryl Ranch | 28 | 12,950 |
| Kersey | 12 | 1,600 |
| La Junta | 37 | 6,930 |
| La Veta | 32 | 875 |
| Lafayette | 23 | 28,641 |
| Lake City | 30 | 400 |
| Lakewood | 36 | 143,000 |
| Lamar | 27 | 7,534 |
| Limon | 27 | 1,927 |
| Littleton | 31 | 44,396 |
| Lone Tree | 16 | 13,671 |
| Longmont | 38 | 93,933 |
| Louisville | 37 | 20,801 |
| Loveland | 29 | 78,000 |
| Lyons | 31 | 2,148 |
| Mancos | 22 | 1,400 |
| Milliken | 15 | 6,900 |
| Monte Vista | 23 | 4,600 |
| Montrose | 29 | 19,015 |
| Monument | 24 | 6,600 |
| New Castle | 14 | 4,500 |
| Northglenn | 28 | 38,648 |
| Olathe | 26 | 1,800 |
| Olney Springs | 13 | 332 |
| Ordway | 15 | 1,049 |
| Parker | 25 | 51,000 |
| Peterson AFB | 24 | 13,466 |
| Platteville | 14 | 2,956 |
| Poncha Springs | 8 | 774 |
| Pueblo | 38 | 109,000 |
| Rocky Ford | 26 | 3,816 |
| Salida | 31 | 5,400 |
| Schriever AFB | 20 | 7,000 |
| Silt | 20 | 3,100 |
| Springfield | 27 | 1,378 |
| Steamboat Springs | 27 | 12,088 |
| Sterling | 30 | 14,677 |
| Superior | 15 | 13,155 |
| Swink | 20 | 592 |
| Thornton | 31 | 130,000 |
| Trinidad | 6 | 8,103 |
| USAF Academy | 25 | 6,046 |
| Westminster | 33 | 113,130 |
| Wheat Ridge | 39 | 31,500 |
| Windsor | 37 | 25,000 |