2014 Tree City USA
Communities in Colorado

Updated June, 2015
City Years Population
Alamosa 25 9,018
Arvada 24 108,000
Aspen 23 6,548
Aurora 31 325,078
Basalt 4 3,857
Berthoud 32 5,267
Boulder 31 103,166
Brighton 29 35,300
Broomfield 26 61,474
Brush 25 5,400
Buckley AFB 10 12,838
Buena Vista 26 2,600
Campo 11 109
Canon City 35 16,000
Carbondale 21 6,553
Castle Rock 28 53,466
Cedaredge 21 2,300
Cherry Hills Village 9 6,500
Colorado Springs 38 439,886
Commerce City 24 42,000
Cortez 23 8,600
Crested Butte 14 1,500
Delta 31 8,900
Denver 29 649,000
Dillon 17 904
Durango 35 16,887
Eads 21 750
Edgewater 23 5,200
Elizabeth 16 1,378
Englewood 30 31,000
Erie 17 21,500
Estes Park 18 5,858
Evans 31 19,000
Florence 31 3,887
Fort Carson 28 75,000
Fort Collins 37 155,400
Frederick 1 10,196
Fruita 22 12,600
Glenwood Springs 30 10,000
Golden 25 19,000
Grand Junction 32 59,800
Grand Lake 25 471
Greeley 35 100,600
Greenwood Village 26 14,454
Gunnison 25 5,854
Hayden 10 1,850
Highlands Ranch 27 95,000
Ken-Caryl Ranch 25 12,950
La Junta 34 6,966
La Veta 29 875
Lafayette 20 26,629
Lake City 27 398
Lakewood 33 143,000
Lamar 24 7,804
Limon 24 1,857
Littleton 28 43,755
Lone Tree 13 12,720
Longmont 35 90,219
Louisville 34 19,588
Loveland 26 68,000
Lyons 28 2,033
Mancos 19 1,334
Milliken 12 6,200
Monte Vista 20 4,600
Montrose 26 19,000
Monument 21 5,800
New Castle 11 4,551
Northglenn 25 35,789
Olathe 23 1,800
Olney Springs 10 350
Ordway 12 1,038
Palmer Lake 33 2,513
Parker 22 45,300
Peterson AFB 21 13,466
Platteville 11 2,500
Pleasant View 13 4,388
Poncha Springs 5 744
Pueblo 35 108,249
Rocky Ford 23 3,981
Saguache 26 493
Salida 28 5,300
Schriever AFB 17 7,700
Silt 17 3,000
Springfield 24 1,413
Steamboat Springs 24 12,088
Sterling 27 14,637
Superior 12 12,500
Swink 17 611
Thornton 28 122,000
Trinidad 3 8,465
USAF Academy 22 6,049
Westminster 30 109,456
Wheat Ridge 36 30,116
Windsor 34 22,000
Woodland Park 23 7,200