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2015 Tree City USA
Communities in Colorado

Updated June, 2015
City Years Population
Alamosa 27 9,285
Arvada 26 113,326
Aspen 25 6,728
Aurora 33 325,078
Basalt 6 3,857
Berthoud 34 5,500
Boulder 33 107,167
Brighton 31 36,571
Broomfield 28 68,436
Brush 27 5,476
Buckley AFB 12 26,000
Buena Vista 28 2,700
Campo 13 107
Canon City 37 16,000
Carbondale 23 6,702
Castle Rock 30 59,933
Cedaredge 23 2,300
Cherry Hills Village 11 6,000
Colorado Springs 40 439,706
Commerce City 26 50,000
Cortez 25 8,000
Crested Butte 16 1,500
Delta 33 8,900
Denver 31 664,220
Durango 37 18,006
Eads 23 609
Edgewater 25 5,255
Elizabeth 18 1,500
Englewood 32 32,000
Erie 19 23,000
Estes Park 20 5,000
Evans 33 21,400
Florence 33 3,887
Fort Carson 30 68,474
Fort Collins 39 161,000
Frederick 3 11,105
Fruita 24 12,600
Glenwood Springs 32 10,000
Golden 27 19,500
Grand Junction 34 59,788
Grand Lake 27 498
Greeley 37 103,037
Greenwood Village 28 14,652
Gunnison 27 5,873
Hayden 12 1,850
Highlands Ranch 29 96,000
Ken-Caryl Ranch 27 12,950
La Junta 36 7,079
La Veta 31 765
Lafayette 22 28,278
Lake City 29 400
Lakewood 35 143,000
Lamar 26 7,776
Limon 26 1,888
Littleton 30 44,396
Lone Tree 15 12,779
Longmont 37 92,852
Louisville 36 19,588
Loveland 28 75,000
Lyons 30 1,950
Mancos 21 1,407
Milliken 14 6,250
Monte Vista 22 4,600
Montrose 28 19,015
Monument 23 5,742
New Castle 13 4,518
Northglenn 27 38,648
Olathe 25 1,800
Olney Springs 12 328
Ordway 14 1,038
Palmer Lake 35 2,513
Parker 24 50,600
Peterson AFB 23 13,466
Platteville 13 2,656
Poncha Springs 7 774
Pueblo 37 108,500
Rocky Ford 25 3,912
Saguache 28 485
Salida 30 5,300
Schriever AFB 19 7,072
Silt 19 3,010
Springfield 26 1,419
Steamboat Springs 26 12,088
Sterling 29 14,677
Superior 14 13,000
Swink 19 610
Thornton 30 130,000
Trinidad 5 8,113
USAF Academy 24 6,031
Westminster 32 113,130
Wheat Ridge 38 33,000
Windsor 36 24,500
Woodland Park 25 7,200