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2017 Tree City USA
Communities in Colorado

Updated June, 2017
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