2014 Tree City USA
Communities in Colorado

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