Population
|
County
|
731,847
|
El Paso
|
717,630
|
Denver
|
655,112
|
Arapahoe
|
582,928
|
Jefferson
|
520,163
|
Adams
|
360,102
|
Douglas
|
359,686
|
Larimer
|
331,358
|
Weld
|
330,811
|
Boulder
|
168,467
|
Pueblo
|
155,939
|
Mesa
|
74,513
|
Broomfield
|
61,776
|
Garfield
|
55,665
|
Eagle
|
55,642
|
La Plata
|
48,981
|
Fremont
|
|
Population
|
County
|
42,798
|
Montrose
|
31,232
|
Delta
|
30,971
|
Summit
|
29,065
|
Morgan
|
26,206
|
Elbert
|
25,858
|
Montezuma
|
24,839
|
Routt
|
24,726
|
Teller
|
21,495
|
Logan
|
19,571
|
Chaffee
|
18,667
|
Otero
|
17,421
|
Park
|
17,342
|
Pitkin
|
16,945
|
Gunnison
|
16,362
|
Alamosa
|
15,733
|
Grand
|
|
Population
|
County
|
14,564
|
Las Animas
|
13,424
|
Archuleta
|
13,267
|
Moffat
|
11,986
|
Prowers
|
11,538
|
Rio Grande
|
9,979
|
Yuma
|
9,404
|
Clear Creek
|
8,055
|
San Miguel
|
7,464
|
Conejos
|
7,409
|
Lake
|
7,064
|
Kit Carson
|
6,810
|
Huerfano
|
6,518
|
Rio Blanco
|
6,383
|
Saguache
|
5,893
|
Crowley
|
5,810
|
Gilpin
|
|
Population
|
County
|
5,669
|
Lincoln
|
5,635
|
Bent
|
4,869
|
Ouray
|
4,815
|
Washington
|
4,712
|
Custer
|
4,534
|
Phillips
|
3,506
|
Costilla
|
3,486
|
Baca
|
2,390
|
Sedgwick
|
2,338
|
Dolores
|
1,736
|
Cheyenne
|
1,452
|
Kiowa
|
1,376
|
Jackson
|
867
|
Mineral
|
794
|
Hinsdale
|
710
|
San Juan
|
|