Population
|
County
|
730,395
|
El Paso
|
715,522
|
Denver
|
655,070
|
Arapahoe
|
582,910
|
Jefferson
|
519,572
|
Adams
|
359,066
|
Larimer
|
357,978
|
Douglas
|
330,758
|
Boulder
|
328,981
|
Weld
|
168,162
|
Pueblo
|
155,703
|
Mesa
|
74,112
|
Broomfield
|
61,685
|
Garfield
|
55,731
|
Eagle
|
55,638
|
La Plata
|
48,939
|
Fremont
|
42,679
|
Montrose
|
31,196
|
Delta
|
31,055
|
Summit
|
29,111
|
Morgan
|
26,062
|
Elbert
|
|
Population
|
County
|
25,849
|
Montezuma
|
24,829
|
Routt
|
24,710
|
Teller
|
21,528
|
Logan
|
19,476
|
Chaffee
|
18,690
|
Otero
|
17,390
|
Park
|
17,358
|
Pitkin
|
16,918
|
Gunnison
|
15,717
|
Grand
|
14,555
|
Las Animas
|
13,359
|
Archuleta
|
13,292
|
Moffat
|
11,999
|
Prowers
|
11,539
|
Rio Grande
|
9,988
|
Yuma
|
9,397
|
Clear Creek
|
8,072
|
San Miguel
|
7,461
|
Conejos
|
7,436
|
Lake
|
7,087
|
Kit Carson
|
|
Population
|
County
|
6,820
|
Huerfano
|
6,529
|
Rio Blanco
|
6,368
|
Saguache
|
5,922
|
Crowley
|
5,808
|
Gilpin
|
5,675
|
Lincoln
|
5,650
|
Bent
|
4,874
|
Ouray
|
4,817
|
Washington
|
4,704
|
Custer
|
4,530
|
Phillips
|
3,506
|
Baca
|
3,499
|
Costilla
|
2,404
|
Sedgwick
|
2,326
|
Dolores
|
1,748
|
Cheyenne
|
1,446
|
Kiowa
|
1,379
|
Jackson
|
865
|
Mineral
|
788
|
Hinsdale
|
705
|
San Juan
|
|