Colorado Population by County
year 2000
Colorado Population by County
year 2000
Area
Population
Denver County
554,636
Jefferson County
527,056
El Paso County
516,929
Arapahoe County
487,967
Adams County
363,857
Boulder County
291,288
Larimer County
251,494
Weld County
180,936
Douglas County
175,766
Pueblo County
141,472
Mesa County
116,255
Fremont County
46,145
La Plata County
43,941
Garfield County
43,791
Eagle County
41,659
Montrose County
33,432
Delta County
27,834
Morgan County
27,171
Montezuma County
23,830
Summit County
23,548
Teller County
20,555
Logan County
20,504
Otero County
20,311
Elbert County
19,872
Routt County
19,690
Chaffee County
16,242
Las Animas County
15,207
Alamosa County
14,966
Pitkin County
14,872
Park County
14,523
Prowers County
14,483
Gunnison County
13,956
Moffat County
13,184
Grand County
12,442
Rio Grande County
12,413
Archuleta County
9,898
Yuma County
9,841
Clear Creek County
9,322
Conejos County
8,400
Kit Carson County
8,011
Huerfano County
7,862
Lake County
7,812
San Miguel County
6,594
Lincoln County
6,087
Bent County
5,998
Rio Blanco County
5,986
Saguache County
5,917
Crowley County
5,518
Washington County
4,926
Gilpin County
4,757
Baca County
4,517
Phillips County
4,480
Ouray County
3,742
Costilla County
3,663
Custer County
3,503
Sedgwick County
2,747
Cheyenne County
2,231
Dolores County
1,844
Kiowa County
1,622
Jackson County
1,577
Mineral County
831
Hinsdale County
790
San Juan County
558