Colorado Citizen Population By County in 2014 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2014, the citizen population for Colorado was 4,882,770 and represented 93.94% of the total Colorado population.

Among all Colorado counties, El Paso had the highest citizen population (622.87K), followed by Denver (565.55K), and Arapahoe (544.13K).

In terms of percentages, Hinsdale had the highest percentage of its population being citizens (100.00%), followed by Mineral (100.00%), and Dolores (99.71%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

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Colorado Citizen Population By County in 2014
Colorado Citizen Population By County in 2014
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County Citizen Population % of County Population
El Paso 622865 96.46
Denver 565555 89.24
Arapahoe 544125 91.19
Jefferson 528075 96.69
Adams 412750 89.43
Larimer 301640 96.86
Douglas 290380 96.86
Boulder 285695 93.62
Weld 250140 94.37
Pueblo 156545 97.38
Mesa 144510 97.97
Broomfield 56495 95.71
La Plata 51615 98.23
Garfield 49710 87.70
Fremont 45325 96.68
Eagle 44645 85.47
Montrose 38970 95.32
Delta 29600 97.43
Summit 26135 91.77
Morgan 25545 90.14
Montezuma 25050 97.97
Teller 23160 99.12
Elbert 22850 97.05
Routt 22690 96.84
Logan 21530 95.24
Otero 17890 95.62
Chaffee 17735 97.88
Pitkin 15945 92.14
Park 15830 97.87
Alamosa 15175 94.20
Gunnison 15130 97.58
Las Animas 14490 97.97
Grand 14085 97.27
Moffat 12875 96.91
Archuleta 11815 97.40
Prowers 11425 92.44
Rio Grande 11340 95.78
Yuma 9410 92.89
Clear Creek 8890 97.53
Conejos 8060 97.40
Kit Carson 7525 92.67
San Miguel 7155 94.21
Lake 6640 90.83
Rio Blanco 6450 95.70
Huerfano 6445 98.40
Saguache 5780 93.08
Bent 5760 96.00
Gilpin 5495 98.92
Crowley 5240 94.25
Lincoln 5190 95.06
Washington 4665 97.59
Ouray 4450 98.23
Custer 4210 98.48
Phillips 4035 92.02
Baca 3660 97.99
Costilla 3430 95.81
Sedgwick 2305 97.46
Cheyenne 2030 94.20
Dolores 1730 99.71
Kiowa 1375 97.87
Jackson 1290 92.81
Hinsdale 870 100.00
Mineral 705 100.00
San Juan 640 97.71