Colorado Non-Hispanic White Alone Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic White Alone citizen voting-age population for Colorado was 2,548,850 and represented 64.05% of the total Colorado citizen voting-age population.

Among all Colorado counties, El Paso had the highest Non-Hispanic White Alone citizen voting-age population (374.19K), followed by Jefferson (363.21K), and Denver (320.34K).

In terms of percentages, Dolores had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (95.92%), followed by Ouray (93.84%), and Pitkin (92.90%).

The chart and table below shows the Non-Hispanic White Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic White Alone.

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

You can also see similar information for other ethnicities.

See this for other years:
Colorado Non-Hispanic White Alone Citizen Voting-age Population By County in 2018
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County Citizen Voting-age Population % of County Citizen Voting-age Population
El Paso 374185 75.12
Jefferson 363210 82.93
Denver 320340 65.33
Arapahoe 307505 70.65
Larimer 227780 87.27
Boulder 203715 84.94
Douglas 199100 86.68
Adams 198115 62.95
Weld 150705 75.03
Mesa 98105 85.88
Pueblo 70945 57.27
Broomfield 39360 82.43
La Plata 36025 82.07
Garfield 31715 84.88
Fremont 31005 80.44
Eagle 29705 84.75
Montrose 25575 82.62
Summit 21395 91.45
Delta 20225 86.41
Routt 18050 92.38
Teller 17725 90.99
Elbert 17670 91.06
Montezuma 15380 77.33
Chaffee 13870 87.23
Logan 13700 83.90
Morgan 13180 72.24
Park 13040 92.19
Pitkin 12825 92.90
Gunnison 12025 91.13
Grand 10910 91.91
Archuleta 8355 80.65
Otero 8075 60.53
Moffat 8020 86.24
Clear Creek 6970 91.17
Alamosa 6405 54.74
Las Animas 6375 57.30
Yuma 5845 88.97
Prowers 5760 70.46
San Miguel 5600 91.95
Rio Grande 4800 57.87
Kit Carson 4650 86.75
Lake 4470 76.87
Gilpin 4275 86.80
Rio Blanco 4195 89.45
Ouray 3730 93.84
Huerfano 3660 67.53
Custer 3365 87.74
Washington 3310 90.93
Bent 3130 66.67
Saguache 3060 66.09
Crowley 3040 65.31
Lincoln 2730 64.39
Conejos 2525 43.50
Phillips 2510 87.61
Baca 2430 88.53
Sedgwick 1485 83.90
Dolores 1410 95.92
Cheyenne 1100 86.61
Costilla 1025 36.41
Kiowa 930 90.29
Jackson 895 89.50
Hinsdale 680 92.52
Mineral 680 91.28
San Juan 420 88.42