Colorado Non-Hispanic White Alone Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the Non-Hispanic White Alone citizen population for Colorado was 3,196,310 and represented 64.41% of the total Colorado citizen population.

Among all Colorado counties, El Paso had the highest Non-Hispanic White Alone citizen population (458.59K), followed by Jefferson (430.64K), and Arapahoe (371.94K).

In terms of percentages, Hinsdale had the highest percentage of its citizen population being Non-Hispanic White Alone (97.14%), followed by Ouray (93.22%), and Custer (91.89%).

The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen 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 Population By County in 2015
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County Citizen Population % of County Citizen Population
El Paso 458590 72.49
Jefferson 430640 80.61
Arapahoe 371935 66.89
Denver 338510 58.45
Larimer 263905 85.52
Douglas 255745 86.17
Adams 243535 57.72
Boulder 238710 82.28
Weld 180530 70.32
Mesa 121275 83.69
Pueblo 85405 54.20
Broomfield 46755 80.81
La Plata 42065 80.75
Garfield 38895 77.14
Fremont 36635 79.83
Eagle 34365 76.55
Montrose 31035 79.85
Delta 24750 84.08
Summit 23375 87.91
Elbert 21005 90.58
Teller 20885 90.37
Routt 20795 91.67
Montezuma 18755 74.07
Logan 17165 82.50
Morgan 17045 66.34
Chaffee 15575 86.24
Pitkin 14550 90.82
Park 14375 91.15
Gunnison 13685 89.44
Grand 12600 90.32
Moffat 10795 85.34
Otero 10250 57.39
Archuleta 9310 78.67
Clear Creek 8185 91.50
Alamosa 8000 52.19
Yuma 7805 83.25
Las Animas 7650 54.05
Prowers 7500 67.05
San Miguel 6615 90.25
Rio Grande 6230 55.01
Kit Carson 6030 81.60
Rio Blanco 5680 86.65
Gilpin 4915 88.64
Lake 4340 64.92
Washington 4225 90.09
Ouray 4195 93.22
Huerfano 4150 64.29
Custer 3910 91.89
Lincoln 3760 72.80
Conejos 3570 44.18
Saguache 3475 60.49
Phillips 3430 83.15
Crowley 3395 63.40
Bent 3295 59.21
Baca 3205 87.93
Sedgwick 1890 81.82
Cheyenne 1690 87.79
Dolores 1685 90.84
Kiowa 1250 87.11
Costilla 1135 33.38
Jackson 1120 87.16
Hinsdale 850 97.14
Mineral 645 87.76
San Juan 475 79.83