Colorado White Alone Voting-age Population By County in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, as at April 2020, among all the Colorado voting-age population (18 years and over), there were 3,308,162 people who identified their race as White Alone, which is 73.36% of the total voting-age population of Colorado.

El Paso County had the highest number of White Alone voting-age population (410,519), followed by Jefferson County (380,075), and Denver County (373,090).

On the other hand, the three counties with low number of White Alone voting-age population were: San Juan County (534), Hinsdale County (605), and Mineral County (714).

In terms of the percentage of each county's voting-age population, Mineral County had the highest percentage, with 92.37% of its voting-age population identifying their race as White Alone, followed by Hinsdale County (92.09%), and Custer County (91.84%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Colorado.

Hover over or click on the counties to see the number and percentage of each county's voting-age population that identified as White Alone. The data can also be filtered, sorted, and explored further in a table below.

Colorado White Alone Voting-age Population By County in Census 2020
Colorado White Alone Voting-age Population By County in Census 2020
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County White Alone Voting-age Population % of County Voting-age Population
Adams County 227309 58.85
Alamosa County 7987 63.67
Arapahoe County 319400 63.67
Archuleta County 9082 82.96
Baca County 2429 88.23
Bent County 3215 67.76
Boulder County 213690 79.55
Broomfield County 45316 78.24
Chaffee County 14213 86.29
Cheyenne County 1195 89.31
Clear Creek County 7164 89.43
Conejos County 3639 65.98
Costilla County 1580 54.88
Crowley County 3272 61.92
Custer County 3670 91.84
Delta County 21297 85.21
Denver County 373090 64.21
Dolores County 1687 87.68
Douglas County 219635 82.57
Eagle County 31912 73.76
Elbert County 18141 88.95
El Paso County 410519 73.48
Fremont County 33682 81.74
Garfield County 33002 71.49
Gilpin County 4327 88.02
Grand County 11672 89.17
Gunnison County 12339 87.96
Hinsdale County 605 92.09
Huerfano County 4313 75.38
Jackson County 1008 88.65
Jefferson County 380075 81.03
Kiowa County 1000 90.99
Kit Carson County 4392 82.79
Lake County 4160 70.70
La Plata County 36996 81.72
Larimer County 243954 84.32
Las Animas County 8541 70.92
Lincoln County 3409 76.01
Logan County 14029 80.48
Mesa County 103339 83.98
Mineral County 714 92.37
Moffat County 8376 83.82
Montezuma County 15742 76.93
Montrose County 27186 80.89
Morgan County 14719 68.81
Otero County 10085 70.44
Ouray County 3826 91.47
Park County 13030 89.28
Phillips County 2690 79.09
Pitkin County 12482 86.20
Prowers County 6335 70.70
Pueblo County 87663 66.99
Rio Blanco County 4302 87.99
Rio Grande County 6455 72.05
Routt County 17865 89.06
Saguache County 3507 68.82
San Juan County 534 89.00
San Miguel County 5672 87.06
Sedgwick County 1672 87.08
Summit County 21225 82.10
Teller County 18230 88.74
Washington County 3315 89.07
Weld County 176565 73.01
Yuma County 5687 77.69