California 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 California was 2,548,850 and represented 10.10% of the total California citizen voting-age population.

Among all California counties, Los Angeles had the highest Non-Hispanic White Alone citizen voting-age population (2.16M), followed by San Diego (1.23M), and Orange (1.05M).

In terms of percentages, Sierra had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (90.20%), followed by Nevada (89.50%), and Plumas (86.81%).

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:
California 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
Los Angeles 2159405 34.43
San Diego 1230665 55.01
Orange 1052675 51.56
Riverside 695085 45.67
Sacramento 543165 52.86
San Bernardino 502775 37.30
Santa Clara 484255 41.38
Alameda 430435 40.23
Contra Costa 402425 53.46
Ventura 319060 57.19
San Francisco 297845 46.07
Sonoma 269895 75.81
Kern 242900 47.11
San Mateo 238545 47.89
Fresno 236085 40.63
Placer 220890 78.67
San Joaquin 192545 42.89
Stanislaus 182160 54.37
Santa Barbara 168055 59.66
San Luis Obispo 165235 76.14
Marin 149240 80.87
Solano 140710 45.97
Butte 136350 78.43
Santa Cruz 133075 69.73
El Dorado 117870 83.55
Shasta 114850 84.44
Monterey 110485 47.89
Tulare 106875 42.26
Humboldt 84810 80.47
Yolo 81975 56.72
Nevada 70645 89.50
Napa 63000 66.39
Merced 60165 40.35
Mendocino 48255 78.15
Madera 44620 48.88
Kings 39150 42.08
Lake 38035 79.57
Tuolumne 36630 82.99
Sutter 35475 58.28
Tehama 35205 77.85
Yuba 32630 65.03
Calaveras 30685 84.85
Siskiyou 27660 81.87
Amador 25495 81.94
Lassen 16850 67.01
San Benito 16810 45.19
Imperial 16350 15.93
Del Norte 14185 68.83
Plumas 13230 86.81
Mariposa 11905 85.04
Glenn 11565 68.47
Inyo 9805 71.78
Trinity 8925 86.19
Mono 7920 81.65
Colusa 6330 51.17
Modoc 5720 84.93
Sierra 2210 90.20
Alpine 580 64.80