California 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 California was 3,196,310 and represented 9.66% of the total California citizen population.

Among all California counties, Los Angeles had the highest Non-Hispanic White Alone citizen population (2.57M), followed by San Diego (1.46M), and Orange (1.28M).

In terms of percentages, Sierra had the highest percentage of its citizen population being Non-Hispanic White Alone (90.02%), followed by Nevada (87.72%), and Plumas (85.97%).

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:
California Non-Hispanic White Alone Citizen Population By County in 2015
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County Citizen Population % of County Citizen Population
Los Angeles 2572650 31.14
San Diego 1460800 51.47
Orange 1283475 48.42
Riverside 850505 42.03
Sacramento 663775 49.80
San Bernardino 642115 34.58
Santa Clara 591490 38.45
Alameda 505055 37.38
Contra Costa 491900 50.66
Ventura 388990 52.82
San Francisco 326025 44.93
Sonoma 316600 70.79
Kern 314380 42.10
Fresno 294945 35.62
San Mateo 291185 45.91
Placer 269585 77.03
San Joaquin 240365 38.75
Stanislaus 231175 49.84
Santa Barbara 196990 53.26
San Luis Obispo 190785 73.41
Marin 180580 77.57
Solano 167980 43.36
Butte 162990 75.97
Santa Cruz 153630 64.55
Shasta 143965 82.44
El Dorado 142355 81.83
Tulare 138060 36.12
Monterey 132070 39.34
Humboldt 101840 77.90
Yolo 97285 53.38
Nevada 83800 87.72
Merced 77500 34.97
Napa 73725 61.03
Mendocino 57915 72.16
Madera 55165 42.98
Kings 50890 38.49
Lake 46165 75.68
Sutter 45545 54.08
Tehama 44230 73.24
Tuolumne 43575 82.41
Yuba 41730 60.88
Calaveras 36470 83.74
Siskiyou 34040 79.76
Amador 29305 81.23
Imperial 22255 15.15
Lassen 21470 69.20
San Benito 20675 41.05
Del Norte 17535 65.05
Plumas 15840 85.97
Glenn 14990 60.87
Mariposa 14335 83.66
Inyo 11840 68.46
Trinity 10985 85.29
Mono 9180 75.74
Colusa 7985 44.17
Modoc 7080 81.10
Sierra 2660 90.02
Alpine 725 65.02