California Asian Alone Voting-age Population By County in Census 2020

Updated on August 25, 2023.

According to the data from the US 2020 decennial Census, as at April 2020, among all the California voting-age population (18 years and over), there were 4,970,407 people who identified their race as Asian Alone, which is 16.12% of the total voting-age population of California.

Los Angeles County had the highest number of Asian Alone voting-age population (1,275,190), followed by Santa Clara County (607,328), and Orange County (574,345).

On the other hand, the three counties with low number of Asian Alone voting-age population were: Sierra County (7), Alpine County (11), and Modoc County (61).

In terms of the percentage of each county's voting-age population, Santa Clara County had the highest percentage, with 39.70% of its voting-age population identifying their race as Asian Alone, followed by San Francisco County (34.54%), and Alameda County (32.49%).

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 California.

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

California Asian Alone Voting-age Population By County in Census 2020
California Asian Alone Voting-age Population By County in Census 2020
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County Asian Alone Voting-age Population % of County Voting-age Population
Alameda County 434901 32.49
Alpine County 11 1.09
Amador County 498 1.46
Butte County 7963 4.73
Calaveras County 652 1.75
Colusa County 234 1.49
Contra Costa County 172070 19.06
Del Norte County 585 2.65
El Dorado County 7148 4.70
Fresno County 83051 11.37
Glenn County 488 2.27
Humboldt County 2751 2.51
Imperial County 2509 1.90
Inyo County 238 1.57
Kern County 36554 5.61
Kings County 4817 4.30
Lake County 834 1.54
Lassen County 422 1.55
Los Angeles County 1275190 16.02
Madera County 3012 2.66
Marin County 13938 6.66
Mariposa County 252 1.78
Mendocino County 1502 2.07
Merced County 15652 7.82
Modoc County 61 0.88
Mono County 146 1.38
Monterey County 22187 6.77
Napa County 8692 7.87
Nevada County 1225 1.45
Orange County 574345 22.80
Placer County 27069 8.65
Plumas County 140 0.86
Riverside County 137554 7.54
Sacramento County 214835 17.65
San Benito County 1950 4.07
San Bernardino County 146663 9.00
San Diego County 337925 12.95
San Francisco County 262748 34.54
San Joaquin County 104000 18.14
San Luis Obispo County 9169 3.96
San Mateo County 189810 31.10
Santa Barbara County 23497 6.70
Santa Clara County 607328 39.70
Santa Cruz County 11327 5.15
Shasta County 4619 3.22
Sierra County 7 0.26
Siskiyou County 700 1.97
Solano County 60199 16.97
Sonoma County 19381 4.93
Stanislaus County 26519 6.50
Sutter County 14057 18.85
Tehama County 839 1.68
Trinity County 1817 13.54
Tulare County 12991 3.92
Tuolumne County 694 1.50
Ventura County 53171 8.10
Yolo County 25336 14.79
Yuba County 4134 6.94