Ranking of California Counties By Percentage of Population that are Asian Alone in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, among all California counties, Santa Clara County had the highest percentage of its population who identified their race as Asian Alone (40.53%), followed by San Francisco County (37.15%), and Alameda County (33.35%).
The chart below shows the top 10 counties, and the table below shows the ranking of all California counties.
You can see similar ranking information for other racial and ethnicity groups in the United States.
You can also see similar information for other states, and also the ranking of all counties in the United States.
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Related Topics: California Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of California Counties By Percentage of Pop. that are
Asian Alone in 2021
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Santa Clara County | 40.53 |
| 2 | San Francisco County | 37.15 |
| 3 | Alameda County | 33.35 |
| 4 | San Mateo County | 31.68 |
| 5 | Orange County | 22.75 |
| 6 | Contra Costa County | 19.36 |
| 7 | San Joaquin County | 18.79 |
| 8 | Sutter County | 17.94 |
| 9 | Sacramento County | 17.85 |
| 10 | Solano County | 16.85 |
| 11 | Los Angeles County | 15.83 |
| 12 | Yolo County | 14.69 |
| 13 | San Diego County | 12.98 |
| 14 | Fresno County | 11.83 |
| 15 | Placer County | 9.15 |
| 16 | Napa County | 9.14 |
| 17 | San Bernardino County | 8.74 |
| 18 | Ventura County | 8.07 |
| 19 | Yuba County | 7.92 |
| 20 | Merced County | 7.69 |
| 21 | Riverside County | 7.61 |
| 22 | Marin County | 6.83 |
| 23 | Monterey County | 6.68 |
| 24 | Stanislaus County | 6.39 |
| 25 | Santa Barbara County | 5.73 |
| 26 | Kern County | 5.68 |
| 27 | Butte County | 5.36 |
| 28 | El Dorado County | 5.29 |
| 29 | San Benito County | 4.77 |
| 29 | Sonoma County | 4.77 |
| 30 | Santa Cruz County | 4.76 |
| 31 | Kings County | 4.39 |
| 32 | Tulare County | 4.19 |
| 33 | San Luis Obispo County | 4.08 |
| 34 | Del Norte County | 3.38 |
| 35 | Shasta County | 3.37 |
| 36 | Glenn County | 3.03 |
| 37 | Humboldt County | 3 |
| 38 | Madera County | 2.78 |
| 39 | Mendocino County | 2.35 |
| 40 | Mono County | 2.25 |
| 40 | Trinity County | 2.25 |
| 41 | Imperial County | 2.16 |
| 42 | Calaveras County | 2.08 |
| 43 | Alpine County | 1.87 |
| 44 | Amador County | 1.83 |
| 45 | Inyo County | 1.79 |
| 46 | Lassen County | 1.75 |
| 47 | Mariposa County | 1.74 |
| 47 | Siskiyou County | 1.74 |
| 48 | Nevada County | 1.65 |
| 49 | Colusa County | 1.59 |
| 50 | Tuolumne County | 1.58 |
| 51 | Lake County | 1.47 |
| 51 | Tehama County | 1.47 |
| 52 | Modoc County | 1.38 |
| 53 | Plumas County | 1.06 |
| 54 | Sierra County | 0.88 |
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