Ranking of California Counties By Percentage of Population with English Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.23M people in California with English ancestry (5.64% of California population). Among all California counties, Mariposa County had the highest percentage of its population with English ancestry (17.15%), followed by Calaveras County (15.58%), and Tuolumne County (14.84%).
The chart and table below shows the top 10 counties with high percentage of its population having English ancestry.
You can see similar information for other states and for other ancestry groups in California.
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Related Topics: California ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of California Counties By Percentage of Population with English Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Mariposa County | 17.15 |
| 2 | Calaveras County | 15.58 |
| 3 | Tuolumne County | 14.84 |
| 4 | Nevada County | 14.64 |
| 5 | Amador County | 14.40 |
| 6 | Siskiyou County | 13.97 |
| 7 | Plumas County | 13.34 |
| 8 | Sierra County | 13.25 |
| 9 | Placer County | 13.12 |
| 10 | San Luis Obispo County | 12.99 |
| 11 | Marin County | 12.97 |
| 12 | El Dorado County | 12.53 |
| 13 | Alpine County | 12.43 |
| 14 | Tehama County | 11.85 |
| 15 | Modoc County | 11.68 |
| 16 | Shasta County | 11.24 |
| 17 | Lake County | 11.07 |
| 18 | Sonoma County | 10.94 |
| 19 | Butte County | 10.79 |
| 20 | Humboldt County | 10.34 |
| 21 | Santa Cruz County | 9.96 |
| 22 | Del Norte County | 9.68 |
| 23 | Mendocino County | 9.36 |
| 24 | Mono County | 9.07 |
| 25 | Napa County | 8.97 |
| 26 | Lassen County | 8.58 |
| 27 | Inyo County | 8.40 |
| 28 | Trinity County | 8.31 |
| 29 | Yolo County | 8.13 |
| 30 | Yuba County | 8.06 |
| 31 | Santa Barbara County | 7.62 |
| 32 | Glenn County | 7.60 |
| 33 | Ventura County | 7.54 |
| 34 | Sutter County | 7.44 |
| 35 | Contra Costa County | 7.38 |
| 36 | Sacramento County | 7.11 |
| 37 | San Diego County | 6.72 |
| 38 | Orange County | 6.65 |
| 38 | San Benito County | 6.65 |
| 39 | Stanislaus County | 5.99 |
| 40 | San Mateo County | 5.76 |
| 41 | Riverside County | 5.75 |
| 42 | Solano County | 5.53 |
| 43 | Colusa County | 5.51 |
| 44 | San Francisco County | 5.47 |
| 45 | Monterey County | 5.43 |
| 46 | Madera County | 5.32 |
| 47 | Alameda County | 4.98 |
| 48 | Kern County | 4.93 |
| 49 | San Joaquin County | 4.79 |
| 50 | Santa Clara County | 4.66 |
| 51 | Fresno County | 4.43 |
| 52 | Kings County | 4.32 |
| 53 | Tulare County | 4.06 |
| 54 | San Bernardino County | 3.94 |
| 55 | Los Angeles County | 3.35 |
| 56 | Merced County | 2.97 |
| 57 | Imperial County | 1.44 |