Ranking of California Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.32M people in California with Irish ancestry (5.88% of California population). Among all California counties, Mariposa County had the highest percentage of its population with Irish ancestry (18.63%), followed by Calaveras County (14.73%), and Tuolumne County (14.66%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in California.
You may also be interested in:
Related Topics: California ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of California Counties By Percentage of Population with Irish Ancestry in 2021
25
0 of 0
| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Mariposa County | 18.63 |
| 2 | Calaveras County | 14.73 |
| 3 | Tuolumne County | 14.66 |
| 4 | Amador County | 13.57 |
| 5 | Modoc County | 12.89 |
| 6 | Marin County | 12.56 |
| 6 | Siskiyou County | 12.56 |
| 7 | San Luis Obispo County | 12.36 |
| 8 | Sonoma County | 12.19 |
| 9 | Alpine County | 11.83 |
| 10 | Shasta County | 11.75 |
| 11 | El Dorado County | 11.45 |
| 12 | Nevada County | 11.39 |
| 13 | Trinity County | 11.08 |
| 14 | Mono County | 11.03 |
| 15 | Mendocino County | 10.77 |
| 16 | Humboldt County | 10.68 |
| 17 | Santa Cruz County | 10.57 |
| 18 | Butte County | 10.46 |
| 19 | Placer County | 10.43 |
| 20 | Tehama County | 10.38 |
| 21 | Lake County | 10.28 |
| 22 | Sierra County | 9.87 |
| 23 | Plumas County | 9.85 |
| 24 | Del Norte County | 9.42 |
| 25 | Yuba County | 8.69 |
| 26 | Sutter County | 8.65 |
| 27 | Inyo County | 8.46 |
| 28 | Napa County | 8.29 |
| 29 | Lassen County | 8.26 |
| 30 | Yolo County | 7.76 |
| 31 | Contra Costa County | 7.67 |
| 31 | Ventura County | 7.67 |
| 32 | San Francisco County | 7.59 |
| 33 | San Diego County | 7.41 |
| 34 | Santa Barbara County | 7.34 |
| 35 | Colusa County | 7.25 |
| 36 | Sacramento County | 6.92 |
| 37 | San Mateo County | 6.90 |
| 38 | Madera County | 6.52 |
| 39 | Solano County | 6.48 |
| 40 | Orange County | 6.24 |
| 41 | Stanislaus County | 6.15 |
| 42 | San Benito County | 6.12 |
| 43 | Riverside County | 5.58 |
| 44 | Alameda County | 5.54 |
| 45 | San Joaquin County | 5.39 |
| 46 | Glenn County | 5.20 |
| 47 | San Bernardino County | 5.05 |
| 48 | Fresno County | 4.77 |
| 49 | Santa Clara County | 4.69 |
| 50 | Kern County | 4.61 |
| 51 | Monterey County | 4.58 |
| 52 | Merced County | 4.09 |
| 53 | Kings County | 3.87 |
| 54 | Tulare County | 3.76 |
| 55 | Los Angeles County | 3.64 |
| 56 | Imperial County | 1.82 |
Popular Topics:
Find us
Copyright © Beautify Data LLC. All Rights Reserved.