Local Data Search
A total of 58 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 25.2% | Trinity, CA / 13,701 |
| 2. | 24.1% | Mariposa, CA / 18,290 |
| 3. | 20.3% | Amador, CA / 38,327 |
| 4. | 20.2% | Nevada, CA / 98,186 |
| 5. | 20.0% | Modoc, CA / 9,605 |
| 6. | 19.7% | Lake, CA / 64,371 |
| 7. | 18.3% | Calaveras, CA / 45,994 |
| 8. | 18.0% | Del Norte, CA / 28,471 |
| 9. | 17.7% | Plumas, CA / 20,392 |
| 10. | 17.6% | Lassen, CA / 35,081 |
| 11. | 17.6% | Shasta, CA / 176,906 |
| 12. | 17.6% | Tuolumne, CA / 56,074 |
| 13. | 17.1% | Placer, CA / 336,477 |
| 14. | 16.9% | Tehama, CA / 62,575 |
| 15. | 16.7% | Siskiyou, CA / 44,690 |
| 16. | 16.4% | Marin, CA / 248,601 |
| 17. | 16.3% | El Dorado, CA / 179,053 |
| 18. | 15.7% | Butte, CA / 218,635 |
| 19. | 15.4% | Alpine, CA / 1,176 |
| 20. | 15.3% | Inyo, CA / 18,434 |
| 21. | 14.9% | Sonoma, CA / 474,047 |
| 22. | 14.8% | Humboldt, CA / 133,058 |
| 23. | 14.6% | Mendocino, CA / 87,487 |
| 24. | 14.1% | Mono, CA / 13,905 |
| 25. | 13.9% | Sierra, CA / 3,366 |
| 26. | 13.7% | San Luis Obispo, CA / 265,577 |
| 27. | 12.7% | Yuba, CA / 71,160 |
| 28. | 12.4% | Santa Cruz, CA / 256,901 |
| 29. | 11.6% | Napa, CA / 134,051 |
| 30. | 10.6% | Sutter, CA / 93,420 |
| 31. | 10.4% | Contra Costa, CA / 1,024,809 |
| 32. | 10.4% | Glenn, CA / 27,935 |
| 33. | 10.3% | Sacramento, CA / 1,395,144 |
| 34. | 10.1% | San Diego, CA / 3,022,468 |
| 35. | 10.0% | Santa Barbara, CA / 416,051 |
| 36. | 10.0% | Yolo, CA / 196,418 |
| 36. | 10.0% | Ventura, CA / 809,080 |
| 38. | 9.5% | Stanislaus, CA / 509,682 |
| 39. | 9.1% | San Mateo, CA / 704,327 |
| 40. | 9.1% | San Benito, CA / 54,492 |
| 41. | 9.0% | Orange, CA / 2,965,525 |
| 42. | 8.9% | San Francisco, CA / 789,172 |
| 43. | 8.9% | Solano, CA / 410,042 |
| 44. | 8.4% | Kern, CA / 815,693 |
| 45. | 8.2% | Riverside, CA / 2,109,464 |
| 46. | 8.1% | Colusa, CA / 21,165 |
| 47. | 7.4% | Madera, CA / 147,738 |
| 48. | 7.4% | San Joaquin, CA / 673,613 |
| 49. | 7.4% | San Bernardino, CA / 2,005,287 |
| 50. | 7.2% | Monterey, CA / 407,435 |
| 51. | 7.1% | Kings, CA / 151,122 |
| 52. | 6.9% | Alameda, CA / 1,477,980 |
| 53. | 6.4% | Santa Clara, CA / 1,739,396 |
| 54. | 6.2% | Fresno, CA / 908,830 |
| 55. | 5.4% | Merced, CA / 250,699 |
| 56. | 5.1% | Tulare, CA / 429,404 |
| 57. | 4.6% | Los Angeles, CA / 9,758,256 |
| 58. | 2.8% | Imperial, CA / 168,052 |
Please note that we only rank locations with 'Irish as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Irish as First Ancestry Population Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.