Local Data Search
A total of 58 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 24.9% | Modoc, CA / 9,335 |
| 2. | 19.9% | Plumas, CA / 19,286 |
| 3. | 19.5% | Calaveras, CA / 44,921 |
| 4. | 18.2% | Lassen, CA / 33,356 |
| 5. | 17.6% | Nevada, CA / 98,606 |
| 6. | 17.6% | Tuolumne, CA / 54,347 |
| 7. | 17.0% | Siskiyou, CA / 44,261 |
| 8. | 16.7% | Lake, CA / 64,209 |
| 9. | 16.5% | Sierra, CA / 3,019 |
| 10. | 16.4% | Trinity, CA / 13,515 |
| 11. | 16.1% | Amador, CA / 37,159 |
| 12. | 15.2% | Mariposa, CA / 17,946 |
| 13. | 15.2% | Placer, CA / 361,518 |
| 14. | 14.9% | Shasta, CA / 178,520 |
| 15. | 14.9% | Butte, CA / 221,578 |
| 16. | 14.8% | El Dorado, CA / 181,465 |
| 17. | 14.7% | Marin, CA / 256,802 |
| 18. | 14.5% | Del Norte, CA / 28,066 |
| 19. | 14.2% | Tehama, CA / 63,284 |
| 20. | 13.9% | Sonoma, CA / 491,790 |
| 21. | 13.7% | Yuba, CA / 73,059 |
| 22. | 13.6% | San Luis Obispo, CA / 274,184 |
| 23. | 13.5% | Humboldt, CA / 134,876 |
| 24. | 13.0% | Mono, CA / 14,193 |
| 25. | 12.5% | Inyo, CA / 18,439 |
| 26. | 12.3% | Mendocino, CA / 87,612 |
| 27. | 11.6% | Santa Cruz, CA / 267,203 |
| 28. | 10.6% | Napa, CA / 139,253 |
| 29. | 10.5% | Glenn, CA / 28,019 |
| 30. | 10.4% | San Benito, CA / 56,888 |
| 31. | 10.3% | Sutter, CA / 95,067 |
| 32. | 9.8% | Contra Costa, CA / 1,081,232 |
| 33. | 9.7% | Yolo, CA / 204,162 |
| 34. | 9.4% | Ventura, CA / 835,790 |
| 35. | 9.3% | San Diego, CA / 3,183,143 |
| 36. | 9.3% | Sacramento, CA / 1,450,277 |
| 37. | 8.9% | San Francisco, CA / 829,072 |
| 38. | 8.8% | Santa Barbara, CA / 431,555 |
| 39. | 8.8% | Alpine, CA / 1,202 |
| 40. | 8.7% | San Mateo, CA / 739,837 |
| 41. | 8.0% | Orange, CA / 3,086,331 |
| 42. | 7.8% | Stanislaus, CA / 522,794 |
| 43. | 7.8% | Kern, CA / 857,730 |
| 44. | 7.8% | Solano, CA / 421,624 |
| 45. | 7.3% | Riverside, CA / 2,266,899 |
| 46. | 7.1% | San Joaquin, CA / 701,050 |
| 47. | 7.1% | Colusa, CA / 21,424 |
| 48. | 6.8% | Alameda, CA / 1,559,308 |
| 49. | 6.2% | Madera, CA / 152,452 |
| 50. | 6.2% | San Bernardino, CA / 2,078,586 |
| 51. | 5.9% | Kings, CA / 151,390 |
| 52. | 5.9% | Santa Clara, CA / 1,841,569 |
| 53. | 5.8% | Monterey, CA / 424,927 |
| 54. | 5.8% | Fresno, CA / 948,844 |
| 55. | 4.4% | Los Angeles, CA / 9,974,203 |
| 56. | 4.0% | Merced, CA / 261,609 |
| 57. | 3.9% | Tulare, CA / 451,108 |
| 58. | 2.4% | Imperial, CA / 177,026 |
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.