Local Data Search
A total of 58 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 25.8% | Trinity, CA / 13,922 |
| 2. | 22.7% | Mariposa, CA / 17,865 |
| 3. | 21.7% | Amador, CA / 38,039 |
| 4. | 21.2% | Alpine, CA / 1,153 |
| 5. | 19.9% | Nevada, CA / 97,063 |
| 6. | 19.3% | Lake, CA / 64,756 |
| 7. | 18.5% | Calaveras, CA / 46,548 |
| 8. | 18.4% | Sierra, CA / 3,240 |
| 9. | 17.8% | Siskiyou, CA / 44,404 |
| 10. | 17.7% | Shasta, CA / 179,387 |
| 11. | 17.7% | Tuolumne, CA / 55,761 |
| 12. | 17.6% | Modoc, CA / 9,162 |
| 13. | 17.0% | Placer, CA / 332,059 |
| 13. | 17.0% | Marin, CA / 246,711 |
| 15. | 16.9% | Del Norte, CA / 28,729 |
| 16. | 16.4% | Plumas, CA / 20,550 |
| 17. | 16.4% | El Dorado, CA / 175,941 |
| 18. | 15.9% | Tehama, CA / 60,601 |
| 19. | 15.9% | Butte, CA / 217,917 |
| 20. | 15.7% | Mendocino, CA / 86,030 |
| 21. | 15.6% | Lassen, CA / 34,428 |
| 22. | 15.5% | Sonoma, CA / 464,218 |
| 23. | 15.1% | Humboldt, CA / 129,003 |
| 24. | 14.7% | Inyo, CA / 17,438 |
| 25. | 13.8% | San Luis Obispo, CA / 262,149 |
| 26. | 13.6% | Mono, CA / 12,925 |
| 27. | 13.1% | Santa Cruz, CA / 251,398 |
| 28. | 13.1% | Yuba, CA / 70,906 |
| 29. | 12.6% | Napa, CA / 132,173 |
| 30. | 11.0% | Sacramento, CA / 1,375,605 |
| 31. | 11.0% | Sutter, CA / 90,731 |
| 32. | 10.7% | Contra Costa, CA / 1,015,571 |
| 33. | 10.6% | Santa Barbara, CA / 402,025 |
| 34. | 10.5% | Ventura, CA / 792,313 |
| 35. | 10.4% | San Diego, CA / 2,987,543 |
| 36. | 10.3% | Yolo, CA / 192,974 |
| 37. | 10.3% | Glenn, CA / 27,891 |
| 38. | 9.9% | Stanislaus, CA / 505,165 |
| 39. | 9.7% | San Benito, CA / 54,752 |
| 40. | 9.6% | San Mateo, CA / 701,886 |
| 41. | 9.5% | San Francisco, CA / 797,271 |
| 42. | 9.4% | Orange, CA / 2,976,831 |
| 43. | 9.2% | Solano, CA / 406,461 |
| 44. | 8.8% | Kern, CA / 780,953 |
| 45. | 8.7% | Riverside, CA / 2,036,304 |
| 46. | 8.6% | Colusa, CA / 21,001 |
| 47. | 7.9% | Madera, CA / 144,794 |
| 48. | 7.7% | San Joaquin, CA / 664,641 |
| 49. | 7.7% | San Bernardino, CA / 1,986,635 |
| 50. | 7.3% | Alameda, CA / 1,457,095 |
| 51. | 7.2% | Kings, CA / 146,696 |
| 52. | 7.1% | Monterey, CA / 404,922 |
| 53. | 6.7% | Santa Clara, CA / 1,729,378 |
| 54. | 6.5% | Fresno, CA / 890,750 |
| 55. | 5.7% | Merced, CA / 242,235 |
| 56. | 5.6% | Tulare, CA / 416,299 |
| 57. | 4.6% | Los Angeles, CA / 9,785,295 |
| 58. | 2.8% | Imperial, CA / 160,034 |
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.