Local Data Search
A total of 58 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 24.0% | Modoc, CA / 9,545 |
| 2. | 21.5% | Trinity, CA / 13,693 |
| 3. | 20.7% | Amador, CA / 37,764 |
| 4. | 19.3% | Lake, CA / 64,360 |
| 5. | 19.1% | Nevada, CA / 98,521 |
| 6. | 18.5% | Lassen, CA / 34,628 |
| 7. | 18.3% | Calaveras, CA / 45,507 |
| 8. | 17.5% | Tuolumne, CA / 55,205 |
| 8. | 17.5% | Del Norte, CA / 28,496 |
| 10. | 17.4% | Plumas, CA / 19,926 |
| 11. | 17.3% | Sierra, CA / 3,163 |
| 12. | 17.2% | Alpine, CA / 1,197 |
| 13. | 17.0% | Shasta, CA / 177,693 |
| 14. | 17.0% | Mariposa, CA / 18,193 |
| 15. | 16.2% | El Dorado, CA / 180,441 |
| 16. | 16.0% | Placer, CA / 350,074 |
| 17. | 15.9% | Inyo, CA / 18,474 |
| 18. | 15.9% | Marin, CA / 252,759 |
| 19. | 15.8% | Mono, CA / 14,181 |
| 20. | 15.8% | Siskiyou, CA / 44,673 |
| 21. | 15.2% | Butte, CA / 220,101 |
| 22. | 14.7% | Tehama, CA / 63,200 |
| 23. | 14.6% | Sonoma, CA / 483,456 |
| 24. | 14.3% | Mendocino, CA / 87,577 |
| 25. | 13.6% | Humboldt, CA / 134,317 |
| 26. | 13.2% | San Luis Obispo, CA / 270,121 |
| 27. | 12.5% | Yuba, CA / 72,244 |
| 28. | 11.6% | Santa Cruz, CA / 262,340 |
| 29. | 11.0% | Napa, CA / 136,644 |
| 30. | 10.8% | Sutter, CA / 94,615 |
| 31. | 10.6% | Glenn, CA / 28,078 |
| 32. | 9.8% | Contra Costa, CA / 1,052,047 |
| 32. | 9.8% | Sacramento, CA / 1,422,348 |
| 34. | 9.8% | Ventura, CA / 822,794 |
| 35. | 9.7% | Yolo, CA / 200,873 |
| 36. | 9.7% | San Benito, CA / 55,467 |
| 37. | 9.6% | Santa Barbara, CA / 423,594 |
| 38. | 9.6% | San Diego, CA / 3,100,500 |
| 39. | 8.9% | San Mateo, CA / 721,183 |
| 40. | 8.8% | Stanislaus, CA / 515,115 |
| 41. | 8.7% | San Francisco, CA / 807,755 |
| 42. | 8.6% | Solano, CA / 414,209 |
| 43. | 8.6% | Orange, CA / 3,021,840 |
| 44. | 8.0% | Kern, CA / 839,153 |
| 45. | 7.8% | Riverside, CA / 2,192,982 |
| 46. | 7.6% | Colusa, CA / 21,329 |
| 47. | 7.5% | San Joaquin, CA / 687,036 |
| 48. | 6.9% | Alameda, CA / 1,515,136 |
| 49. | 6.9% | Monterey, CA / 416,199 |
| 50. | 6.8% | Madera, CA / 150,615 |
| 51. | 6.7% | Kings, CA / 151,982 |
| 51. | 6.7% | San Bernardino, CA / 2,041,029 |
| 53. | 6.2% | Santa Clara, CA / 1,788,393 |
| 54. | 6.0% | Fresno, CA / 930,517 |
| 55. | 4.6% | Tulare, CA / 441,877 |
| 56. | 4.5% | Los Angeles, CA / 9,840,024 |
| 57. | 4.4% | Merced, CA / 256,398 |
| 58. | 3.0% | Imperial, CA / 173,487 |
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.