Local Data Search
A total of 67 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 29.8% | Delaware, PA / 560,775 |
| 2. | 28.0% | Bucks, PA / 626,205 |
| 3. | 27.9% | Lackawanna, PA / 214,023 |
| 4. | 26.4% | Pike, PA / 56,883 |
| 5. | 26.2% | Chester, PA / 506,422 |
| 6. | 25.1% | Wayne, PA / 51,967 |
| 7. | 24.8% | Butler, PA / 185,034 |
| 8. | 24.5% | Susquehanna, PA / 42,708 |
| 9. | 24.2% | Montgomery, PA / 809,372 |
| 10. | 23.1% | Bradford, PA / 62,510 |
| 11. | 22.8% | Sullivan, PA / 6,400 |
| 12. | 22.7% | Venango, PA / 54,265 |
| 13. | 22.6% | Blair, PA / 126,708 |
| 14. | 22.3% | Wyoming, PA / 28,229 |
| 15. | 22.2% | Mckean, PA / 43,024 |
| 16. | 22.0% | Indiana, PA / 88,301 |
| 17. | 21.9% | Cambria, PA / 140,835 |
| 18. | 21.8% | Greene, PA / 38,171 |
| 19. | 21.7% | Armstrong, PA / 68,343 |
| 20. | 21.5% | Schuylkill, PA / 147,146 |
| 21. | 21.5% | Allegheny, PA / 1,229,172 |
| 22. | 21.2% | Luzerne, PA / 320,392 |
| 23. | 21.1% | Beaver, PA / 170,124 |
| 24. | 21.0% | Washington, PA / 208,157 |
| 25. | 20.9% | Fayette, PA / 135,376 |
| 26. | 20.7% | Crawford, PA / 87,801 |
| 27. | 20.3% | Westmoreland, PA / 362,587 |
| 28. | 20.2% | Clarion, PA / 39,437 |
| 29. | 20.1% | Erie, PA / 280,132 |
| 30. | 20.0% | Mercer, PA / 115,739 |
| 31. | 19.9% | Lawrence, PA / 89,859 |
| 32. | 19.7% | Huntingdon, PA / 45,950 |
| 33. | 19.3% | Cameron, PA / 4,939 |
| 34. | 18.9% | Monroe, PA / 168,342 |
| 35. | 18.8% | Jefferson, PA / 44,935 |
| 36. | 18.4% | Forest, PA / 7,649 |
| 37. | 18.1% | Cumberland, PA / 239,420 |
| 38. | 18.0% | Warren, PA / 41,218 |
| 39. | 17.6% | Centre, PA / 156,240 |
| 40. | 17.6% | Potter, PA / 17,451 |
| 41. | 17.2% | Carbon, PA / 64,874 |
| 42. | 17.0% | Lycoming, PA / 116,676 |
| 43. | 16.9% | Tioga, PA / 42,358 |
| 44. | 16.7% | Clinton, PA / 39,611 |
| 45. | 16.5% | Elk, PA / 31,584 |
| 46. | 16.2% | Adams, PA / 101,566 |
| 47. | 16.1% | Perry, PA / 45,788 |
| 48. | 15.8% | Clearfield, PA / 81,472 |
| 49. | 15.8% | Northampton, PA / 299,225 |
| 50. | 15.3% | Franklin, PA / 151,517 |
| 51. | 15.2% | Northumberland, PA / 94,294 |
| 52. | 15.1% | York, PA / 438,052 |
| 53. | 14.6% | Mifflin, PA / 46,705 |
| 54. | 14.5% | Fulton, PA / 14,747 |
| 55. | 14.4% | Columbia, PA / 67,089 |
| 56. | 14.3% | Montour, PA / 18,475 |
| 57. | 14.1% | Juniata, PA / 24,793 |
| 58. | 14.0% | Somerset, PA / 77,011 |
| 59. | 14.0% | Bedford, PA / 49,332 |
| 60. | 13.6% | Berks, PA / 413,016 |
| 61. | 13.5% | Dauphin, PA / 269,946 |
| 62. | 13.3% | Philadelphia, PA / 1,546,920 |
| 63. | 12.7% | Lehigh, PA / 354,537 |
| 64. | 12.7% | Lancaster, PA / 526,839 |
| 65. | 11.5% | Lebanon, PA / 135,184 |
| 66. | 11.1% | Union, PA / 44,955 |
| 67. | 10.3% | Snyder, PA / 39,922 |
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.