Local Data Search
A total of 102 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 37.4% | Hardin, IL / 4,402 |
| 2. | 33.2% | Gallatin, IL / 5,773 |
| 3. | 26.1% | Hamilton, IL / 8,453 |
| 4. | 26.1% | Grundy, IL / 48,744 |
| 5. | 24.1% | Mercer, IL / 16,551 |
| 6. | 24.0% | Pope, IL / 4,426 |
| 7. | 23.6% | Saline, IL / 25,171 |
| 8. | 23.2% | Henderson, IL / 7,462 |
| 9. | 22.4% | Franklin, IL / 39,528 |
| 10. | 22.3% | Coles, IL / 53,568 |
| 11. | 22.1% | Lee, IL / 36,100 |
| 12. | 22.0% | Massac, IL / 15,425 |
| 13. | 21.9% | Jo Daviess, IL / 22,728 |
| 14. | 21.6% | White, IL / 14,800 |
| 15. | 21.3% | La Salle, IL / 113,789 |
| 16. | 21.1% | Edgar, IL / 18,776 |
| 17. | 20.4% | Williamson, IL / 65,579 |
| 18. | 20.2% | Marion, IL / 39,722 |
| 19. | 20.2% | Mchenry, IL / 306,050 |
| 20. | 20.0% | Will, IL / 667,977 |
| 21. | 19.9% | Dekalb, IL / 104,026 |
| 22. | 19.8% | Christian, IL / 34,936 |
| 23. | 19.8% | Livingston, IL / 39,010 |
| 24. | 19.5% | Clay, IL / 13,927 |
| 25. | 19.5% | Jefferson, IL / 39,202 |
| 26. | 19.3% | Macoupin, IL / 47,980 |
| 27. | 19.3% | Marshall, IL / 12,763 |
| 28. | 19.2% | Clark, IL / 16,545 |
| 29. | 18.8% | Lawrence, IL / 16,849 |
| 30. | 18.8% | Warren, IL / 17,745 |
| 31. | 18.5% | Putnam, IL / 5,982 |
| 32. | 18.5% | Greene, IL / 13,983 |
| 33. | 18.5% | Scott, IL / 5,374 |
| 34. | 18.5% | Stark, IL / 6,086 |
| 35. | 18.4% | Monroe, IL / 32,431 |
| 36. | 18.4% | Whiteside, IL / 58,750 |
| 37. | 18.2% | Knox, IL / 52,932 |
| 38. | 18.1% | Ford, IL / 14,113 |
| 39. | 18.0% | Union, IL / 17,959 |
| 39. | 18.0% | Jersey, IL / 22,932 |
| 41. | 17.8% | Kendall, IL / 105,602 |
| 42. | 17.8% | Morgan, IL / 35,755 |
| 43. | 17.7% | Mclean, IL / 166,706 |
| 44. | 17.6% | Menard, IL / 12,702 |
| 45. | 17.6% | Ogle, IL / 53,578 |
| 46. | 17.5% | Dupage, IL / 911,481 |
| 47. | 17.4% | Moultrie, IL / 14,723 |
| 48. | 17.4% | Madison, IL / 268,005 |
| 49. | 17.4% | Sangamon, IL / 195,288 |
| 50. | 17.3% | Henry, IL / 50,477 |
| 51. | 17.2% | Jackson, IL / 59,864 |
| 52. | 17.1% | Peoria, IL / 185,108 |
| 53. | 16.8% | Montgomery, IL / 30,230 |
| 54. | 16.7% | Tazewell, IL / 133,863 |
| 55. | 16.7% | Perry, IL / 22,488 |
| 56. | 16.6% | Crawford, IL / 19,864 |
| 57. | 16.6% | Rock Island, IL / 147,524 |
| 58. | 16.6% | Pike, IL / 16,580 |
| 59. | 16.5% | Kankakee, IL / 112,100 |
| 60. | 16.3% | Logan, IL / 30,440 |
| 61. | 16.3% | Wayne, IL / 16,846 |
| 62. | 16.2% | Adams, IL / 67,030 |
| 63. | 16.2% | Iroquois, IL / 30,068 |
| 64. | 16.2% | Mcdonough, IL / 32,730 |
| 65. | 16.1% | Carroll, IL / 15,615 |
| 66. | 16.1% | Cumberland, IL / 11,073 |
| 67. | 16.0% | Woodford, IL / 38,226 |
| 68. | 16.0% | Johnson, IL / 12,710 |
| 69. | 16.0% | Piatt, IL / 16,708 |
| 70. | 15.9% | Fulton, IL / 37,205 |
| 71. | 15.5% | Bond, IL / 17,904 |
| 72. | 15.5% | Bureau, IL / 35,083 |
| 73. | 15.4% | Macon, IL / 110,719 |
| 74. | 15.3% | Hancock, IL / 19,227 |
| 75. | 14.9% | Boone, IL / 53,567 |
| 76. | 14.8% | Schuyler, IL / 7,527 |
| 77. | 14.7% | Winnebago, IL / 293,972 |
| 78. | 14.4% | Washington, IL / 14,841 |
| 79. | 14.4% | Dewitt, IL / 16,672 |
| 80. | 14.3% | Fayette, IL / 22,007 |
| 81. | 14.2% | Jasper, IL / 9,752 |
| 82. | 14.2% | Brown, IL / 6,897 |
| 83. | 14.1% | Calhoun, IL / 5,118 |
| 84. | 14.0% | Shelby, IL / 22,362 |
| 85. | 13.9% | Kane, IL / 502,628 |
| 86. | 13.9% | Stephenson, IL / 47,791 |
| 87. | 13.8% | Lake, IL / 697,179 |
| 88. | 13.7% | Douglas, IL / 20,012 |
| 89. | 13.5% | Champaign, IL / 197,867 |
| 90. | 13.4% | Randolph, IL / 33,567 |
| 91. | 13.2% | Effingham, IL / 34,232 |
| 92. | 13.2% | Wabash, IL / 12,141 |
| 93. | 13.2% | Richland, IL / 16,166 |
| 94. | 12.4% | Saint Clair, IL / 266,727 |
| 95. | 12.3% | Cass, IL / 13,648 |
| 96. | 12.2% | Mason, IL / 14,921 |
| 97. | 12.0% | Vermilion, IL / 82,033 |
| 98. | 11.1% | Edwards, IL / 6,707 |
| 98. | 11.1% | Clinton, IL / 37,395 |
| 100. | 10.7% | Cook, IL / 5,172,848 |
| 101. | 9.3% | Alexander, IL / 8,449 |
| 102. | 8.4% | Pulaski, IL / 6,262 |
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.