Local Data Search
A total of 102 results found. Show Results on Map.
| Rank | Irish as First Ancestry Population Percentage ▼ | County / Population |
| 1. | 36.9% | Hardin, IL / 4,315 |
| 2. | 34.6% | Gallatin, IL / 5,592 |
| 3. | 28.8% | Pope, IL / 4,399 |
| 4. | 26.6% | Hamilton, IL / 8,430 |
| 5. | 25.3% | Saline, IL / 24,975 |
| 6. | 24.4% | Grundy, IL / 49,870 |
| 7. | 24.2% | Henderson, IL / 7,275 |
| 8. | 23.9% | Mercer, IL / 16,421 |
| 9. | 22.1% | Lee, IL / 35,778 |
| 10. | 22.1% | White, IL / 14,686 |
| 11. | 21.8% | La Salle, IL / 113,688 |
| 12. | 21.8% | Coles, IL / 53,683 |
| 13. | 21.5% | Putnam, IL / 5,968 |
| 14. | 20.8% | Jersey, IL / 22,939 |
| 15. | 20.5% | Greene, IL / 13,828 |
| 16. | 20.4% | Jo Daviess, IL / 22,663 |
| 17. | 20.2% | Macoupin, IL / 47,712 |
| 18. | 20.1% | Williamson, IL / 66,335 |
| 19. | 20.1% | Marion, IL / 39,319 |
| 20. | 20.0% | Mchenry, IL / 308,163 |
| 21. | 20.0% | Franklin, IL / 39,518 |
| 22. | 19.7% | Marshall, IL / 12,567 |
| 23. | 19.7% | Stark, IL / 5,983 |
| 24. | 19.6% | Christian, IL / 34,805 |
| 25. | 19.4% | Edgar, IL / 18,513 |
| 26. | 19.4% | Dekalb, IL / 104,820 |
| 27. | 19.3% | Will, IL / 677,669 |
| 28. | 19.2% | Ford, IL / 14,045 |
| 29. | 19.0% | Kendall, IL / 114,226 |
| 30. | 18.9% | Monroe, IL / 33,003 |
| 31. | 18.9% | Massac, IL / 15,370 |
| 32. | 18.7% | Menard, IL / 12,728 |
| 33. | 18.6% | Clay, IL / 13,828 |
| 34. | 18.5% | Warren, IL / 17,723 |
| 35. | 18.3% | Livingston, IL / 38,903 |
| 36. | 17.9% | Jefferson, IL / 38,908 |
| 37. | 17.8% | Johnson, IL / 12,653 |
| 38. | 17.8% | Clark, IL / 16,353 |
| 39. | 17.8% | Whiteside, IL / 58,400 |
| 40. | 17.8% | Henry, IL / 50,378 |
| 41. | 17.7% | Mclean, IL / 169,689 |
| 42. | 17.7% | Piatt, IL / 16,679 |
| 43. | 17.7% | Perry, IL / 22,287 |
| 44. | 17.5% | Ogle, IL / 53,378 |
| 45. | 17.4% | Mcdonough, IL / 32,568 |
| 46. | 17.1% | Knox, IL / 52,698 |
| 47. | 17.0% | Dupage, IL / 918,608 |
| 48. | 16.9% | Sangamon, IL / 197,474 |
| 49. | 16.8% | Boone, IL / 54,141 |
| 50. | 16.8% | Tazewell, IL / 135,201 |
| 51. | 16.7% | Madison, IL / 268,586 |
| 52. | 16.7% | Bureau, IL / 34,798 |
| 53. | 16.6% | Logan, IL / 30,278 |
| 54. | 16.6% | Rock Island, IL / 147,504 |
| 55. | 16.5% | Union, IL / 17,799 |
| 56. | 16.4% | Iroquois, IL / 29,689 |
| 57. | 16.4% | Peoria, IL / 186,399 |
| 58. | 16.3% | Cumberland, IL / 11,044 |
| 59. | 16.2% | Woodford, IL / 38,736 |
| 60. | 16.2% | Kankakee, IL / 113,170 |
| 61. | 16.1% | Crawford, IL / 19,777 |
| 62. | 16.0% | Morgan, IL / 35,544 |
| 63. | 15.8% | Carroll, IL / 15,338 |
| 64. | 15.8% | Scott, IL / 5,322 |
| 65. | 15.8% | Hancock, IL / 19,063 |
| 66. | 15.6% | Calhoun, IL / 5,065 |
| 67. | 15.2% | Jackson, IL / 59,992 |
| 68. | 14.9% | Macon, IL / 110,558 |
| 69. | 14.9% | Dewitt, IL / 16,562 |
| 70. | 14.8% | Richland, IL / 16,181 |
| 71. | 14.6% | Douglas, IL / 19,908 |
| 72. | 14.6% | Brown, IL / 6,913 |
| 73. | 14.6% | Winnebago, IL / 294,433 |
| 74. | 14.5% | Adams, IL / 67,098 |
| 74. | 14.5% | Wayne, IL / 16,727 |
| 76. | 14.4% | Montgomery, IL / 29,977 |
| 77. | 14.3% | Fulton, IL / 36,989 |
| 78. | 14.1% | Pike, IL / 16,436 |
| 79. | 14.0% | Stephenson, IL / 47,532 |
| 80. | 13.8% | Lawrence, IL / 16,778 |
| 81. | 13.7% | Effingham, IL / 34,258 |
| 82. | 13.6% | Bond, IL / 17,762 |
| 83. | 13.5% | Wabash, IL / 11,935 |
| 84. | 13.4% | Moultrie, IL / 14,844 |
| 85. | 13.4% | Kane, IL / 514,891 |
| 86. | 13.4% | Lake, IL / 701,282 |
| 87. | 13.4% | Shelby, IL / 22,316 |
| 88. | 13.1% | Schuyler, IL / 7,499 |
| 89. | 13.1% | Washington, IL / 14,692 |
| 90. | 12.4% | Fayette, IL / 22,082 |
| 91. | 12.3% | Cass, IL / 13,570 |
| 92. | 12.2% | Mason, IL / 14,636 |
| 93. | 12.1% | Randolph, IL / 33,353 |
| 94. | 11.9% | Pulaski, IL / 6,107 |
| 95. | 11.8% | Saint Clair, IL / 268,873 |
| 96. | 11.8% | Champaign, IL / 200,931 |
| 97. | 11.8% | Clinton, IL / 37,793 |
| 98. | 11.3% | Edwards, IL / 6,691 |
| 99. | 11.0% | Vermilion, IL / 81,463 |
| 100. | 10.9% | Jasper, IL / 9,707 |
| 101. | 10.8% | Alexander, IL / 8,147 |
| 102. | 10.5% | Cook, IL / 5,197,677 |
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.