| County | White Percentage of Total Population |
| Calhoun |  99 |
| Shelby | 99 |
| Jasper | 99 |
| Scott | 98 |
| Moultrie | 98 |
| Mercer | 98 |
| Edgar | 98 |
| Cumberland | 98 |
| Monroe | 98 |
| Edwards | 98 |
| Effingham | 98 |
| Clark | 98 |
| Henderson | 98 |
| Hancock | 98 |
| Hamilton | 98 |
| Wayne | 98 |
| Greene | 98 |
| White | 98 |
| Jo Daviess | 98 |
| Piatt | 98 |
| Marshall | 98 |
| Mason | 98 |
| Putnam | 98 |
| Washington | 98 |
| Stark | 98 |
| Gallatin | 98 |
| Clay | 98 |
| Douglas | 98 |
| Franklin | 98 |
| Woodford | 98 |
| Ford | 98 |
| Jersey | 98 |
| De Witt | 98 |
| Macoupin | 97 |
| Richland | 97 |
| Menard | 97 |
| Hardin | 97 |
| Carroll | 97 |
| Wabash | 97 |
| Ogle | 97 |
| Iroquois | 97 |
| Bureau | 97 |
| Pike | 97 |
| Christian | 97 |
| Tazewell | 96 |
| Union | 96 |
| Grundy | 96 |
| Henry | 96 |
| Whiteside | 96 |
| Schuyler | 96 |
| La Salle | 96 |
| Montgomery | 95 |
| Warren | 95 |
| Fulton | 94 |
| Clinton | 94 |
| McHenry | 94 |
| Cass | 94 |
| Fayette | 94 |
| Adams | 94 |
| Marion | 94 |
| Crawford | 93 |
| Coles | 93 |
| Boone | 93 |
| Saline | 93 |
| Williamson | 93 |
| Livingston | 93 |
| Lee | 92 |
| Massac | 92 |
| Morgan | 91 |
| Pope | 91 |
| Bond | 91 |
| McDonough | 91 |
| Johnson | 90 |
| Logan | 90 |
| Madison | 89 |
| Knox | 89 |
| Perry | 89 |
| Jefferson | 89 |
| Randolph | 88 |
| Kendall | 88 |
| Lawrence | 88 |
| DeKalb | 88 |
| Kane | 87 |
| Stephenson | 87 |
| Rock Island | 86 |
| McLean | 85 |
| Sangamon | 84 |
| Vermilion | 84 |
| Lake | 83 |
| Winnebago | 82 |
| DuPage | 82 |
| Will | 81 |
| Kankakee | 81 |
| Macon | 80 |
| Brown | 79 |
| Jackson | 79 |
| Peoria | 76 |
| Champaign | 75 |
| Cook | 66 |
| St. Clair | 66 |
| Pulaski | 64 |
| Alexander | 61 |