| County | American Indian Percentage of Total Population |
| Brown |  1 |
| Kane | 1 |
| Lake | 1 |
| Cook | 1 |
| Pope | 1 |
| Boone | 1 |
| Union | 1 |
| Rock Island | 1 |
| Cass | 1 |
| Fulton | 1 |
| Bond | 1 |
| Hardin | 1 |
| Jackson | 1 |
| McHenry | 1 |
| Winnebago | 1 |
| Pulaski | 0 |
| Perry | 0 |
| Kendall | 0 |
| Peoria | 0 |
| Massac | 0 |
| Johnson | 0 |
| Champaign | 0 |
| Kankakee | 0 |
| Marion | 0 |
| Saline | 0 |
| Logan | 0 |
| DuPage | 0 |
| Whiteside | 0 |
| Warren | 0 |
| DeKalb | 0 |
| Carroll | 0 |
| Will | 0 |
| Williamson | 0 |
| Bureau | 0 |
| Alexander | 0 |
| Clinton | 0 |
| McDonough | 0 |
| White | 0 |
| Macoupin | 0 |
| Lee | 0 |
| Madison | 0 |
| Marshall | 0 |
| Mason | 0 |
| St. Clair | 0 |
| Menard | 0 |
| Morgan | 0 |
| Tazewell | 0 |
| Ogle | 0 |
| McLean | 0 |
| Lawrence | 0 |
| La Salle | 0 |
| Gallatin | 0 |
| Grundy | 0 |
| Hamilton | 0 |
| Hancock | 0 |
| Henderson | 0 |
| Henry | 0 |
| Vermilion | 0 |
| Wabash | 0 |
| Jefferson | 0 |
| Jersey | 0 |
| Crawford | 0 |
| Knox | 0 |
| Franklin | 0 |
| Iroquois | 0 |
| Woodford | 0 |
| Stephenson | 0 |
| Schuyler | 0 |
| Shelby | 0 |
| Sangamon | 0 |
| Stark | 0 |
| Scott | 0 |
| Wayne | 0 |
| Richland | 0 |
| Randolph | 0 |
| Pike | 0 |
| Effingham | 0 |
| Edwards | 0 |
| Edgar | 0 |
| Douglas | 0 |
| De Witt | 0 |
| Cumberland | 0 |
| Coles | 0 |
| Clark | 0 |
| Christian | 0 |
| Calhoun | 0 |
| Adams | 0 |
| Fayette | 0 |
| Ford | 0 |
| Piatt | 0 |
| Moultrie | 0 |
| Montgomery | 0 |
| Monroe | 0 |
| Jasper | 0 |
| Macon | 0 |
| Livingston | 0 |
| Clay | 0 |
| Jo Daviess | 0 |
| Greene | 0 |
| Washington | 0 |
| Mercer | 0 |
| Putnam | 0 |