| County | American Indian Population |
| Marion |  2,967 |
| Lake | 1,704 |
| Allen | 1,256 |
| St. Joseph | 999 |
| Elkhart | 656 |
| Tippecanoe | 541 |
| Hamilton | 425 |
| Porter | 401 |
| Vanderburgh | 377 |
| Miami | 376 |
| Monroe | 376 |
| La Porte | 370 |
| Grant | 354 |
| Madison | 330 |
| Howard | 329 |
| Vigo | 324 |
| Clark | 321 |
| Delaware | 309 |
| Hendricks | 303 |
| Wabash | 254 |
| Johnson | 236 |
| Kosciusko | 221 |
| Morgan | 164 |
| Floyd | 163 |
| Cass | 160 |
| Huntington | 157 |
| Wayne | 149 |
| Marshall | 148 |
| Bartholomew | 147 |
| Putnam | 137 |
| Lawrence | 134 |
| Boone | 132 |
| Greene | 131 |
| Noble | 128 |
| DeKalb | 114 |
| Whitley | 113 |
| Hancock | 109 |
| Owen | 107 |
| Jackson | 106 |
| Steuben | 106 |
| Shelby | 105 |
| Ripley | 98 |
| Harrison | 98 |
| Knox | 91 |
| Warrick | 90 |
| Dearborn | 84 |
| Henry | 83 |
| Clay | 82 |
| Jefferson | 80 |
| Fulton | 77 |
| Posey | 76 |
| Montgomery | 74 |
| Sullivan | 72 |
| White | 72 |
| Daviess | 71 |
| Orange | 64 |
| Starke | 62 |
| Gibson | 61 |
| Jennings | 60 |
| Adams | 58 |
| Brown | 57 |
| Jasper | 57 |
| Wells | 55 |
| Randolph | 52 |
| Blackford | 52 |
| Carroll | 51 |
| Newton | 51 |
| LaGrange | 50 |
| Vermillion | 49 |
| Dubois | 49 |
| Spencer | 48 |
| Clinton | 48 |
| Tipton | 45 |
| Crawford | 45 |
| Scott | 45 |
| Parke | 44 |
| Jay | 44 |
| Fountain | 41 |
| Perry | 41 |
| Washington | 38 |
| Rush | 38 |
| Franklin | 37 |
| Pulaski | 29 |
| Decatur | 27 |
| Fayette | 23 |
| Union | 21 |
| Pike | 16 |
| Switzerland | 14 |
| Benton | 13 |
| Warren | 12 |
| Martin | 12 |
| Ohio | 7 |