The graph below ranks each Illinois County by total of Mixed Race residents according to the 2012 census estimates.
Illinois total of Mixed Race population by county
| County | Mixed Race Population |
| Cook |  88,876 |
| DuPage | 15,766 |
| Lake | 13,323 |
| Will | 11,587 |
| Kane | 8,862 |
| Winnebago | 7,004 |
| St. Clair | 5,643 |
| Champaign | 5,289 |
| Peoria | 5,056 |
| Madison | 4,822 |
| Sangamon | 4,384 |
| McHenry | 4,000 |
| Rock Island | 3,688 |
| McLean | 3,618 |
| Macon | 2,639 |
| Kendall | 2,126 |
| Kankakee | 2,031 |
| DeKalb | 1,779 |
| Tazewell | 1,770 |
| Vermilion | 1,614 |
| Jackson | 1,503 |
| La Salle | 1,355 |
| Knox | 1,202 |
| Adams | 1,143 |
| Boone | 1,131 |
| Stephenson | 1,127 |
| Williamson | 1,067 |
| Whiteside | 867 |
| Coles | 805 |
| Jefferson | 658 |
| Henry | 652 |
| Marion | 583 |
| Ogle | 581 |
| McDonough | 554 |
| Grundy | 552 |
| Morgan | 530 |
| Livingston | 462 |
| Franklin | 434 |
| Saline | 425 |
| Macoupin | 425 |
| Lee | 422 |
| Logan | 390 |
| Woodford | 390 |
| Clinton | 381 |
| Iroquois | 351 |
| Bureau | 343 |
| Perry | 331 |
| Fulton | 330 |
| Randolph | 330 |
| Christian | 311 |
| Massac | 288 |
| Jersey | 273 |
| Monroe | 266 |
| Union | 247 |
| Effingham | 240 |
| Warren | 232 |
| Fayette | 220 |
| Bond | 211 |
| Montgomery | 208 |
| Jo Daviess | 203 |
| Douglas | 199 |
| De Witt | 181 |
| Crawford | 176 |
| Lawrence | 166 |
| Carroll | 166 |
| Alexander | 155 |
| Hancock | 151 |
| Piatt | 149 |
| Richland | 146 |
| Mason | 144 |
| Wabash | 141 |
| Ford | 140 |
| Menard | 140 |
| Shelby | 133 |
| Wayne | 133 |
| Washington | 132 |
| Pulaski | 131 |
| Clark | 130 |
| Pike | 130 |
| Edgar | 127 |
| Cass | 121 |
| Moultrie | 120 |
| White | 117 |
| Johnson | 115 |
| Mercer | 114 |
| Clay | 110 |
| Marshall | 99 |
| Cumberland | 88 |
| Greene | 82 |
| Gallatin | 76 |
| Henderson | 71 |
| Jasper | 68 |
| Hamilton | 67 |
| Putnam | 59 |
| Edwards | 54 |
| Stark | 54 |
| Brown | 48 |
| Scott | 42 |
| Pope | 38 |
| Schuyler | 37 |
| Hardin | 34 |
| Calhoun | 20 |