| State | Number of Students | Percent |
|---|---|---|
| Illinois | 1,432 | 85.65% |
| Indiana | 43 | 2.57% |
| Tennessee | 22 | 1.32% |
| Florida | 12 | 0.72% |
| Kentucky | 12 | 0.72% |
| Wisconsin | 11 | 0.66% |
| Michigan | 8 | 0.48% |
| Texas | 5 | 0.30% |
| Arkansas | 4 | 0.24% |
| Ohio | 3 | 0.18% |
| North Carolina | 3 | 0.18% |
| Arizona | 3 | 0.18% |
| California | 3 | 0.18% |
| Iowa | 3 | 0.18% |
| Kansas | 2 | 0.12% |
| Maryland | 2 | 0.12% |
| Connecticut | 2 | 0.12% |
| Colorado | 2 | 0.12% |
| Georgia | 2 | 0.12% |
| Oklahoma | 2 | 0.12% |
| New Jersey | 2 | 0.12% |
| New York | 1 | 0.06% |
| Nebraska | 1 | 0.06% |
| Pennsylvania | 1 | 0.06% |
| South Carolina | 1 | 0.06% |
| Mississippi | 1 | 0.06% |
| Massachusetts | 1 | 0.06% |
| Virginia | 1 | 0.06% |
| Louisiana | 1 | 0.06% |
| West Virginia | 1 | 0.06% |
The majority of the SIUC students who live in the U.S. are from Illinois. Student location diversity is considered average.