| State | Number of Students | Percent |
|---|---|---|
| Illinois | 1,712 | 95.38% |
| Wisconsin | 25 | 1.39% |
| Michigan | 10 | 0.56% |
| Indiana | 8 | 0.45% |
| Ohio | 5 | 0.28% |
| Iowa | 4 | 0.22% |
| North Carolina | 3 | 0.17% |
| Florida | 3 | 0.17% |
| Virginia | 3 | 0.17% |
| Georgia | 3 | 0.17% |
| Colorado | 2 | 0.11% |
| Nebraska | 2 | 0.11% |
| Texas | 2 | 0.11% |
| California | 2 | 0.11% |
| New York | 1 | 0.06% |
| Kentucky | 1 | 0.06% |
| Kansas | 1 | 0.06% |
| Washington | 1 | 0.06% |
The majority of the NIU students who live in the U.S. are from Illinois. Student location diversity is considered average.