| Race/Ethnicity | Number | Percent |
|---|---|---|
| White | 1,036 | 54.64% |
| International | 392 | 20.68% |
| Hispanic | 178 | 9.39% |
| Black or African American | 125 | 6.59% |
| Asian | 98 | 5.17% |
| Multi-Ethnic | 45 | 2.37% |
| Unknown | 20 | 1.05% |
| Native Hawaiian or Pacific Islander | 1 | 0.05% |
| American Indian or Alaska Native | 1 | 0.05% |
The majority of NIU graduate students are White.