| Race/Ethnicity | Number | Percent |
|---|---|---|
| White | 292 | 74.49% |
| Unknown | 65 | 16.58% |
| Hispanic | 15 | 3.83% |
| Asian | 6 | 1.53% |
| International | 5 | 1.28% |
| Black or African American | 5 | 1.28% |
| Multi-Ethnic | 3 | 0.77% |
| American Indian or Alaska Native | 1 | 0.26% |
| Native Hawaiian or Pacific Islander | 0 | 0.26% |
The majority of Plymouth State graduate students are White.