| Race/Ethnicity | Number |
|---|---|
| Hispanic | 1,611 |
| Black or African American | 994 |
| White | 618 |
| Unknown | 186 |
| Asian | 113 |
| Multi-Ethnic | 101 |
| International | 70 |
| Native Hawaiian or Pacific Islander | 7 |
| American Indian or Alaska Native | 5 |
The majority of Union County College undergraduates are Hispanic.