| Race/Ethnicity | Number | Percent | 
|---|---|---|
| Unknown | 6,968 | 34.23% | 
| White | 5,104 | 25.07% | 
| Black or African American | 5,014 | 24.63% | 
| Hispanic | 2,055 | 10.10% | 
| Multi-Ethnic | 449 | 2.21% | 
| Asian | 391 | 1.92% | 
| Native Hawaiian or Pacific Islander | 146 | 0.72% | 
| American Indian or Alaska Native | 144 | 0.71% | 
| International | 84 | 0.41% | 
The majority of UOPX - Arizona graduate students are Unknown.