For academic year 2021-2022, total 28,326 graduate students enrolled in 29 graduate schools in Iowa. By gender, there are 12,245 male students (43.23%) and 16,081 female students (56.77%) enrolled in graduate programs.

For academic year 2021-2022, of the 29 enrolled students in Iowa graduate schools, 71 were American Indian/Native American (0.25%), 1,239 were Asian (4.37%), 1,175 were Black/African American (4.15%), 1,479 were Hispanic (5.22%), 34 were Native Hawaiian or Other Pacific Islander (0.12%), 18,494 were White (65.29%), 568 were Two More (2.01%), and 1,442 were Un-Known (5.09%). The number of non-resident alien students is 3,824 (13.50%). Next table shows the 2022 graduate school students population by race/ethnicity and state at Iowa graduate schools.