How many students at UI?

For the academic year 2024-2025, University of Iowa has a total enrollment of 30,779 students, including 22,738 undergraduate and 8,041 graduate students.

  • Gender Breakdown: 13,512 male students (43.9%) and 17,267 female students (56.1%) are attending .
  • Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 21,926 White students (71.2%) and 2,529 Hispanic students (8.2%).
  • Class Level Breakdown: 22,738 undergraduate students (73.9%) and 8,041 graduate students (26.1%).
  • Class Delivery: 3,028 students are enrolled online exclusively, while 13,742 students take a hybrid mix of online and on-campus courses.

Compared to similar public Research University (very high research activity) - which average 34,856 - UI's body is relatively small.

Explore complete student demographics below, including gender ratio, race and ethnicity, age distribution, and distance learning statistics.


Enrollment by Gender and Class Level

By gender, 13,512 male (43.90%) and 17,267 female (56.10%) students are attending University of Iowa. The number of male students per 100 females students (male-to-female ratio) is 78.25.

By class level, 22,738 (73.88%) are undergraduate students and 8,041 (26.12%) are graduate students. Among undergraduates, 43.54% are male and 56.46% are female, while among graduate students, 44.92% are male and 55.08% are female.

Total Student Enrolled By Gender
TotalUndergraduateGraduate
Total30,77922,7388,041
Men13,5129,9003,612
Women17,26712,8384,429
University of Iowa 2025 Student Population by Gender and Race chartUniversity of Iowa 2025 Undergraduate Enrollment by Gender and Race chartUniversity of Iowa 2025 Graduate Enrollment by Gender and Race chart

Student Distribution by Race/Ethnicity

By race/ethnicity, 21,926 White, 890 Black, and 1,522 Asian students out of a total of 30,779 are attending at University of Iowa. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).

University of Iowa is somewhat diverse with a diversity index of 47.9% measured by Census Bureau Diversity Index. The institution shows moderate representation of multiple racial and ethnic groups.

Race/Ethnicity Distribution (Total)
RaceTotalMenWomen
American Indian or Native American522230
Asian1,522675847
Black890414476
Hispanic2,5291,0971,432
Native Hawaiian or Other Pacific Islanders1587
White21,9269,44712,479
Two or more races1,090456634
Race Unknown1,303634669
Race/Ethnicity Distribution (Undergraduate)
RaceTotalMenWomen
American Indian or Native American381622
Asian1,029452577
Black641310331
Hispanic2,0098401,169
Native Hawaiian or Other Pacific Islanders1046
White16,8887,2869,602
Two or more races872379493
Race Unknown959466493
Race/Ethnicity Distribution (Graduate)
RaceTotalMenWomen
American Indian or Native American1468
Asian493223270
Black249104145
Hispanic520257263
Native Hawaiian or Other Pacific Islanders541
White5,0382,1612,877
Two or more races21877141
Race Unknown344168176
University of Iowa 2025 Student Population by Gender and Race chartUniversity of Iowa 2025 Undergraduate Enrollment by Gender and Race chartUniversity of Iowa 2025 Graduate Enrollment by Gender and Race chart

Student Age Distribution

By age, UI has 174 students under 18 years old and 29 students over 65 years old. There are 24,249 students under 25 years old, and 6,530 students over 25 years old out of 30,779 total students.

In undergraduate programs, 174 students are younger than 18 and 17 students are older than 65. UI has 21,713 undergraduate students aged under 25 and 1,025 students aged 25 and over.

It has 2,536 graduate students aged under 25 and 5,505 students aged 25 and over.

Student Age Distribution (Total)
AgeTotalMenWomen
Under 181749975
18-199,6705,7633,907
20-219,7315,5474,184
22-244,6742,5112,163
25-293,2561,6671,589
30-341,429692737
35-39749388361
40-49810441369
50-64257146111
Over 65291316
Student Age Distribution (Undergraduate)
AgeTotalMenWomen
Under 181749975
18-199,6685,7613,907
20-219,4965,3744,122
22-242,3751,0921,283
25-29476212264
30-3419388105
35-391037528
40-491538469
50-64834538
Over 651789
Student Age Distribution (Graduate)
AgeTotalMenWomen
18-19220
20-2123517362
22-242,2991,419880
25-292,7801,4551,325
30-341,236604632
35-39646313333
40-49657357300
50-6417410173
Over 651257
University of Iowa 2025 Student Population by Age chartUniversity of Iowa 2025 Student Population Age Diversity Pie chartUniversity of Iowa 2025 Undergraduate Enrollment by Age chartUniversity of Iowa 2025 Undergraduate Enrollment Age Diversity Pie chartUniversity of Iowa 2025 Graduate Enrollment by Age chartUniversity of Iowa 2025 Graduate Enrollment Age Diversity Pie chart

Online Student Enrollment

Distance learning, also called online education, is very attractive to students, especially those who want to continue education and work in the field. At University of Iowa, 3,028 students are enrolled exclusively in online courses and 13,742 students are enrolled in some online courses.

1,928 students who live in Iowa or the jurisdiction in which the school is located are enrolled exclusively in online courses and 1,100 students live in another State or outside of the United States.

Online Student Population
All StudentsEnrolled Exclusively Online CoursesEnrolled in Some Online Courses
All Students30,7793,02813,742
Undergraduate22,73879313,238
Graduate8,0412,235504
Online Student Population by Locality
Iowa ResidentsOther States in U.S.Outside of U.S.
All Students1,9281,03466
Undergraduate5702185
Graduate1,35881661
University of Iowa 2025 Online Student Population chart

Transfer-in Students (Undergraduate)

Among 22,738 enrolled in undergraduate programs, 1,083 students have transferred-in from other institutions. The percentage of transfer-in students is 4.76%.995 students have transferred in as full-time status and 88 students transferred in as part-time status.

Transfer-in Students (Undergraduate)
Number of Students
Regular Full-time20,260
Transfer-in Full-time995
Regular Part-time1,395
Transfer-in Part-time88

UI Enrollment Frequently Asked Questions

For the academic year 2024-2025, 30,779 students are enrolled at UI.
22,738 undergraduate and 8,041 graduate students are enrolled at UI.
13,512 male (43.90%) and 17,267 female (56.10%) students are attending UI.
1,452 international students (4.72%) are enrolled at UI, including 292 undergraduate and 1,160 graduate students.
UI has a student population that is predominantly White: 21,926 White (71.24%), 890 Black (2.89%), and 1,522 Asian (4.94%) students are enrolled.
174 students are under 18 and 29 students are over 65 years old.
3,028 students are enrolled exclusively online, and 13,742 students take some online courses.

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