How many students at Illinois State? For the academic year 2024-2025, a total of 21,546 students have enrolled in Illinois State University with 19,107 undergraduate and 2,439 graduate students.
By gender, 8,998 male and 12,548 female students are attending the school.
It has more students compared to similar colleges (16,875 students on average - public Research University (high research activity)).
1,302 students are enrolled exclusively, and 7,853 students are enrolled in some online courses.
You can check the student demographics by gender ratio, race/ethnicity, age distribution, and online enrollment.
Student Population by Gender
Illinois State University has a total of 21,546 enrolled students for the academic year 2024-2025. 19,107 students have enrolled in undergraduate programs and 2,439 students joined graduate programs.
By gender, 8,998 male and 12,548 female students (the male-female ratio is 42:58) are attending the school.
Total Student Enrolled By Gender
| Total | Undergraduate | Graduate |
| Total | 21,546 | 19,107 | 2,439 |
| Men | 8,998 | 8,270 | 728 |
| Women | 12,548 | 10,837 | 1,711 |
Student Distribution by Race/Ethnicity
By race/ethnicity, 13,650 White, 2,775 Black, and 560 Asian students out of a total of 21,546 are attending at Illinois State University. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).
Illinois State University is moderately diverse with a diversity index of 56.2% measured by Census Bureau Diversity Index. The institution shows moderate representation of multiple racial and ethnic groups.
Race/Ethnicity Distribution (Total)
| Race | Total | Men | Women |
| American Indian or Native American | 16 | 8 | 8 |
|---|
| Asian | 560 | 250 | 310 |
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| Black | 2,775 | 1,134 | 1,641 |
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| Hispanic | 2,895 | 1,193 | 1,702 |
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| Native Hawaiian or Other Pacific Islanders | 12 | 4 | 8 |
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| White | 13,650 | 5,682 | 7,968 |
|---|
| Two or more races | 840 | 352 | 488 |
|---|
| Race Unknown | 185 | 85 | 100 |
Race/Ethnicity Distribution (Undergraduate)
| Race | Total | Men | Women |
| American Indian or Native American | 15 | 8 | 7 |
|---|
| Asian | 499 | 234 | 265 |
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| Black | 2,598 | 1,073 | 1,525 |
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| Hispanic | 2,721 | 1,144 | 1,577 |
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| Native Hawaiian or Other Pacific Islanders | 11 | 4 | 7 |
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| White | 12,165 | 5,310 | 6,855 |
|---|
| Two or more races | 781 | 334 | 447 |
|---|
| Race Unknown | 148 | 73 | 75 |
Race/Ethnicity Distribution (Graduate)
| Race | Total | Men | Women |
| American Indian or Native American | 1 | 0 | 1 |
|---|
| Asian | 61 | 16 | 45 |
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| Black | 177 | 61 | 116 |
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| Hispanic | 174 | 49 | 125 |
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| Native Hawaiian or Other Pacific Islanders | 1 | 0 | 1 |
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| White | 1,485 | 372 | 1,113 |
|---|
| Two or more races | 59 | 18 | 41 |
|---|
| Race Unknown | 37 | 12 | 25 |
Student Age Distribution
By age, Illinois State has 88 students under 18 years old and 10 students over 65 years old. There are 19,117 students under 25 years old, and 2,429 students over 25 years old out of 21,546 total students.
In undergraduate programs, 88 students are younger than 18 and 4 students are older than 65. Illinois State has 18,302 undergraduate students aged under 25 and 805 students aged 25 and over.
It has 815 graduate students aged under 25 and 1,624 students aged 25 and over.
Student Age Distribution (Total)
| Age | Total | Men | Women |
| Under 18 | 88 | 45 | 43 |
|---|
| 18-19 | 7,783 | 4,702 | 3,081 |
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| 20-21 | 8,003 | 4,522 | 3,481 |
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| 22-24 | 3,243 | 1,675 | 1,568 |
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| 25-29 | 987 | 567 | 420 |
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| 30-34 | 454 | 288 | 166 |
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| 35-39 | 334 | 242 | 92 |
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| 40-49 | 462 | 353 | 109 |
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| 50-64 | 182 | 145 | 37 |
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| Over 65 | 10 | 9 | 1 |
Student Age Distribution (Undergraduate)
| Age | Total | Men | Women |
| Under 18 | 88 | 45 | 43 |
|---|
| 18-19 | 7,783 | 4,702 | 3,081 |
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| 20-21 | 7,957 | 4,488 | 3,469 |
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| 22-24 | 2,474 | 1,129 | 1,345 |
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| 25-29 | 368 | 159 | 209 |
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| 30-34 | 135 | 78 | 57 |
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| 35-39 | 97 | 70 | 27 |
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| 40-49 | 139 | 110 | 29 |
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| 50-64 | 62 | 52 | 10 |
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| Over 65 | 4 | 4 | 0 |
Student Age Distribution (Graduate)
| Age | Total | Men | Women |
| 20-21 | 46 | 34 | 12 |
|---|
| 22-24 | 769 | 546 | 223 |
|---|
| 25-29 | 619 | 408 | 211 |
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| 30-34 | 319 | 210 | 109 |
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| 35-39 | 237 | 172 | 65 |
|---|
| 40-49 | 323 | 243 | 80 |
|---|
| 50-64 | 120 | 93 | 27 |
|---|
| Over 65 | 6 | 5 | 1 |
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 Illinois State University, 1,302 students are enrolled exclusively in online courses and 7,853 students are enrolled in some online courses.
1,212 students who live in Illinois or the jurisdiction in which the school is located are enrolled exclusively in online courses and 90 students live in another State or outside of the United States.
Online Student Population
| All Students | Enrolled Exclusively Online Courses | Enrolled in Some Online Courses |
| All Students | 21,546 | 1,302 | 7,853 |
| Undergraduate | 19,107 | 420 | 7,530 |
|---|
| Graduate | 2,439 | 882 | 323 |
Online Student Population by Locality
| Illinois Residents | Other States in U.S. | Outside of U.S. |
| All Students | 1,212 | 84 | 6 |
|---|
| Undergraduate | 410 | 10 | 0 |
| Graduate | 802 | 74 | 6 |
Transfer-in Students (Undergraduate)
Among 19,107 enrolled in undergraduate programs, 1,788 students have transferred-in from other institutions. The percentage of transfer-in students is 9.36%.1,605 students have transferred in as full-time status and 183 students transferred in as part-time status.
Transfer-in Students (Undergraduate)
| Number of Students |
| Regular Full-time | 16,464 |
| Transfer-in Full-time | 1,605 |
| Regular Part-time | 855 |
| Transfer-in Part-time | 183 |
Illinois State Enrollment Frequently Asked Questions
For the academic year 2024-2025, 21,546 students are enrolled at Illinois State.
19,107 undergraduate and 2,439 graduate students are enrolled at Illinois State.
8,998 male (41.76%) and 12,548 female (58.24%) students are attending Illinois State.
613 international students (2.85%) are enrolled at Illinois State, including 169 undergraduate and 444 graduate students.
Illinois State has a student population that is predominantly White: 13,650 White (63.35%), 2,775 Black (12.88%), and 560 Asian (2.60%) students are enrolled.
88 students are under 18 and 10 students are over 65 years old.
1,302 students are enrolled exclusively online, and 7,853 students take some online courses.