How many students at Northern Illinois? For the academic year 2024-2025, a total of 15,414 students have enrolled in Northern Illinois University with 11,348 undergraduate and 4,066 graduate students.
By gender, 6,960 male and 8,454 female students are attending the school.
It has relatively fewer students compared to similar colleges (16,875 students on average - public Research University (high research activity)).
2,197 students are enrolled exclusively, and 7,937 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
Northern Illinois University has a total of 15,414 enrolled students for the academic year 2024-2025. 11,348 students have enrolled in undergraduate programs and 4,066 students joined graduate programs.
By gender, 6,960 male and 8,454 female students (the male-female ratio is 45:55) are attending the school.
Total Student Enrolled By Gender
| Total | Undergraduate | Graduate |
| Total | 15,414 | 11,348 | 4,066 |
| Men | 6,960 | 5,330 | 1,630 |
| Women | 8,454 | 6,018 | 2,436 |
Student Distribution by Race/Ethnicity
By race/ethnicity, 6,831 White, 2,741 Black, and 921 Asian students out of a total of 15,414 are attending at Northern Illinois University. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).
Northern Illinois University is quite diverse with a diversity index of 71.9% measured by Census Bureau Diversity Index. The institution demonstrates strong racial and ethnic diversity among its student body.
Race/Ethnicity Distribution (Total)
| Race | Total | Men | Women |
| American Indian or Native American | 64 | 30 | 34 |
|---|
| Asian | 921 | 447 | 474 |
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| Black | 2,741 | 1,051 | 1,690 |
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| Hispanic | 3,407 | 1,500 | 1,907 |
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| Native Hawaiian or Other Pacific Islanders | 13 | 5 | 8 |
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| White | 6,831 | 3,141 | 3,690 |
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| Two or more races | 268 | 113 | 155 |
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| Race Unknown | 197 | 104 | 93 |
Race/Ethnicity Distribution (Undergraduate)
| Race | Total | Men | Women |
| American Indian or Native American | 61 | 28 | 33 |
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| Asian | 728 | 379 | 349 |
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| Black | 2,381 | 941 | 1,440 |
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| Hispanic | 2,917 | 1,330 | 1,587 |
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| Native Hawaiian or Other Pacific Islanders | 12 | 4 | 8 |
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| White | 4,766 | 2,387 | 2,379 |
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| Two or more races | 177 | 74 | 103 |
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| Race Unknown | 105 | 64 | 41 |
Race/Ethnicity Distribution (Graduate)
| Race | Total | Men | Women |
| American Indian or Native American | 3 | 2 | 1 |
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| Asian | 193 | 68 | 125 |
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| Black | 360 | 110 | 250 |
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| Hispanic | 490 | 170 | 320 |
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| Native Hawaiian or Other Pacific Islanders | 1 | 1 | 0 |
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| White | 2,065 | 754 | 1,311 |
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| Two or more races | 91 | 39 | 52 |
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| Race Unknown | 92 | 40 | 52 |
Student Age Distribution
By age, Northern Illinois has 3,185 students under 18 years old and 51 students over 65 years old. There are 11,324 students under 25 years old, and 4,180 students over 25 years old out of 15,504 total students.
In undergraduate programs, 3,185 students are younger than 18 and 28 students are older than 65. Northern Illinois has 10,251 undergraduate students aged under 25 and 1,107 students aged 25 and over.
It has 1,073 graduate students aged under 25 and 3,073 students aged 25 and over.
*The age distribution is based on 2023-2024 enrollment data.
Student Age Distribution (Total)
| Age | Total | Men | Women |
| Under 18 | 3,185 | 1,781 | 1,404 |
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| 18-19 | 3,528 | 1,944 | 1,584 |
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| 20-21 | 2,531 | 1,236 | 1,295 |
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| 22-24 | 2,080 | 1,028 | 1,052 |
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| 25-29 | 1,680 | 878 | 802 |
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| 30-34 | 732 | 416 | 316 |
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| 35-39 | 596 | 373 | 223 |
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| 40-49 | 805 | 544 | 261 |
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| 50-64 | 316 | 228 | 88 |
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| Over 65 | 51 | 29 | 22 |
Student Age Distribution (Undergraduate)
| Age | Total | Men | Women |
| Under 18 | 3,185 | 1,781 | 1,404 |
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| 18-19 | 3,527 | 1,943 | 1,584 |
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| 20-21 | 2,489 | 1,208 | 1,281 |
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| 22-24 | 1,050 | 494 | 556 |
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| 25-29 | 496 | 219 | 277 |
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| 30-34 | 216 | 118 | 98 |
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| 35-39 | 164 | 112 | 52 |
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| 40-49 | 136 | 95 | 41 |
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| 50-64 | 67 | 50 | 17 |
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| Over 65 | 28 | 15 | 13 |
Student Age Distribution (Graduate)
| Age | Total | Men | Women |
| 18-19 | 1 | 1 | 0 |
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| 20-21 | 42 | 28 | 14 |
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| 22-24 | 1,030 | 534 | 496 |
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| 25-29 | 1,184 | 659 | 525 |
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| 30-34 | 516 | 298 | 218 |
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| 35-39 | 432 | 261 | 171 |
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| 40-49 | 669 | 449 | 220 |
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| 50-64 | 249 | 178 | 71 |
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| Over 65 | 23 | 14 | 9 |
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 Northern Illinois University, 2,197 students are enrolled exclusively in online courses and 7,937 students are enrolled in some online courses.
2,012 students who live in Illinois or the jurisdiction in which the school is located are enrolled exclusively in online courses and 185 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 | 15,414 | 2,197 | 7,937 |
| Undergraduate | 11,348 | 830 | 7,157 |
|---|
| Graduate | 4,066 | 1,367 | 780 |
Online Student Population by Locality
| Illinois Residents | Other States in U.S. | Outside of U.S. |
| All Students | 2,012 | 172 | 13 |
|---|
| Undergraduate | 787 | 42 | 1 |
| Graduate | 1,225 | 130 | 12 |
Transfer-in Students (Undergraduate)
Among 11,348 enrolled in undergraduate programs, 1,461 students have transferred-in from other institutions. The percentage of transfer-in students is 12.87%.1,238 students have transferred in as full-time status and 223 students transferred in as part-time status.
Transfer-in Students (Undergraduate)
| Number of Students |
| Regular Full-time | 8,781 |
| Transfer-in Full-time | 1,238 |
| Regular Part-time | 1,106 |
| Transfer-in Part-time | 223 |
Northern Illinois Enrollment Frequently Asked Questions
For the academic year 2024-2025, 15,414 students are enrolled at Northern Illinois.
11,348 undergraduate and 4,066 graduate students are enrolled at Northern Illinois.
6,960 male (45.15%) and 8,454 female (54.85%) students are attending Northern Illinois.
972 international students (6.31%) are enrolled at Northern Illinois, including 201 undergraduate and 771 graduate students.
Northern Illinois has a student population that is quite diverse with no single group in majority: 6,831 White (44.32%), 2,741 Black (17.78%), and 921 Asian (5.98%) students are enrolled.
3,185 students are under 18 and 51 students are over 65 years old.
2,197 students are enrolled exclusively online, and 7,937 students take some online courses.