The student population at Northwestern University is 23,856 (9,399 undergraduate and 14,457 graduate students) . The number of students has increased by 2,201 (10.16%) over the past decade.
The average student population over the last 11 years is 22,629 where 23,856 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 8 year-over-year increases and 1 decrease. It peaked at 23,856 students in 2025 and was lowest at 21,655 in 2016. Overall, enrollment rose from 21,655 to 23,856 students, a net gain of 2,201 (10.2%).
The following table and chart illustrate the changes in student population by gender at Northwestern University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 21,655 | 8,839 | 4,415 | 4,424 | 12,816 | 7,017 | 5,799 |
| 2016-17 | 21,823 168 | 8,791 -48 | 4,352 -63 | 4,439 15 | 13,032 216 | 6,984 -33 | 6,048 249 |
| 2017-18 | 22,008 185 | 8,700 -91 | 4,284 -68 | 4,416 -23 | 13,308 276 | 6,973 -11 | 6,335 287 |
| 2018-19 | 22,127 119 | 8,642 -58 | 4,192 -92 | 4,450 34 | 13,485 177 | 6,916 -57 | 6,569 234 |
| 2019-20 | 22,448 321 | 8,682 40 | 4,214 22 | 4,468 18 | 13,766 281 | 6,895 -21 | 6,871 302 |
| 2020-21 | 22,603 155 | 8,559 -123 | 4,065 -149 | 4,494 26 | 14,044 278 | 6,841 -54 | 7,203 332 |
| 2021-22 | 23,409 806 | 8,847 288 | 4,082 17 | 4,765 271 | 14,562 518 | 6,882 41 | 7,680 477 |
| 2022-23 | 23,161 -248 | 8,993 146 | 4,126 44 | 4,867 102 | 14,168 -394 | 6,585 -297 | 7,583 -97 |
| 2023-24 | 23,203 42 | 9,157 164 | 4,130 4 | 5,027 160 | 14,046 -122 | 6,378 -207 | 7,668 85 |
| 2024-25 | 23,856 653 | 9,399 242 | 4,254 124 | 5,145 118 | 14,457 411 | 6,442 64 | 8,015 347 |
| Average | 22,629 | 8,861 | 4,211 | 4,650 | 13,768 | 6,791 | 6,977 |
The average number of Undergraduate students over the last 11 years is 8,861 where 9,399 students are attending the Undergraduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Undergraduate enrollment by attending status and gender at Northwestern University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 8,839 | 8,247 | 4,139 | 4,108 | 592 | 276 | 316 |
| 2016-17 | 8,791 | 8,298 | 4,146 | 4,152 | 493 | 206 | 287 |
| 2017-18 | 8,700 | 8,205 | 4,065 | 4,140 | 495 | 219 | 276 |
| 2018-19 | 8,642 | 8,161 | 4,014 | 4,147 | 481 | 178 | 303 |
| 2019-20 | 8,682 | 8,284 | 4,050 | 4,234 | 398 | 164 | 234 |
| 2020-21 | 8,559 | 8,095 | 3,869 | 4,226 | 464 | 196 | 268 |
| 2021-22 | 8,847 | 8,438 | 3,947 | 4,491 | 409 | 135 | 274 |
| 2022-23 | 8,993 | 8,656 | 3,990 | 4,666 | 337 | 136 | 201 |
| 2023-24 | 9,157 | 8,794 | 3,992 | 4,802 | 363 | 138 | 225 |
| 2024-25 | 9,399 | 9,020 | 4,116 | 4,904 | 379 | 138 | 241 |
| Average | 8,861 | 8,861 | 4,033 | 4,387 | 8,861 | 179 | 263 |
The average number of Graduate students over the last 11 years is 13,768 where 14,457 students are attending the Graduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Graduate enrollment by attending status and gender at Northwestern University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 12,816 | 8,938 | 4,728 | 4,210 | 3,878 | 2,289 | 1,589 |
| 2016-17 | 13,032 | 9,177 | 4,759 | 4,418 | 3,855 | 2,225 | 1,630 |
| 2017-18 | 13,308 | 9,459 | 4,844 | 4,615 | 3,849 | 2,129 | 1,720 |
| 2018-19 | 13,485 | 9,587 | 4,849 | 4,738 | 3,898 | 2,067 | 1,831 |
| 2019-20 | 13,766 | 9,910 | 4,909 | 5,001 | 3,856 | 1,986 | 1,870 |
| 2020-21 | 14,044 | 9,641 | 4,637 | 5,004 | 4,403 | 2,204 | 2,199 |
| 2021-22 | 14,562 | 10,397 | 4,890 | 5,507 | 4,165 | 1,992 | 2,173 |
| 2022-23 | 14,168 | 10,608 | 4,906 | 5,702 | 3,560 | 1,679 | 1,881 |
| 2023-24 | 14,046 | 10,657 | 4,886 | 5,771 | 3,389 | 1,492 | 1,897 |
| 2024-25 | 14,457 | 11,170 | 5,039 | 6,131 | 3,287 | 1,403 | 1,884 |
| Average | 13,768 | 13,768 | 4,845 | 5,110 | 13,768 | 1,947 | 1,867 |
The percentage of white students is 32.86% and the percentage of black students is 6.47% at Northwestern University. 15.96% of enrolled students is Asian. Hispanic students comprise 10.57% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 46.50% to 32.86%. Asian enrollment grew from 13.35% to 15.96%. Black student enrollment increased from 4.95% to 6.47%. Hispanic student representation expanded from 7.87% to 10.57%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.8487 which indicates that highly diverse. This increased from 0.7564 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Northwestern University over the past 11 years (2015-2025).
| Year | American Indian or Native American | Asian | Black | Hispanic | Native Hawaiian or Other Pacific Islander | White | Two or More Races |
|---|---|---|---|---|---|---|---|
| 2015-16 | 20 | 2,892 | 1,073 | 1,704 | 14 | 10,070 | 630 |
| 2016-17 | 26 | 2,939 | 1,090 | 1,805 | 10 | 9,838 | 713 |
| 2017-18 | 24 | 3,018 | 1,121 | 1,866 | 11 | 9,726 | 772 |
| 2018-19 | 29 | 3,112 | 1,170 | 1,908 | 13 | 9,673 | 828 |
| 2019-20 | 28 | 3,244 | 1,192 | 1,948 | 11 | 9,633 | 869 |
| 2020-21 | 29 | 3,507 | 1,282 | 2,089 | 8 | 9,745 | 907 |
| 2021-22 | 28 | 3,718 | 1,308 | 2,302 | 12 | 9,506 | 983 |
| 2022-23 | 22 | 3,697 | 1,296 | 2,330 | 17 | 8,560 | 1,059 |
| 2023-24 | 20 | 3,799 | 1,386 | 2,420 | 16 | 8,040 | 1,120 |
| 2024-25 | 29 | 3,808 | 1,543 | 2,521 | 10 | 7,840 | 1,176 |
| Average | 26 | 3,373 | 1,246 | 2,089 | 12 | 9,263 | 906 |
781 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 3% of total students. The number of online students has decreased -52.03% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Northwestern University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 21,655 | 1,628 | 0 | 20,027 |
| 2016-17 | 21,823 | 1,387 | 0 | 20,436 |
| 2017-18 | 22,008 | 1,281 | 0 | 20,727 |
| 2018-19 | 22,127 | 654 | 0 | 21,473 |
| 2019-20 | 22,448 | 418 | 0 | 22,030 |
| 2020-21 | 22,603 | 329 | 0 | 22,274 |
| 2021-22 | 23,409 | 1,740 | 0 | 21,669 |
| 2022-23 | 23,161 | 1,123 | 1,594 | 20,444 |
| 2023-24 | 23,203 | 958 | 1,515 | 20,730 |
| 2024-25 | 23,856 | 781 | 1,509 | 21,566 |
| Average | 22,629 | 1,030 | 462 | 21,138 |
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