The student population at Stony Brook University is 26,689 (18,263 undergraduate and 8,426 graduate students) . The number of students has increased by 1,417 over the past decade.
The percentage of undergraduate students at SUNY Stony Brook is 68.43% which is increased by 1,432 over last 10 years. The graduate student population decreased by 15 and it has been decreasing.
The female to male ratio is 1.11 to 1 which means that female students enrolled slightly more than male students.
1,783 students enrolled in online degree program exclusively and the number of online students has decreased by -4.60% since 2015.
The average student population over the last 11 years is 26,172 where 26,689 students are attending the school for the academic year 2024-2025.
68.43% of total students is undergraduate students and 31.57% students is graduate students. The number of undergraduate students has increased by 1,432 and the graduate enrollment has decreased by 15 over past 10 years.
The female to male ratio is 1.11 to 1 and it means that there are slightly more female students enrolled in SUNY Stony Brook than male students.
The following table and chart illustrate the changes in student population by gender at Stony Brook University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 25,272 | 16,831 | 9,141 | 7,690 | 8,441 | 3,732 | 4,709 |
| 2016-17 | 25,734 462 | 17,026 195 | 9,148 7 | 7,878 188 | 8,708 267 | 3,702 -30 | 5,006 297 |
| 2017-18 | 25,989 255 | 17,364 338 | 9,258 110 | 8,106 228 | 8,625 -83 | 3,655 -47 | 4,970 -36 |
| 2018-19 | 26,256 267 | 17,522 158 | 9,033 -225 | 8,489 383 | 8,734 109 | 3,683 28 | 5,051 81 |
| 2019-20 | 26,814 558 | 17,909 387 | 9,045 12 | 8,864 375 | 8,905 171 | 3,786 103 | 5,119 68 |
| 2020-21 | 26,782 -32 | 18,010 101 | 8,956 -89 | 9,054 190 | 8,772 -133 | 3,656 -130 | 5,116 -3 |
| 2021-22 | 26,608 -174 | 17,999 -11 | 8,810 -146 | 9,189 135 | 8,609 -163 | 3,622 -34 | 4,987 -129 |
| 2022-23 | 25,710 -898 | 17,509 -490 | 8,610 -200 | 8,899 -290 | 8,201 -408 | 3,571 -51 | 4,630 -357 |
| 2023-24 | 25,865 155 | 17,549 40 | 8,604 -6 | 8,945 46 | 8,316 115 | 3,605 34 | 4,711 81 |
| 2024-25 | 26,689 824 | 18,263 714 | 8,900 296 | 9,363 418 | 8,426 110 | 3,722 117 | 4,704 -7 |
| Average | 26,172 | 17,598 | 8,951 | 8,648 | 8,574 | 3,673 | 4,900 |
The average number of Undergraduate students over the last 11 years is 17,598 where 18,263 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 Stony Brook University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 16,831 | 15,714 | 8,538 | 7,176 | 1,117 | 603 | 514 |
| 2016-17 | 17,026 | 15,858 | 8,526 | 7,332 | 1,168 | 622 | 546 |
| 2017-18 | 17,364 | 16,212 | 8,630 | 7,582 | 1,152 | 628 | 524 |
| 2018-19 | 17,522 | 16,341 | 8,414 | 7,927 | 1,181 | 619 | 562 |
| 2019-20 | 17,909 | 16,697 | 8,419 | 8,278 | 1,212 | 626 | 586 |
| 2020-21 | 18,010 | 16,586 | 8,217 | 8,369 | 1,424 | 739 | 685 |
| 2021-22 | 17,999 | 16,698 | 8,140 | 8,558 | 1,301 | 670 | 631 |
| 2022-23 | 17,509 | 16,406 | 8,018 | 8,388 | 1,103 | 592 | 511 |
| 2023-24 | 17,549 | 16,493 | 8,030 | 8,463 | 1,056 | 574 | 482 |
| 2024-25 | 18,263 | 17,231 | 8,345 | 8,886 | 1,032 | 555 | 477 |
| Average | 17,598 | 17,598 | 8,328 | 8,096 | 17,598 | 623 | 552 |
The average number of Graduate students over the last 11 years is 8,574 where 8,426 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 Stony Brook University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 8,441 | 5,336 | 2,760 | 2,576 | 3,105 | 972 | 2,133 |
| 2016-17 | 8,708 | 5,419 | 2,692 | 2,727 | 3,289 | 1,010 | 2,279 |
| 2017-18 | 8,625 | 5,558 | 2,788 | 2,770 | 3,067 | 867 | 2,200 |
| 2018-19 | 8,734 | 5,365 | 2,715 | 2,650 | 3,369 | 968 | 2,401 |
| 2019-20 | 8,905 | 5,491 | 2,840 | 2,651 | 3,414 | 946 | 2,468 |
| 2020-21 | 8,772 | 5,399 | 2,671 | 2,728 | 3,373 | 985 | 2,388 |
| 2021-22 | 8,609 | 5,759 | 2,857 | 2,902 | 2,850 | 765 | 2,085 |
| 2022-23 | 8,201 | 5,587 | 2,769 | 2,818 | 2,614 | 802 | 1,812 |
| 2023-24 | 8,316 | 5,717 | 2,893 | 2,824 | 2,599 | 712 | 1,887 |
| 2024-25 | 8,426 | 5,909 | 3,014 | 2,895 | 2,517 | 708 | 1,809 |
| Average | 8,574 | 8,574 | 2,800 | 2,754 | 8,574 | 874 | 2,146 |
The percentage of white students is 29.21% and the percentage of black students is 5.82% at Stony Brook University. 28.24% of enrolled students is Asian. Hispanic students comprise 13.57% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 38.64% to 29.21%. Asian enrollment grew from 18.61% to 28.24%. Black student enrollment decreased from 6.11% to 5.82%. Hispanic student representation expanded from 9.43% to 13.57%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.8123 which indicates that highly diverse. This increased from 0.8030 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Stony Brook 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 | 36 | 4,704 | 1,544 | 2,382 | 27 | 9,766 | 481 |
| 2016-17 | 35 | 4,800 | 1,573 | 2,585 | 25 | 9,763 | 516 |
| 2017-18 | 43 | 4,945 | 1,649 | 2,710 | 20 | 9,543 | 555 |
| 2018-19 | 30 | 5,327 | 1,737 | 2,852 | 20 | 9,542 | 595 |
| 2019-20 | 18 | 5,719 | 1,708 | 3,003 | 20 | 9,347 | 618 |
| 2020-21 | 17 | 6,235 | 1,662 | 3,285 | 17 | 9,407 | 678 |
| 2021-22 | 16 | 6,551 | 1,551 | 3,343 | 16 | 8,675 | 677 |
| 2022-23 | 17 | 6,829 | 1,464 | 3,316 | 17 | 7,844 | 625 |
| 2023-24 | 17 | 7,216 | 1,510 | 3,438 | 17 | 7,858 | 702 |
| 2024-25 | 20 | 7,538 | 1,552 | 3,622 | 13 | 7,797 | 760 |
| Average | 25 | 5,986 | 1,595 | 3,054 | 19 | 8,954 | 621 |
1,783 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 7% of total students. The number of online students has decreased -4.60% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Stony Brook University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 25,272 | 1,869 | 1,362 | 22,041 |
| 2016-17 | 25,734 | 2,006 | 1,770 | 21,958 |
| 2017-18 | 25,989 | 1,966 | 2,706 | 21,317 |
| 2018-19 | 26,256 | 1,309 | 3,157 | 21,790 |
| 2019-20 | 26,814 | 1,444 | 4,325 | 21,045 |
| 2020-21 | 26,782 | 12,571 | 11,458 | 2,753 |
| 2021-22 | 26,608 | 3,072 | 14,521 | 9,015 |
| 2022-23 | 25,710 | 2,171 | 13,828 | 9,711 |
| 2023-24 | 25,865 | 1,814 | 11,283 | 12,768 |
| 2024-25 | 26,689 | 1,783 | 11,369 | 13,537 |
| Average | 26,172 | 3,001 | 7,578 | 15,594 |
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