The student population at Oklahoma State University-Main Campus is 27,278 (22,364 undergraduate and 4,914 graduate students) . The number of students has increased by 1,348 (5.20%) over the past decade.
The average student population over the last 11 years is 25,342 where 27,278 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 5 year-over-year increases and 4 decreases. It peaked at 27,278 students in 2025 and was lowest at 24,079 in 2020. Overall, enrollment rose from 25,930 to 27,278 students, a net gain of 1,348 (5.2%).
The following table and chart illustrate the changes in student population by gender at Oklahoma State University-Main Campus since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 25,930 | 21,177 | 10,827 | 10,350 | 4,753 | 2,561 | 2,192 |
| 2016-17 | 25,622 -308 | 21,101 -76 | 10,733 -94 | 10,368 18 | 4,521 -232 | 2,387 -174 | 2,134 -58 |
| 2017-18 | 25,295 -327 | 20,992 -109 | 10,674 -59 | 10,318 -50 | 4,303 -218 | 2,167 -220 | 2,136 2 |
| 2018-19 | 24,690 -605 | 20,597 -395 | 10,443 -231 | 10,154 -164 | 4,093 -210 | 2,008 -159 | 2,085 -51 |
| 2019-20 | 24,079 -611 | 20,041 -556 | 10,101 -342 | 9,940 -214 | 4,038 -55 | 1,948 -60 | 2,090 5 |
| 2020-21 | 24,535 456 | 20,323 282 | 9,972 -129 | 10,351 411 | 4,212 174 | 2,001 53 | 2,211 121 |
| 2021-22 | 24,577 42 | 20,216 -107 | 9,682 -290 | 10,534 183 | 4,361 149 | 2,092 91 | 2,269 58 |
| 2022-23 | 25,372 795 | 20,786 570 | 9,968 286 | 10,818 284 | 4,586 225 | 2,251 159 | 2,335 66 |
| 2023-24 | 26,043 671 | 21,354 568 | 10,148 180 | 11,206 388 | 4,689 103 | 2,232 -19 | 2,457 122 |
| 2024-25 | 27,278 1,235 | 22,364 1,010 | 10,552 404 | 11,812 606 | 4,914 225 | 2,322 90 | 2,592 135 |
| Average | 25,342 | 20,895 | 10,310 | 10,585 | 4,447 | 2,197 | 2,250 |
The average number of Undergraduate students over the last 11 years is 20,895 where 22,364 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 Oklahoma State University-Main Campus since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 21,177 | 18,347 | 9,419 | 8,928 | 2,830 | 1,408 | 1,422 |
| 2016-17 | 21,101 | 18,414 | 9,325 | 9,089 | 2,687 | 1,408 | 1,279 |
| 2017-18 | 20,992 | 18,221 | 9,265 | 8,956 | 2,771 | 1,409 | 1,362 |
| 2018-19 | 20,597 | 17,722 | 8,968 | 8,754 | 2,875 | 1,475 | 1,400 |
| 2019-20 | 20,041 | 17,291 | 8,727 | 8,564 | 2,750 | 1,374 | 1,376 |
| 2020-21 | 20,323 | 17,624 | 8,686 | 8,938 | 2,699 | 1,286 | 1,413 |
| 2021-22 | 20,216 | 17,765 | 8,605 | 9,160 | 2,451 | 1,077 | 1,374 |
| 2022-23 | 20,786 | 18,265 | 8,765 | 9,500 | 2,521 | 1,203 | 1,318 |
| 2023-24 | 21,354 | 18,930 | 9,051 | 9,879 | 2,424 | 1,097 | 1,327 |
| 2024-25 | 22,364 | 20,024 | 9,464 | 10,560 | 2,340 | 1,088 | 1,252 |
| Average | 20,895 | 20,895 | 9,028 | 9,233 | 20,895 | 1,283 | 1,352 |
The average number of Graduate students over the last 11 years is 4,447 where 4,914 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 Oklahoma State University-Main Campus since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 4,753 | 1,857 | 913 | 944 | 2,896 | 1,648 | 1,248 |
| 2016-17 | 4,521 | 1,815 | 891 | 924 | 2,706 | 1,496 | 1,210 |
| 2017-18 | 4,303 | 1,712 | 761 | 951 | 2,591 | 1,406 | 1,185 |
| 2018-19 | 4,093 | 1,665 | 677 | 988 | 2,428 | 1,331 | 1,097 |
| 2019-20 | 4,038 | 1,593 | 618 | 975 | 2,445 | 1,330 | 1,115 |
| 2020-21 | 4,212 | 1,640 | 616 | 1,024 | 2,572 | 1,385 | 1,187 |
| 2021-22 | 4,361 | 1,806 | 727 | 1,079 | 2,555 | 1,365 | 1,190 |
| 2022-23 | 4,586 | 1,954 | 805 | 1,149 | 2,632 | 1,446 | 1,186 |
| 2023-24 | 4,689 | 1,900 | 768 | 1,132 | 2,789 | 1,464 | 1,325 |
| 2024-25 | 4,914 | 1,963 | 773 | 1,190 | 2,951 | 1,549 | 1,402 |
| Average | 4,447 | 4,447 | 755 | 1,036 | 4,447 | 1,442 | 1,215 |
The percentage of white students is 62.82%. The percentage was 66.76% 10 years ago and Oklahoma State still has a high percentage of white students. 2.06% of enrolled students is Asian and 4.03% is black students. Hispanic students comprise 9.59% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 66.76% to 62.82%. Asian enrollment grew from 1.72% to 2.06%. Black student enrollment decreased from 4.51% to 4.03%. Hispanic student representation expanded from 5.82% to 9.59%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.5796 which indicates that moderately diverse. This increased from 0.5401 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Oklahoma State University-Main Campus 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 | 1,140 | 447 | 1,170 | 1,510 | 29 | 17,311 | 2,092 |
| 2016-17 | 1,069 | 451 | 1,162 | 1,653 | 32 | 16,975 | 2,150 |
| 2017-18 | 1,060 | 456 | 1,115 | 1,790 | 28 | 16,630 | 2,287 |
| 2018-19 | 1,002 | 476 | 1,046 | 1,831 | 25 | 16,309 | 2,208 |
| 2019-20 | 1,012 | 500 | 985 | 1,833 | 22 | 16,028 | 2,077 |
| 2020-21 | 996 | 510 | 1,020 | 1,965 | 23 | 16,326 | 2,312 |
| 2021-22 | 1,014 | 519 | 1,021 | 2,060 | 21 | 16,222 | 2,308 |
| 2022-23 | 1,095 | 544 | 1,027 | 2,179 | 25 | 16,489 | 2,498 |
| 2023-24 | 1,171 | 573 | 1,054 | 2,335 | 33 | 16,578 | 2,719 |
| 2024-25 | 1,235 | 563 | 1,099 | 2,616 | 37 | 17,137 | 3,042 |
| Average | 1,079 | 504 | 1,070 | 1,977 | 28 | 16,601 | 2,369 |
3,795 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 14% of total students. The number of online students has increased 190.80% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Oklahoma State University-Main Campus from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 25,930 | 1,305 | 6,108 | 18,517 |
| 2016-17 | 25,622 | 1,380 | 7,099 | 17,143 |
| 2017-18 | 25,295 | 1,424 | 8,207 | 15,664 |
| 2018-19 | 24,690 | 1,618 | 8,190 | 14,882 |
| 2019-20 | 24,079 | 1,670 | 8,512 | 13,897 |
| 2020-21 | 24,535 | 6,065 | 15,452 | 3,018 |
| 2021-22 | 24,577 | 2,653 | 10,181 | 11,743 |
| 2022-23 | 25,372 | 2,990 | 10,378 | 12,004 |
| 2023-24 | 26,043 | 3,401 | 10,802 | 11,840 |
| 2024-25 | 27,278 | 3,795 | 12,516 | 10,967 |
| Average | 25,342 | 2,630 | 9,745 | 12,968 |
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