The student population at Saint Louis University is 17,059 (10,413 undergraduate and 6,646 graduate students) . The number of students has increased by 12 (0.07%) over the past decade.
The average student population over the last 11 years is 15,118 where 17,059 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 3 year-over-year increases and 6 decreases. It peaked at 17,202 students in 2024 and was lowest at 12,229 in 2021. Overall, enrollment rose from 17,047 to 17,059 students, a net gain of 12 (0.1%).
The following table and chart illustrate the changes in student population by gender at Saint Louis University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 17,047 | 12,401 | 5,084 | 7,317 | 4,646 | 1,893 | 2,753 |
| 2016-17 | 16,591 -456 | 11,779 -622 | 4,774 -310 | 7,005 -312 | 4,812 166 | 1,902 9 | 2,910 157 |
| 2017-18 | 14,581 -2,010 | 9,910 -1,869 | 3,908 -866 | 6,002 -1,003 | 4,671 -141 | 1,842 -60 | 2,829 -81 |
| 2018-19 | 14,438 -143 | 9,782 -128 | 3,899 -9 | 5,883 -119 | 4,656 -15 | 1,858 16 | 2,798 -31 |
| 2019-20 | 12,799 -1,639 | 8,332 -1,450 | 3,327 -572 | 5,005 -878 | 4,467 -189 | 1,783 -75 | 2,684 -114 |
| 2020-21 | 12,229 -570 | 7,723 -609 | 3,022 -305 | 4,701 -304 | 4,506 39 | 1,774 -9 | 2,732 48 |
| 2021-22 | 13,474 1,245 | 8,745 1,022 | 3,457 435 | 5,288 587 | 4,729 223 | 1,889 115 | 2,840 108 |
| 2022-23 | 15,755 2,281 | 10,662 1,917 | 4,336 879 | 6,326 1,038 | 5,093 364 | 2,115 226 | 2,978 138 |
| 2023-24 | 17,202 1,447 | 10,519 -143 | 4,399 63 | 6,120 -206 | 6,683 1,590 | 3,099 984 | 3,584 606 |
| 2024-25 | 17,059 -143 | 10,413 -106 | 4,497 98 | 5,916 -204 | 6,646 -37 | 3,090 -9 | 3,556 -28 |
| Average | 15,118 | 10,027 | 4,070 | 5,956 | 5,091 | 2,125 | 2,966 |
The average number of Undergraduate students over the last 11 years is 10,027 where 10,413 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 Saint Louis University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 12,401 | 6,899 | 2,900 | 3,999 | 5,502 | 2,184 | 3,318 |
| 2016-17 | 11,779 | 6,747 | 2,785 | 3,962 | 5,032 | 1,989 | 3,043 |
| 2017-18 | 9,910 | 6,625 | 2,640 | 3,985 | 3,285 | 1,268 | 2,017 |
| 2018-19 | 9,782 | 6,440 | 2,565 | 3,875 | 3,342 | 1,334 | 2,008 |
| 2019-20 | 8,332 | 6,691 | 2,632 | 4,059 | 1,641 | 695 | 946 |
| 2020-21 | 7,723 | 6,847 | 2,585 | 4,262 | 876 | 437 | 439 |
| 2021-22 | 8,745 | 6,647 | 2,499 | 4,148 | 2,098 | 958 | 1,140 |
| 2022-23 | 10,662 | 6,708 | 2,589 | 4,119 | 3,954 | 1,747 | 2,207 |
| 2023-24 | 10,519 | 6,744 | 2,647 | 4,097 | 3,775 | 1,752 | 2,023 |
| 2024-25 | 10,413 | 6,734 | 2,692 | 4,042 | 3,679 | 1,805 | 1,874 |
| Average | 10,027 | 10,027 | 2,653 | 4,055 | 10,027 | 1,417 | 1,902 |
The average number of Graduate students over the last 11 years is 5,091 where 6,646 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 Saint Louis University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 4,646 | 4,038 | 1,654 | 2,384 | 608 | 239 | 369 |
| 2016-17 | 4,812 | 4,124 | 1,662 | 2,462 | 688 | 240 | 448 |
| 2017-18 | 4,671 | 4,082 | 1,654 | 2,428 | 589 | 188 | 401 |
| 2018-19 | 4,656 | 4,080 | 1,661 | 2,419 | 576 | 197 | 379 |
| 2019-20 | 4,467 | 3,873 | 1,590 | 2,283 | 594 | 193 | 401 |
| 2020-21 | 4,506 | 3,889 | 1,592 | 2,297 | 617 | 182 | 435 |
| 2021-22 | 4,729 | 4,107 | 1,684 | 2,423 | 622 | 205 | 417 |
| 2022-23 | 5,093 | 4,521 | 1,919 | 2,602 | 572 | 196 | 376 |
| 2023-24 | 6,683 | 6,160 | 2,900 | 3,260 | 523 | 199 | 324 |
| 2024-25 | 6,646 | 6,000 | 2,808 | 3,192 | 646 | 282 | 364 |
| Average | 5,091 | 5,091 | 1,912 | 2,575 | 5,091 | 212 | 391 |
The percentage of white students is 50.74%. The percentage was 71.40% 10 years ago and Saint Louis still has a high percentage of white students. 9.00% of enrolled students is Asian and 7.61% is black students. Hispanic students comprise 6.55% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 71.40% to 50.74%. Asian enrollment grew from 7.07% to 9.00%. Black student enrollment increased from 6.47% to 7.61%. Hispanic student representation expanded from 3.90% to 6.55%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.7228 which indicates that quite diverse. This increased from 0.4780 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Saint Louis 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 | 13 | 1,205 | 1,103 | 665 | 0 | 12,172 | 652 |
| 2016-17 | 22 | 1,252 | 1,077 | 690 | 13 | 11,830 | 528 |
| 2017-18 | 21 | 1,235 | 913 | 693 | 6 | 10,174 | 452 |
| 2018-19 | 20 | 1,255 | 958 | 724 | 14 | 9,874 | 483 |
| 2019-20 | 17 | 1,241 | 811 | 692 | 3 | 8,658 | 432 |
| 2020-21 | 15 | 1,338 | 817 | 757 | 3 | 7,954 | 452 |
| 2021-22 | 19 | 1,448 | 977 | 880 | 8 | 8,475 | 526 |
| 2022-23 | 21 | 1,498 | 1,022 | 894 | 5 | 8,043 | 562 |
| 2023-24 | 23 | 1,572 | 1,197 | 1,063 | 4 | 9,192 | 672 |
| 2024-25 | 23 | 1,535 | 1,299 | 1,117 | 7 | 8,656 | 671 |
| Average | 19 | 1,358 | 1,017 | 818 | 6 | 9,503 | 543 |
1,143 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 increased 15.45% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Saint Louis University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 17,047 | 990 | 1,041 | 15,016 |
| 2016-17 | 16,591 | 1,210 | 646 | 14,735 |
| 2017-18 | 14,581 | 1,202 | 1,033 | 12,346 |
| 2018-19 | 14,438 | 1,113 | 725 | 12,600 |
| 2019-20 | 12,799 | 1,000 | 593 | 11,206 |
| 2020-21 | 12,229 | 2,543 | 6,447 | 3,239 |
| 2021-22 | 13,474 | 1,352 | 2,186 | 9,936 |
| 2022-23 | 15,755 | 1,218 | 1,803 | 12,734 |
| 2023-24 | 17,202 | 1,146 | 3,268 | 12,788 |
| 2024-25 | 17,059 | 1,143 | 2,559 | 13,357 |
| Average | 15,118 | 1,292 | 2,030 | 11,796 |
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