How many students at WUSTL?
For the academic year 2024-2025, Washington University in St Louis has a total enrollment of 16,357 students, including 8,220 undergraduate and 8,137 graduate students.
- Gender Breakdown: 7,760 male students (47.4%) and 8,597 female students (52.6%) are attending .
- Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 5,717 White students (35%) and 2,293 Asian students (14%).
- Class Level Breakdown: 8,220 undergraduate students (50.3%) and 8,137 graduate students (49.7%).
- Class Delivery: 678 students are enrolled online exclusively, while 713 students take a hybrid mix of online and on-campus courses.
Compared to similar private (not-for-profit) Research University (very high research activity) - which average 19,644 - WUSTL's body is relatively small.
Explore complete student demographics below, including gender ratio, race and ethnicity, age distribution, and distance learning statistics.
Enrollment by Gender and Class Level
By gender, 7,760 male (47.44%) and 8,597 female (52.56%) students are attending Washington University in St Louis. The number of male students per 100 females students (male-to-female ratio) is 90.26.
By class level, 8,220 (50.25%) are undergraduate students and 8,137 (49.75%) are graduate students. Among undergraduates, 44.70% are male and 55.30% are female, while among graduate students, 50.22% are male and 49.78% are female.
Total Student Enrolled By Gender
| Total | Undergraduate | Graduate |
| Total | 16,357 | 8,220 | 8,137 |
| Men | 7,760 | 3,674 | 4,086 |
| Women | 8,597 | 4,546 | 4,051 |
Student Distribution by Race/Ethnicity
By race/ethnicity, 5,717 White, 1,162 Black, and 2,293 Asian students out of a total of 16,357 are attending at Washington University in St Louis. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).
Washington University in St Louis is highly diverse with a diversity index of 84.2% 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 | 20 | 6 | 14 |
|---|
| Asian | 2,293 | 1,080 | 1,213 |
|---|
| Black | 1,162 | 381 | 781 |
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| Hispanic | 1,468 | 631 | 837 |
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| Native Hawaiian or Other Pacific Islanders | 7 | 4 | 3 |
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| White | 5,717 | 2,552 | 3,165 |
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| Two or more races | 752 | 336 | 416 |
|---|
| Race Unknown | 426 | 216 | 210 |
Race/Ethnicity Distribution (Undergraduate)
| Race | Total | Men | Women |
| American Indian or Native American | 8 | 4 | 4 |
|---|
| Asian | 1,665 | 778 | 887 |
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| Black | 762 | 234 | 528 |
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| Hispanic | 1,059 | 437 | 622 |
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| Native Hawaiian or Other Pacific Islanders | 4 | 3 | 1 |
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| White | 3,258 | 1,491 | 1,767 |
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| Two or more races | 497 | 208 | 289 |
|---|
| Race Unknown | 193 | 92 | 101 |
Race/Ethnicity Distribution (Graduate)
| Race | Total | Men | Women |
| American Indian or Native American | 12 | 2 | 10 |
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| Asian | 628 | 302 | 326 |
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| Black | 400 | 147 | 253 |
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| Hispanic | 409 | 194 | 215 |
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| Native Hawaiian or Other Pacific Islanders | 3 | 1 | 2 |
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| White | 2,459 | 1,061 | 1,398 |
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| Two or more races | 255 | 128 | 127 |
|---|
| Race Unknown | 233 | 124 | 109 |
Student Age Distribution
By age, WUSTL has 60 students under 18 years old and 20 students over 65 years old. There are 11,191 students under 25 years old, and 5,166 students over 25 years old out of 16,357 total students.
In undergraduate programs, 60 students are younger than 18 and 10 students are older than 65. WUSTL has 7,593 undergraduate students aged under 25 and 627 students aged 25 and over.
It has 3,598 graduate students aged under 25 and 4,539 students aged 25 and over.
Student Age Distribution (Total)
| Age | Total | Men | Women |
| Under 18 | 60 | 32 | 28 |
|---|
| 18-19 | 3,200 | 1,747 | 1,453 |
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| 20-21 | 3,727 | 2,035 | 1,692 |
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| 22-24 | 4,204 | 2,094 | 2,110 |
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| 25-29 | 2,971 | 1,486 | 1,485 |
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| 30-34 | 1,094 | 551 | 543 |
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| 35-39 | 467 | 259 | 208 |
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| 40-49 | 471 | 297 | 174 |
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| 50-64 | 143 | 87 | 56 |
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| Over 65 | 20 | 9 | 11 |
Student Age Distribution (Undergraduate)
| Age | Total | Men | Women |
| Under 18 | 60 | 32 | 28 |
|---|
| 18-19 | 3,194 | 1,744 | 1,450 |
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| 20-21 | 3,544 | 1,946 | 1,598 |
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| 22-24 | 795 | 349 | 446 |
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| 25-29 | 136 | 89 | 47 |
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| 30-34 | 138 | 105 | 33 |
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| 35-39 | 115 | 90 | 25 |
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| 40-49 | 163 | 134 | 29 |
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| 50-64 | 65 | 49 | 16 |
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| Over 65 | 10 | 8 | 2 |
Student Age Distribution (Graduate)
| Age | Total | Men | Women |
| 18-19 | 6 | 3 | 3 |
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| 20-21 | 183 | 89 | 94 |
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| 22-24 | 3,409 | 1,745 | 1,664 |
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| 25-29 | 2,835 | 1,397 | 1,438 |
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| 30-34 | 956 | 446 | 510 |
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| 35-39 | 352 | 169 | 183 |
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| 40-49 | 308 | 163 | 145 |
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| 50-64 | 78 | 38 | 40 |
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| Over 65 | 10 | 1 | 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 Washington University in St Louis, 678 students are enrolled exclusively in online courses and 713 students are enrolled in some online courses.
419 students who live in Missouri or the jurisdiction in which the school is located are enrolled exclusively in online courses and 259 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 | 16,357 | 678 | 713 |
| Undergraduate | 8,220 | 424 | 168 |
|---|
| Graduate | 8,137 | 254 | 545 |
Online Student Population by Locality
| Missouri Residents | Other States in U.S. | Outside of U.S. |
| All Students | 419 | 227 | 32 |
|---|
| Undergraduate | 320 | 97 | 7 |
| Graduate | 99 | 130 | 25 |
Transfer-in Students (Undergraduate)
Among 8,220 enrolled in undergraduate programs, 167 students have transferred-in from other institutions. The percentage of transfer-in students is 2.03%.97 students have transferred in as full-time status and 70 students transferred in as part-time status.
Transfer-in Students (Undergraduate)
| Number of Students |
| Regular Full-time | 7,437 |
| Transfer-in Full-time | 97 |
| Regular Part-time | 616 |
| Transfer-in Part-time | 70 |
WUSTL Enrollment Frequently Asked Questions
For the academic year 2024-2025, 16,357 students are enrolled at WUSTL.
8,220 undergraduate and 8,137 graduate students are enrolled at WUSTL.
7,760 male (47.44%) and 8,597 female (52.56%) students are attending WUSTL.
4,512 international students (27.58%) are enrolled at WUSTL, including 774 undergraduate and 3,738 graduate students.
WUSTL has a student population that is quite diverse with no single group in majority: 5,717 White (34.95%), 1,162 Black (7.10%), and 2,293 Asian (14.02%) students are enrolled.
60 students are under 18 and 20 students are over 65 years old.
678 students are enrolled exclusively online, and 713 students take some online courses.