The student population at Lehigh University is 7,692 (5,911 undergraduate and 1,781 graduate students) . The number of students has increased by 638 (9.04%) over the past decade.
The average student population over the last 11 years is 7,194 where 7,692 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 7 year-over-year increases and 2 decreases. It peaked at 7,692 students in 2025 and was lowest at 6,849 in 2019. Overall, enrollment rose from 7,054 to 7,692 students, a net gain of 638 (9%).
The following table and chart illustrate the changes in student population by gender at Lehigh University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 7,054 | 5,075 | 2,817 | 2,258 | 1,979 | 1,085 | 894 |
| 2016-17 | 7,059 5 | 5,080 5 | 2,852 35 | 2,228 -30 | 1,979 | 1,070 -15 | 909 15 |
| 2017-18 | 7,017 -42 | 5,075 -5 | 2,775 -77 | 2,300 72 | 1,942 -37 | 1,071 1 | 871 -38 |
| 2018-19 | 6,849 -168 | 5,047 -28 | 2,735 -40 | 2,312 12 | 1,802 -140 | 990 -81 | 812 -59 |
| 2019-20 | 6,953 104 | 5,178 131 | 2,779 44 | 2,399 87 | 1,775 -27 | 974 -16 | 801 -11 |
| 2020-21 | 7,067 114 | 5,203 25 | 2,797 18 | 2,406 7 | 1,864 89 | 999 25 | 865 64 |
| 2021-22 | 7,263 196 | 5,451 248 | 2,941 144 | 2,510 104 | 1,812 -52 | 962 -37 | 850 -15 |
| 2022-23 | 7,394 131 | 5,624 173 | 3,039 98 | 2,585 75 | 1,770 -42 | 955 -7 | 815 -35 |
| 2023-24 | 7,590 196 | 5,811 187 | 3,047 8 | 2,764 179 | 1,779 9 | 915 -40 | 864 49 |
| 2024-25 | 7,692 102 | 5,911 100 | 3,075 28 | 2,836 72 | 1,781 2 | 900 -15 | 881 17 |
| Average | 7,194 | 5,346 | 2,886 | 2,460 | 1,848 | 992 | 856 |
The average number of Undergraduate students over the last 11 years is 5,346 where 5,911 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 Lehigh University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 5,075 | 5,001 | 2,766 | 2,235 | 74 | 51 | 23 |
| 2016-17 | 5,080 | 5,003 | 2,807 | 2,196 | 77 | 45 | 32 |
| 2017-18 | 5,075 | 5,013 | 2,738 | 2,275 | 62 | 37 | 25 |
| 2018-19 | 5,047 | 4,982 | 2,699 | 2,283 | 65 | 36 | 29 |
| 2019-20 | 5,178 | 5,107 | 2,739 | 2,368 | 71 | 40 | 31 |
| 2020-21 | 5,203 | 5,070 | 2,711 | 2,359 | 133 | 86 | 47 |
| 2021-22 | 5,451 | 5,375 | 2,895 | 2,480 | 76 | 46 | 30 |
| 2022-23 | 5,624 | 5,557 | 2,999 | 2,558 | 67 | 40 | 27 |
| 2023-24 | 5,811 | 5,736 | 3,003 | 2,733 | 75 | 44 | 31 |
| 2024-25 | 5,911 | 5,823 | 3,018 | 2,805 | 88 | 57 | 31 |
| Average | 5,346 | 5,346 | 2,838 | 2,429 | 5,346 | 48 | 31 |
The average number of Graduate students over the last 11 years is 1,848 where 1,781 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 Lehigh University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 1,979 | 1,209 | 697 | 512 | 770 | 388 | 382 |
| 2016-17 | 1,979 | 1,227 | 708 | 519 | 752 | 362 | 390 |
| 2017-18 | 1,942 | 1,220 | 707 | 513 | 722 | 364 | 358 |
| 2018-19 | 1,802 | 1,111 | 658 | 453 | 691 | 332 | 359 |
| 2019-20 | 1,775 | 1,038 | 616 | 422 | 737 | 358 | 379 |
| 2020-21 | 1,864 | 1,048 | 610 | 438 | 816 | 389 | 427 |
| 2021-22 | 1,812 | 1,032 | 585 | 447 | 780 | 377 | 403 |
| 2022-23 | 1,770 | 1,054 | 602 | 452 | 716 | 353 | 363 |
| 2023-24 | 1,779 | 1,049 | 577 | 472 | 730 | 338 | 392 |
| 2024-25 | 1,781 | 1,053 | 578 | 475 | 728 | 322 | 406 |
| Average | 1,848 | 1,848 | 634 | 470 | 1,848 | 358 | 386 |
The percentage of white students is 57.10%. The percentage was 59.98% 10 years ago and Lehigh still has a high percentage of white students. 9.37% of enrolled students is Asian and 4.50% is black students. Hispanic students comprise 9.96% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 59.98% to 57.10%. Asian enrollment grew from 7.17% to 9.37%. Black student enrollment increased from 3.12% to 4.50%. Hispanic student representation expanded from 7.00% to 9.96%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6520 which indicates that moderately diverse. This increased from 0.6288 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Lehigh 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 | 10 | 506 | 220 | 494 | 5 | 4,231 | 140 |
| 2016-17 | 8 | 499 | 231 | 514 | 6 | 4,214 | 137 |
| 2017-18 | 9 | 487 | 232 | 515 | 8 | 4,138 | 162 |
| 2018-19 | 6 | 467 | 219 | 565 | 8 | 4,014 | 178 |
| 2019-20 | 5 | 471 | 260 | 570 | 9 | 4,101 | 197 |
| 2020-21 | 4 | 512 | 289 | 634 | 3 | 4,173 | 207 |
| 2021-22 | 7 | 580 | 310 | 660 | 3 | 4,296 | 216 |
| 2022-23 | 6 | 644 | 347 | 675 | 4 | 4,279 | 249 |
| 2023-24 | 7 | 698 | 350 | 736 | 2 | 4,325 | 257 |
| 2024-25 | 5 | 721 | 346 | 766 | 6 | 4,392 | 273 |
| Average | 7 | 559 | 280 | 613 | 5 | 4,216 | 202 |
377 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 5% of total students. The number of online students has increased 28.67% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Lehigh University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 7,054 | 293 | 112 | 6,649 |
| 2016-17 | 7,059 | 281 | 115 | 6,663 |
| 2017-18 | 7,017 | 284 | 194 | 6,539 |
| 2018-19 | 6,849 | 296 | 69 | 6,484 |
| 2019-20 | 6,953 | 320 | 92 | 6,541 |
| 2020-21 | 7,067 | 400 | 50 | 6,617 |
| 2021-22 | 7,263 | 482 | 903 | 5,878 |
| 2022-23 | 7,394 | 431 | 389 | 6,574 |
| 2023-24 | 7,590 | 434 | 478 | 6,678 |
| 2024-25 | 7,692 | 377 | 290 | 7,025 |
| Average | 7,194 | 360 | 269 | 6,565 |
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