The student population at University of California-San Diego is 44,256 (34,955 undergraduate and 9,301 graduate students) . The number of students has increased by 11,350 over the past decade.
The percentage of undergraduate students at UCSD is 78.98% which is increased by 8,365 over last 10 years. The graduate student population increased by 2,985 and it has been increasing.
The female to male ratio is 1.11 to 1 which means that female students enrolled slightly more than male students.
236 students enrolled in online degree program exclusively and the number of online students has decreased by % since 2015.
The average student population over the last 11 years is 39,038 where 44,256 students are attending the school for the academic year 2024-2025.
78.98% of total students is undergraduate students and 21.02% students is graduate students. The number of undergraduate students has increased by 8,365 and the graduate enrollment has increased by 2,985 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 UCSD than male students.
The following table and chart illustrate the changes in student population by gender at University of California-San Diego since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 32,906 | 26,590 | 13,956 | 12,634 | 6,316 | 3,866 | 2,450 |
| 2016-17 | 34,979 2,073 | 28,127 1,537 | 14,620 664 | 13,507 873 | 6,852 536 | 4,187 321 | 2,665 215 |
| 2017-18 | 35,772 793 | 28,587 460 | 14,553 -67 | 14,034 527 | 7,185 333 | 4,347 160 | 2,838 173 |
| 2018-19 | 37,887 2,115 | 30,285 1,698 | 15,195 642 | 15,090 1,056 | 7,602 417 | 4,611 264 | 2,991 153 |
| 2019-20 | 38,736 849 | 30,794 509 | 15,390 195 | 15,404 314 | 7,942 340 | 4,647 36 | 3,295 304 |
| 2020-21 | 39,576 840 | 31,842 1,048 | 15,855 465 | 15,987 583 | 7,734 -208 | 4,468 -179 | 3,266 -29 |
| 2021-22 | 41,885 2,309 | 33,343 1,501 | 16,242 387 | 17,101 1,114 | 8,542 808 | 4,918 450 | 3,624 358 |
| 2022-23 | 42,006 121 | 33,096 -247 | 15,764 -478 | 17,332 231 | 8,910 368 | 5,119 201 | 3,791 167 |
| 2023-24 | 42,376 370 | 33,792 696 | 15,610 -154 | 18,182 850 | 8,584 -326 | 4,840 -279 | 3,744 -47 |
| 2024-25 | 44,256 1,880 | 34,955 1,163 | 15,782 172 | 19,173 991 | 9,301 717 | 5,193 353 | 4,108 364 |
| Average | 39,038 | 31,141 | 15,297 | 15,844 | 7,897 | 4,620 | 3,277 |
The average number of Undergraduate students over the last 11 years is 31,141 where 34,955 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 University of California-San Diego since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 26,590 | 25,922 | 13,573 | 12,349 | 668 | 383 | 285 |
| 2016-17 | 28,127 | 27,386 | 14,200 | 13,186 | 741 | 420 | 321 |
| 2017-18 | 28,587 | 27,880 | 14,140 | 13,740 | 707 | 413 | 294 |
| 2018-19 | 30,285 | 29,491 | 14,728 | 14,763 | 794 | 467 | 327 |
| 2019-20 | 30,794 | 29,966 | 14,919 | 15,047 | 828 | 471 | 357 |
| 2020-21 | 31,842 | 30,939 | 15,330 | 15,609 | 903 | 525 | 378 |
| 2021-22 | 33,343 | 32,327 | 15,680 | 16,647 | 1,016 | 562 | 454 |
| 2022-23 | 33,096 | 32,138 | 15,217 | 16,921 | 958 | 547 | 411 |
| 2023-24 | 33,792 | 32,852 | 15,086 | 17,766 | 940 | 524 | 416 |
| 2024-25 | 34,955 | 34,114 | 15,336 | 18,778 | 841 | 446 | 395 |
| Average | 31,141 | 31,141 | 14,821 | 15,481 | 31,141 | 476 | 364 |
The average number of Graduate students over the last 11 years is 7,897 where 9,301 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 University of California-San Diego since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 6,316 | 5,984 | 3,625 | 2,359 | 332 | 241 | 91 |
| 2016-17 | 6,852 | 6,435 | 3,885 | 2,550 | 417 | 302 | 115 |
| 2017-18 | 7,185 | 6,686 | 3,999 | 2,687 | 499 | 348 | 151 |
| 2018-19 | 7,602 | 7,099 | 4,285 | 2,814 | 503 | 326 | 177 |
| 2019-20 | 7,942 | 7,350 | 4,271 | 3,079 | 592 | 376 | 216 |
| 2020-21 | 7,734 | 7,133 | 4,091 | 3,042 | 601 | 377 | 224 |
| 2021-22 | 8,542 | 7,953 | 4,552 | 3,401 | 589 | 366 | 223 |
| 2022-23 | 8,910 | 8,114 | 4,636 | 3,478 | 796 | 483 | 313 |
| 2023-24 | 8,584 | 7,864 | 4,386 | 3,478 | 720 | 454 | 266 |
| 2024-25 | 9,301 | 8,487 | 4,668 | 3,819 | 814 | 525 | 289 |
| Average | 7,897 | 7,897 | 4,240 | 3,071 | 7,897 | 380 | 207 |
The percentage of white students is 17.73% and the percentage of black students is 1.67% at University of California-San Diego. 30.94% of enrolled students is Asian. Hispanic students comprise 22.90% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 23.73% to 17.73%. Asian enrollment declined from 33.13% to 30.94%. Black student enrollment increased from 1.31% to 1.67%. Hispanic student representation expanded from 14.10% to 22.90%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.8166 which indicates that highly diverse. This increased from 0.8119 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at University of California-San Diego 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 | 44 | 10,903 | 431 | 4,639 | 96 | 7,808 | 1,467 |
| 2016-17 | 35 | 11,096 | 515 | 5,198 | 93 | 7,693 | 1,516 |
| 2017-18 | 29 | 10,868 | 558 | 5,860 | 82 | 7,662 | 1,566 |
| 2018-19 | 40 | 11,307 | 614 | 6,697 | 91 | 7,982 | 1,661 |
| 2019-20 | 43 | 11,266 | 645 | 7,332 | 82 | 8,072 | 1,757 |
| 2020-21 | 49 | 11,841 | 698 | 7,616 | 65 | 8,173 | 1,898 |
| 2021-22 | 43 | 12,548 | 712 | 8,110 | 58 | 8,455 | 2,187 |
| 2022-23 | 42 | 12,607 | 715 | 8,688 | 39 | 8,132 | 2,301 |
| 2023-24 | 42 | 12,946 | 769 | 9,348 | 29 | 7,946 | 2,464 |
| 2024-25 | 41 | 13,694 | 739 | 10,133 | 26 | 7,847 | 2,634 |
| Average | 41 | 11,908 | 640 | 7,362 | 66 | 7,977 | 1,945 |
236 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 1% of total students. The number of online students has decreased % since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at University of California-San Diego from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 32,906 | 0 | 0 | 32,906 |
| 2016-17 | 34,979 | 0 | 0 | 34,979 |
| 2017-18 | 35,772 | 0 | 0 | 35,772 |
| 2018-19 | 37,887 | 0 | 0 | 37,887 |
| 2019-20 | 38,736 | 8 | 390 | 38,338 |
| 2020-21 | 39,576 | 26,615 | 10,239 | 2,722 |
| 2021-22 | 41,885 | 1,070 | 21,222 | 19,593 |
| 2022-23 | 42,006 | 48 | 3,257 | 38,701 |
| 2023-24 | 42,376 | 310 | 7,676 | 34,390 |
| 2024-25 | 44,256 | 236 | 7,655 | 36,365 |
| Average | 39,038 | 2,829 | 5,044 | 31,165 |
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