The student population at Carnegie Mellon University is 15,888 (7,377 undergraduate and 8,511 graduate students) . The number of students has increased by 2,925 over the past decade.
The percentage of undergraduate students at CMU is 46.43% which is increased by 1,328 over last 10 years. The graduate student population increased by 1,597 and it has been increasing.
The female to male ratio is 0.77 to 1 which means that male students enrolled more than female students.
554 students enrolled in online degree program exclusively and the number of online students has increased by 638.67% since 2015.
The average student population over the last 11 years is 14,436 where 15,888 students are attending the school for the academic year 2024-2025.
46.43% of total students is undergraduate students and 53.57% students is graduate students. The number of undergraduate students has increased by 1,328 and the graduate enrollment has increased by 1,597 over past 10 years.
The female to male ratio is 0.77 to 1 and it means that there are more male students enrolled in CMU than female students.
The following table and chart illustrate the changes in student population by gender at Carnegie Mellon University since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 12,963 | 6,049 | 3,333 | 2,716 | 6,914 | 4,565 | 2,349 |
| 2016-17 | 13,258 295 | 6,283 234 | 3,385 52 | 2,898 182 | 6,975 61 | 4,502 -63 | 2,473 124 |
| 2017-18 | 13,869 611 | 6,533 250 | 3,408 23 | 3,125 227 | 7,336 361 | 4,665 163 | 2,671 198 |
| 2018-19 | 14,029 160 | 6,589 56 | 3,370 -38 | 3,219 94 | 7,440 104 | 4,745 80 | 2,695 24 |
| 2019-20 | 14,180 151 | 6,618 29 | 3,345 -25 | 3,273 54 | 7,562 122 | 4,765 20 | 2,797 102 |
| 2020-21 | 13,519 -661 | 6,622 4 | 3,336 -9 | 3,286 13 | 6,897 -665 | 4,347 -418 | 2,550 -247 |
| 2021-22 | 15,057 1,538 | 6,932 310 | 3,482 146 | 3,450 164 | 8,125 1,228 | 5,059 712 | 3,066 516 |
| 2022-23 | 16,002 945 | 7,059 127 | 3,512 30 | 3,547 97 | 8,943 818 | 5,461 402 | 3,482 416 |
| 2023-24 | 15,596 -406 | 7,289 230 | 3,661 149 | 3,628 81 | 8,307 -636 | 5,047 -414 | 3,260 -222 |
| 2024-25 | 15,888 292 | 7,377 88 | 3,765 104 | 3,612 -16 | 8,511 204 | 5,212 165 | 3,299 39 |
| Average | 14,436 | 6,735 | 3,460 | 3,275 | 7,701 | 4,837 | 2,864 |
The average number of Undergraduate students over the last 11 years is 6,735 where 7,377 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 Carnegie Mellon University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 6,049 | 5,853 | 3,221 | 2,632 | 196 | 112 | 84 |
| 2016-17 | 6,283 | 6,069 | 3,261 | 2,808 | 214 | 124 | 90 |
| 2017-18 | 6,533 | 6,298 | 3,278 | 3,020 | 235 | 130 | 105 |
| 2018-19 | 6,589 | 6,343 | 3,231 | 3,112 | 246 | 139 | 107 |
| 2019-20 | 6,618 | 6,425 | 3,239 | 3,186 | 193 | 106 | 87 |
| 2020-21 | 6,622 | 6,341 | 3,176 | 3,165 | 281 | 160 | 121 |
| 2021-22 | 6,932 | 6,743 | 3,373 | 3,370 | 189 | 109 | 80 |
| 2022-23 | 7,059 | 6,858 | 3,399 | 3,459 | 201 | 113 | 88 |
| 2023-24 | 7,289 | 7,038 | 3,521 | 3,517 | 251 | 140 | 111 |
| 2024-25 | 7,377 | 7,133 | 3,645 | 3,488 | 244 | 120 | 124 |
| Average | 6,735 | 6,735 | 3,334 | 3,176 | 6,735 | 125 | 100 |
The average number of Graduate students over the last 11 years is 7,701 where 8,511 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 Carnegie Mellon University since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 6,914 | 5,937 | 3,851 | 2,086 | 977 | 714 | 263 |
| 2016-17 | 6,975 | 6,185 | 3,949 | 2,236 | 790 | 553 | 237 |
| 2017-18 | 7,336 | 6,674 | 4,202 | 2,472 | 662 | 463 | 199 |
| 2018-19 | 7,440 | 6,817 | 4,329 | 2,488 | 623 | 416 | 207 |
| 2019-20 | 7,562 | 6,893 | 4,317 | 2,576 | 669 | 448 | 221 |
| 2020-21 | 6,897 | 5,979 | 3,757 | 2,222 | 918 | 590 | 328 |
| 2021-22 | 8,125 | 7,326 | 4,556 | 2,770 | 799 | 503 | 296 |
| 2022-23 | 8,943 | 8,148 | 4,986 | 3,162 | 795 | 475 | 320 |
| 2023-24 | 8,307 | 7,479 | 4,521 | 2,958 | 828 | 526 | 302 |
| 2024-25 | 8,511 | 7,740 | 4,716 | 3,024 | 771 | 496 | 275 |
| Average | 7,701 | 7,701 | 4,318 | 2,599 | 7,701 | 518 | 265 |
The percentage of white students is 17.65% and the percentage of black students is 3.11% at Carnegie Mellon University. 21.56% of enrolled students is Asian. Hispanic students comprise 6.21% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 27.30% to 17.65%. Asian enrollment grew from 16.93% to 21.56%. Black student enrollment increased from 2.98% to 3.11%. Hispanic student representation expanded from 4.78% to 6.21%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.9162 which indicates that highly diverse. This increased from 0.8930 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Carnegie Mellon 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 | 11 | 2,195 | 386 | 620 | 3 | 3,539 | 327 |
| 2016-17 | 5 | 2,347 | 391 | 650 | 5 | 3,478 | 349 |
| 2017-18 | 4 | 2,506 | 414 | 726 | 4 | 3,401 | 356 |
| 2018-19 | 3 | 2,628 | 421 | 763 | 4 | 3,356 | 337 |
| 2019-20 | 3 | 2,722 | 394 | 759 | 5 | 3,288 | 352 |
| 2020-21 | 2 | 2,895 | 415 | 788 | 7 | 3,171 | 367 |
| 2021-22 | 5 | 3,108 | 461 | 885 | 7 | 3,210 | 454 |
| 2022-23 | 6 | 3,188 | 459 | 962 | 8 | 3,021 | 478 |
| 2023-24 | 10 | 3,273 | 478 | 1,022 | 5 | 2,860 | 520 |
| 2024-25 | 9 | 3,425 | 494 | 987 | 5 | 2,805 | 589 |
| Average | 6 | 2,829 | 431 | 816 | 5 | 3,213 | 413 |
554 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 3% of total students. The number of online students has increased 638.67% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Carnegie Mellon University from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 12,963 | 75 | 661 | 12,227 |
| 2016-17 | 13,258 | 46 | 1,099 | 12,113 |
| 2017-18 | 13,869 | 37 | 1,274 | 12,558 |
| 2018-19 | 14,029 | 27 | 1,297 | 12,705 |
| 2019-20 | 14,180 | 24 | 809 | 13,347 |
| 2020-21 | 13,519 | 15 | 416 | 13,088 |
| 2021-22 | 15,057 | 241 | 4,425 | 10,391 |
| 2022-23 | 16,002 | 572 | 2,674 | 12,756 |
| 2023-24 | 15,596 | 514 | 1,806 | 13,276 |
| 2024-25 | 15,888 | 554 | 3,497 | 11,837 |
| Average | 14,436 | 211 | 1,796 | 12,430 |
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