Carnegie Mellon University Student Population

How many students at CMU?

For the academic year 2024-2025, Carnegie Mellon University has a total enrollment of 15,888 students, including 7,377 undergraduate and 8,511 graduate students.

• Gender Breakdown: 8,977 male students (56.5%) and 6,911 female students (43.5%) are attending .
• Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 3,425 Asian students (21.6%) and 2,805 White students (17.7%).
• Class Level Breakdown: 7,377 undergraduate students (46.4%) and 8,511 graduate students (53.6%).
• Class Delivery: 554 students are enrolled online exclusively, while 3,497 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 - CMU'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, 8,977 male (56.50%) and 6,911 female (43.50%) students are attending Carnegie Mellon University. The number of male students per 100 females students (male-to-female ratio) is 129.89.

By class level, 7,377 (46.43%) are undergraduate students and 8,511 (53.57%) are graduate students. Among undergraduates, 51.04% are male and 48.96% are female, while among graduate students, 61.24% are male and 38.76% are female.

• Enrollment Trends

Student Distribution by Race/Ethnicity

By race/ethnicity, 2,805 White, 494 Black, and 3,425 Asian students out of a total of 15,888 are attending at Carnegie Mellon University. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).

Carnegie Mellon University is highly diverse with a diversity index of 91.3% measured by Census Bureau Diversity Index. The institution demonstrates strong racial and ethnic diversity among its student body.

• Total
• Undergraduate
• Graduate

Student Age Distribution

By age, CMU has 175 students under 18 years old and 1 students over 65 years old. There are 11,565 students under 25 years old, and 4,319 students over 25 years old out of 15,888 total students.

CMU has 7,295 undergraduate students aged under 25 and 82 students aged 25 and over.

It has 4,270 graduate students aged under 25 and 4,237 students aged 25 and over.

• Total
• Undergraduate
• Graduate

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 Carnegie Mellon University, 554 students are enrolled exclusively in online courses and 3,497 students are enrolled in some online courses.

118 students who live in Pennsylvania or the jurisdiction in which the school is located are enrolled exclusively in online courses and 436 students live in another State or outside of the United States.

• Online Population
• By Locality

Transfer-in Students (Undergraduate)

Among 7,377 enrolled in undergraduate programs, 59 students have transferred-in from other institutions. The percentage of transfer-in students is 0.80%.