Stony Brook University Student Population

How many students at SUNY Stony Brook?

For the academic year 2024-2025, Stony Brook University has a total enrollment of 26,689 students, including 18,263 undergraduate and 8,426 graduate students.

• Gender Breakdown: 12,622 male students (47.3%) and 14,067 female students (52.7%) are attending .
• Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 7,797 White students (29.2%) and 7,538 Asian students (28.2%).
• Class Level Breakdown: 18,263 undergraduate students (68.4%) and 8,426 graduate students (31.6%).
• Class Delivery: 1,783 students are enrolled online exclusively, while 11,369 students take a hybrid mix of online and on-campus courses.

Compared to similar public Research University (very high research activity) - which average 34,856 - SUNY Stony Brook's body is smaller.

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, 12,622 male (47.29%) and 14,067 female (52.71%) students are attending Stony Brook University. The number of male students per 100 females students (male-to-female ratio) is 89.73.

By class level, 18,263 (68.43%) are undergraduate students and 8,426 (31.57%) are graduate students. Among undergraduates, 48.73% are male and 51.27% are female, while among graduate students, 44.17% are male and 55.83% are female.

• Enrollment Trends

Student Distribution by Race/Ethnicity

By race/ethnicity, 7,797 White, 1,552 Black, and 7,538 Asian students out of a total of 26,689 are attending at Stony Brook University. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).

Stony Brook University is highly diverse with a diversity index of 80.9% 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, SUNY Stony Brook has 919 students under 18 years old and 16 students over 65 years old. There are 20,346 students under 25 years old, and 6,343 students over 25 years old out of 26,689 total students.

SUNY Stony Brook has 17,326 undergraduate students aged under 25 and 937 students aged 25 and over.

It has 3,020 graduate students aged under 25 and 5,406 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 Stony Brook University, 1,783 students are enrolled exclusively in online courses and 11,369 students are enrolled in some online courses.

1,691 students who live in New York or the jurisdiction in which the school is located are enrolled exclusively in online courses and 92 students live in another State or outside of the United States.

• Online Population
• By Locality

Transfer-in Students (Undergraduate)

Among 18,263 enrolled in undergraduate programs, 1,344 students have transferred-in from other institutions. The percentage of transfer-in students is 7.36%.1,263 students have transferred in as full-time status and 81 students transferred in as part-time status.