The student population at California State University-Fullerton is 43,662 (38,760 undergraduate and 4,902 graduate students) . The number of students has increased by 4,714 (12.10%) over the past decade.
- Class Level: The percentage of undergraduate students at Cal State Fullerton is 88.77% which is increased by 5,616 over last 10 years. The graduate student population decreased by 902 and it has been decreasing.
- Gender Breakdown: In 2025, there were 77 male students for every 100 female students, down from 80 in 2015.
- 3,776 students enrolled in online degree program exclusively and the number of online students has increased by 130.38% since 2015.
Student Population Changes
The average student population over the last 11 years is 40,961 where 43,662 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 6 year-over-year increases and 3 decreases. It peaked at 43,662 students in 2025 and was lowest at 38,948 in 2016. Overall, enrollment rose from 38,948 to 43,662 students, a net gain of 4,714 (12.1%).
The following table and chart illustrate the changes in student population by gender at California State University-Fullerton since 2015.
Undergraduate Enrollment Changes
The average number of Undergraduate students over the last 11 years is 35,697 where 38,760 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 California State University-Fullerton since 2015.
Graduate Enrollment Changes
The average number of Graduate students over the last 11 years is 5,264 where 4,902 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 California State University-Fullerton since 2015.
Enrollment by Race/Ethnicity Changes
The percentage of white students is 14.16% and the percentage of black students is 2.55% at California State University-Fullerton. 20.31% of enrolled students is Asian. Hispanic students comprise 54.26% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 23.24% to 14.16%. Asian enrollment declined from 20.65% to 20.31%. Black student enrollment increased from 2.06% to 2.55%. Hispanic student representation expanded from 37.15% to 54.26%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6422 which indicates that moderately diverse. This decreased from 0.7631 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at California State University-Fullerton over the past 11 years (2015-2025).
Distance Learning (Online Courses) Enrollment Changes
3,776 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 9% of total students. The number of online students has increased 130.38% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at California State University-Fullerton from 2015 to 2025.