The student population at Ohio Northern University is 3,140 (2,706 undergraduate and 434 graduate students) . The number of students has decreased by 98 (3.03%) over the past decade.
- Class Level: The percentage of undergraduate students at ONU is 86.18% which is increased by 305 over last 10 years. The graduate student population decreased by 403 and it has been decreasing.
- Gender Breakdown: In 2025, there were 113 male students for every 100 female students, up from 100 in 2015.
- 50 students enrolled in online degree program exclusively and the number of online students has increased by 4,900.00% since 2015. (Note: The high increase/decrease may be due to the pandemic)
Student Population Changes
The average student population over the last 11 years is 3,056 where 3,140 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 3 year-over-year increases and 6 decreases. It peaked at 3,238 students in 2016 and was lowest at 2,817 in 2021. Overall, enrollment dropped from 3,238 to 3,140 students, a net loss of 98 (3%).
The following table and chart illustrate the changes in student population by gender at Ohio Northern University since 2015.
Undergraduate Enrollment Changes
The average number of Undergraduate students over the last 11 years is 2,395 where 2,706 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 Ohio Northern University since 2015.
Graduate Enrollment Changes
The average number of Graduate students over the last 11 years is 662 where 434 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 Ohio Northern University since 2015.
Enrollment by Race/Ethnicity Changes
The percentage of white students is 77.17%. The percentage was 81.38% 10 years ago and ONU still has a high percentage of white students. 1.82% of enrolled students is Asian and 3.03% is black students. Hispanic students comprise 3.89% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 81.38% to 77.17%. Asian enrollment grew from 1.54% to 1.82%. Black student enrollment decreased from 3.30% to 3.03%. Hispanic student representation expanded from 1.11% to 3.89%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.3998 which indicates that somewhat diverse. This increased from 0.3355 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Ohio Northern University over the past 11 years (2015-2025).
Distance Learning (Online Courses) Enrollment Changes
50 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 2% of total students. The number of online students has increased 4,900.00% since 2020. The following table and chart illustrate the changes in the online student population by enrolled type at Ohio Northern University from 2015 to 2025.