How many students at ONU?

For the academic year 2024-2025, Ohio Northern University has a total enrollment of 3,140 students, including 2,706 undergraduate and 434 graduate students.

  • Gender Breakdown: 1,665 male students (53%) and 1,475 female students (47%) are attending .
  • Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 2,423 White students (77.2%) and 141 Two or more races students (4.5%).
  • Class Level Breakdown: 2,706 undergraduate students (86.2%) and 434 graduate students (13.8%).
  • Class Delivery: 50 students are enrolled online exclusively, while 278 students take a hybrid mix of online and on-campus courses.

Compared to similar private (not-for-profit) Baccalaureate College - Diverse Fields - which average 1,196 - ONU's body is significantly larger.

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, 1,665 male (53.03%) and 1,475 female (46.97%) students are attending Ohio Northern University. The number of male students per 100 females students (male-to-female ratio) is 112.88.

By class level, 2,706 (86.18%) are undergraduate students and 434 (13.82%) are graduate students. Among undergraduates, 54.58% are male and 45.42% are female, while among graduate students, 43.32% are male and 56.68% are female.

Total Student Enrolled By Gender
TotalUndergraduateGraduate
Total3,1402,706434
Men1,6651,477188
Women1,4751,229246
Ohio Northern University 2025 Student Population by Gender and Race chartOhio Northern University 2025 Undergraduate Enrollment by Gender and Race chartOhio Northern University 2025 Graduate Enrollment by Gender and Race chart

Student Distribution by Race/Ethnicity

By race/ethnicity, 2,423 White, 95 Black, and 57 Asian students out of a total of 3,140 are attending at Ohio Northern University. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).

Ohio Northern University is somewhat diverse with a diversity index of 39.4% measured by Census Bureau Diversity Index. The institution has limited racial and ethnic diversity in its student population.

Race/Ethnicity Distribution (Total)
RaceTotalMenWomen
American Indian or Native American220
Asian572532
Black955837
Hispanic1225963
Native Hawaiian or Other Pacific Islanders422
White2,4231,2981,125
Two or more races1417863
Race Unknown240120120
Race/Ethnicity Distribution (Undergraduate)
RaceTotalMenWomen
American Indian or Native American110
Asian482127
Black775126
Hispanic1125557
Native Hawaiian or Other Pacific Islanders211
White2,1881,196992
Two or more races1297158
Race Unknown1026042
Race/Ethnicity Distribution (Graduate)
RaceTotalMenWomen
American Indian or Native American110
Asian945
Black18711
Hispanic1046
Native Hawaiian or Other Pacific Islanders211
White235102133
Two or more races1275
Race Unknown1386078
Ohio Northern University 2025 Student Population by Gender and Race chartOhio Northern University 2025 Undergraduate Enrollment by Gender and Race chartOhio Northern University 2025 Graduate Enrollment by Gender and Race chart

Student Age Distribution

By age, ONU has 196 students under 18 years old and 1 students over 65 years old. There are 2,957 students under 25 years old, and 183 students over 25 years old out of 3,140 total students.

ONU has 2,674 undergraduate students aged under 25 and 32 students aged 25 and over.

It has 283 graduate students aged under 25 and 151 students aged 25 and over.

Student Age Distribution (Total)
AgeTotalMenWomen
Under 181969799
18-191,126529597
20-211,138522616
22-24497244253
25-291024260
30-34371918
35-391587
40-491495
50-6414410
Over 65110
Student Age Distribution (Undergraduate)
AgeTotalMenWomen
Under 181969799
18-191,126529597
20-211,121508613
22-2423180151
25-2917611
30-34954
35-39330
40-49211
50-64101
Student Age Distribution (Graduate)
AgeTotalMenWomen
20-2117143
22-24266164102
25-29853649
30-34281414
35-391257
40-491284
50-641349
Over 65110
Ohio Northern University 2025 Student Population by Age chartOhio Northern University 2025 Student Population Age Diversity Pie chartOhio Northern University 2025 Undergraduate Enrollment by Age chartOhio Northern University 2025 Undergraduate Enrollment Age Diversity Pie chartOhio Northern University 2025 Graduate Enrollment by Age chartOhio Northern University 2025 Graduate Enrollment Age Diversity Pie chart

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 Ohio Northern University, 50 students are enrolled exclusively in online courses and 278 students are enrolled in some online courses.

7 students who live in Ohio or the jurisdiction in which the school is located are enrolled exclusively in online courses and 43 students live in another State or outside of the United States.

Online Student Population
All StudentsEnrolled Exclusively Online CoursesEnrolled in Some Online Courses
All Students3,14050278
Undergraduate2,7060217
Graduate4345061
Online Student Population by Locality
Ohio ResidentsOther States in U.S.Outside of U.S.
All Students7430
Undergraduate000
Graduate7430
Ohio Northern University 2025 Online Student Population chart

Transfer-in Students (Undergraduate)

Among 2,706 enrolled in undergraduate programs, 51 students have transferred-in from other institutions. The percentage of transfer-in students is 1.88%.

Transfer-in Students (Undergraduate)
Number of Students
Regular Full-time2,414
Transfer-in Full-time51
Regular Part-time241
Transfer-in Part-time0

ONU Enrollment Frequently Asked Questions

For the academic year 2024-2025, 3,140 students are enrolled at ONU.
2,706 undergraduate and 434 graduate students are enrolled at ONU.
1,665 male (53.03%) and 1,475 female (46.97%) students are attending ONU.
56 international students (1.78%) are enrolled at ONU, including 47 undergraduate and 9 graduate students.
ONU has a student population that is predominantly White: 2,423 White (77.17%), 95 Black (3.03%), and 57 Asian (1.82%) students are enrolled.
196 students are under 18 and 1 students are over 65 years old.
50 students are enrolled exclusively online, and 278 students take some online courses.

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