The student population at Marietta College is 1,109 (1,023 undergraduate and 86 graduate students) . The number of students has decreased by 222 (16.68%) over the past decade.
- Class Level: The percentage of undergraduate students at Marietta is 92.25% which is decreased by 223 over last 10 years. The graduate student population increased by 1 and it has been increasing.
- Gender Breakdown: In 2025, there were 100 male students for every 100 female students, down from 148 in 2015.
- 21 students enrolled in online degree program exclusively and the number of online students has increased by 110.00% since 2015.
Student Population Changes
The average student population over the last 11 years is 1,204 where 1,109 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 1,331 students in 2016 and was lowest at 1,109 in 2025. Overall, enrollment dropped from 1,331 to 1,109 students, a net loss of 222 (16.7%).
The following table and chart illustrate the changes in student population by gender at Marietta College since 2015.
Undergraduate Enrollment Changes
The average number of Undergraduate students over the last 11 years is 1,121 where 1,023 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 Marietta College since 2015.
Graduate Enrollment Changes
The average number of Graduate students over the last 11 years is 84 where 86 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 Marietta College since 2015.
Enrollment by Race/Ethnicity Changes
The percentage of white students is 82.06%. The percentage was 70.17% 10 years ago and Marietta still has a high percentage of white students. 0.90% of enrolled students is Asian and 3.52% is black students. Hispanic students comprise 3.25% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students increased from 70.17% to 82.06%. Asian enrollment declined from 1.65% to 0.90%. Black student enrollment decreased from 5.18% to 3.52%. Hispanic student representation expanded from 2.48% to 3.25%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.3227 which indicates that somewhat diverse. This decreased from 0.5033 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at Marietta College over the past 11 years (2015-2025).
Distance Learning (Online Courses) Enrollment Changes
21 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 110.00% since 2022. The following table and chart illustrate the changes in the online student population by enrolled type at Marietta College from 2015 to 2025.