The student population at Idaho State University is 13,061 (10,834 undergraduate and 2,227 graduate students) . The number of students has decreased by 17 (0.13%) over the past decade.
- Class Level: The percentage of undergraduate students at ISU is 82.95% which is decreased by 366 over last 10 years. The graduate student population increased by 349 and it has been increasing.
- Gender Breakdown: In 2025, there were 70 male students for every 100 female students, down from 90 in 2015.
- 2,515 students enrolled in online degree program exclusively and the number of online students has increased by 70.39% since 2015.
Student Population Changes
The average student population over the last 11 years is 12,513 where 13,061 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 5 year-over-year increases and 4 decreases. It peaked at 13,078 students in 2016 and was lowest at 11,766 in 2021. Overall, enrollment dropped from 13,078 to 13,061 students, a net loss of 17 (0.1%).
The following table and chart illustrate the changes in student population by gender at Idaho State University since 2015.
Undergraduate Enrollment Changes
The average number of Undergraduate students over the last 11 years is 10,413 where 10,834 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 Idaho State University since 2015.
Graduate Enrollment Changes
The average number of Graduate students over the last 11 years is 2,100 where 2,227 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 Idaho State University since 2015.
Enrollment by Race/Ethnicity Changes
The percentage of white students is 56.13%. The percentage was 70.84% 10 years ago and ISU still has a high percentage of white students. 1.62% of enrolled students is Asian and 1.05% is black students. Hispanic students comprise 13.80% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 70.84% to 56.13%. Asian enrollment grew from 1.44% to 1.62%. Black student enrollment decreased from 1.20% to 1.05%. Hispanic student representation expanded from 9.04% to 13.80%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6645 which indicates that moderately diverse. This increased from 0.4890 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Idaho State University over the past 11 years (2015-2025).
Distance Learning (Online Courses) Enrollment Changes
2,515 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 19% of total students. The number of online students has increased 70.39% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at Idaho State University from 2015 to 2025.