University of Colorado Boulder Student Population

How many students at CU Boulder?

For the academic year 2024-2025, University of Colorado Boulder has a total enrollment of 38,799 students, including 32,244 undergraduate and 6,555 graduate students.

• Gender Breakdown: 20,649 male students (53.2%) and 18,150 female students (46.8%) are attending .
• Race and Ethnicity Breakdown: The two largest race/ethnicity groups are 25,110 White students (64.7%) and 5,027 Hispanic students (13%).
• Class Level Breakdown: 32,244 undergraduate students (83.1%) and 6,555 graduate students (16.9%).
• Class Delivery: 797 students are enrolled online exclusively, while 14,197 students take a hybrid mix of online and on-campus courses.

Compared to similar public Research University (very high research activity) - which average 34,856 - CU Boulder's body is relatively large.

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, 20,649 male (53.22%) and 18,150 female (46.78%) students are attending University of Colorado Boulder. The number of male students per 100 females students (male-to-female ratio) is 113.77.

By class level, 32,244 (83.11%) are undergraduate students and 6,555 (16.89%) are graduate students. Among undergraduates, 52.73% are male and 47.27% are female, while among graduate students, 55.64% are male and 44.36% are female.

• Enrollment Trends

Student Distribution by Race/Ethnicity

By race/ethnicity, 25,110 White, 719 Black, and 2,373 Asian students out of a total of 38,799 are attending at University of Colorado Boulder. Comprehensive enrollment statistic data by race/ethnicity is shown in the chart below (academic year 2024-2025 data).

University of Colorado Boulder is moderately diverse with a diversity index of 55.6% measured by Census Bureau Diversity Index. The institution shows moderate representation of multiple racial and ethnic groups.

• Total
• Undergraduate
• Graduate

Student Age Distribution

By age, CU Boulder has 354 students under 18 years old and 12 students over 65 years old. There are 33,050 students under 25 years old, and 5,749 students over 25 years old out of 38,799 total students.

In undergraduate programs, 354 students are younger than 18 and 9 students are older than 65. CU Boulder has 30,649 undergraduate students aged under 25 and 1,595 students aged 25 and over.

It has 2,401 graduate students aged under 25 and 4,154 students aged 25 and over.

• Total
• Undergraduate
• Graduate

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 University of Colorado Boulder, 797 students are enrolled exclusively in online courses and 14,197 students are enrolled in some online courses.

549 students who live in Colorado or the jurisdiction in which the school is located are enrolled exclusively in online courses and 248 students live in another State or outside of the United States.

• Online Population
• By Locality

Transfer-in Students (Undergraduate)

Among 32,244 enrolled in undergraduate programs, 1,608 students have transferred-in from other institutions. The percentage of transfer-in students is 4.99%.1,365 students have transferred in as full-time status and 243 students transferred in as part-time status.