The student population at College of Marin is 4,838 (all undergraduate). The number of students has decreased by 652 (11.88%) over the past decade.
The average student population over the last 11 years is 4,958 where 4,838 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 6 year-over-year increases and 3 decreases. It peaked at 5,749 students in 2018 and was lowest at 4,213 in 2022. Overall, enrollment dropped from 5,490 to 4,838 students, a net loss of 652 (11.9%).
The following table and chart illustrate the changes in student population by gender at College of Marin since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 5,490 | 2,361 | 3,129 |
| 2016-17 | 5,621 131 | 2,337 -24 | 3,284 155 |
| 2017-18 | 5,749 128 | 2,458 121 | 3,291 7 |
| 2018-19 | 5,026 -723 | 2,123 -335 | 2,903 -388 |
| 2019-20 | 5,182 156 | 2,205 82 | 2,977 74 |
| 2020-21 | 4,509 -673 | 1,808 -397 | 2,701 -276 |
| 2021-22 | 4,213 -296 | 1,713 -95 | 2,500 -201 |
| 2022-23 | 4,283 70 | 1,841 128 | 2,442 -58 |
| 2023-24 | 4,673 390 | 2,033 192 | 2,640 198 |
| 2024-25 | 4,838 165 | 2,171 138 | 2,667 27 |
| Average | 4,958 | 2,105 | 2,853 |
The percentage of white students is 44.32% and the percentage of black students is 3.14% at College of Marin. 6.24% of enrolled students is Asian. Hispanic students comprise 36.17% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 51.48% to 44.32%. Asian enrollment declined from 7.67% to 6.24%. Black student enrollment decreased from 5.21% to 3.14%. Hispanic student representation expanded from 26.63% to 36.17%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6631 which indicates that moderately diverse. This increased from 0.6526 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at College of Marin over the past 11 years (2015-2025).
| Year | American Indian or Native American | Asian | Black | Hispanic | Native Hawaiian or Other Pacific Islander | White | Two or More Races |
|---|---|---|---|---|---|---|---|
| 2015-16 | 13 | 421 | 286 | 1,462 | 19 | 2,826 | 297 |
| 2016-17 | 13 | 389 | 222 | 1,636 | 11 | 2,907 | 305 |
| 2017-18 | 9 | 416 | 210 | 1,784 | 11 | 2,834 | 318 |
| 2018-19 | 12 | 388 | 172 | 1,568 | 15 | 2,459 | 290 |
| 2019-20 | 20 | 393 | 168 | 1,598 | 16 | 2,468 | 263 |
| 2020-21 | 9 | 313 | 149 | 1,442 | 12 | 2,136 | 276 |
| 2021-22 | 11 | 319 | 147 | 1,399 | 7 | 1,939 | 277 |
| 2022-23 | 8 | 294 | 130 | 1,498 | 11 | 1,955 | 274 |
| 2023-24 | 6 | 290 | 160 | 1,643 | 14 | 2,122 | 317 |
| 2024-25 | 7 | 302 | 152 | 1,750 | 16 | 2,144 | 333 |
| Average | 11 | 353 | 180 | 1,578 | 13 | 2,379 | 295 |
615 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 13% of total students. The number of online students has increased 876.19% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at College of Marin from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 5,490 | 63 | 270 | 5,157 |
| 2016-17 | 5,621 | 105 | 291 | 5,225 |
| 2017-18 | 5,749 | 115 | 337 | 5,297 |
| 2018-19 | 5,026 | 157 | 436 | 4,433 |
| 2019-20 | 5,182 | 176 | 522 | 4,484 |
| 2020-21 | 4,509 | 274 | 976 | 3,259 |
| 2021-22 | 4,213 | 2,711 | 974 | 528 |
| 2022-23 | 4,283 | 542 | 934 | 2,807 |
| 2023-24 | 4,673 | 580 | 1,079 | 3,014 |
| 2024-25 | 4,838 | 615 | 1,065 | 3,158 |
| Average | 4,958 | 534 | 688 | 3,736 |
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