The student population at College of San Mateo is 9,901 (all undergraduate). The number of students has increased by 1,012 (11.38%) over the past decade.
The average student population over the last 11 years is 8,530 where 9,901 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 9,901 students in 2025 and was lowest at 6,894 in 2022. Overall, enrollment rose from 8,889 to 9,901 students, a net gain of 1,012 (11.4%).
The following table and chart illustrate the changes in student population by gender at College of San Mateo since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 8,889 | 4,550 | 4,339 |
| 2016-17 | 9,048 159 | 4,550 | 4,498 159 |
| 2017-18 | 9,263 215 | 4,643 93 | 4,620 122 |
| 2018-19 | 8,924 -339 | 4,549 -94 | 4,375 -245 |
| 2019-20 | 8,163 -761 | 4,181 -368 | 3,982 -393 |
| 2020-21 | 7,494 -669 | 3,585 -596 | 3,909 -73 |
| 2021-22 | 6,894 -600 | 3,379 -206 | 3,515 -394 |
| 2022-23 | 7,512 618 | 3,686 307 | 3,826 311 |
| 2023-24 | 9,208 1,696 | 4,474 788 | 4,734 908 |
| 2024-25 | 9,901 693 | 4,716 242 | 5,185 451 |
| Average | 8,530 | 4,231 | 4,298 |
The percentage of white students is 23.71% and the percentage of black students is 2.64% at College of San Mateo. 23.41% of enrolled students is Asian. Hispanic students comprise 35.37% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 28.52% to 23.71%. Asian enrollment declined from 24.18% to 23.41%. Black student enrollment decreased from 2.97% to 2.64%. Hispanic student representation expanded from 29.97% to 35.37%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.7584 which indicates that quite diverse. This decreased from 0.7659 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at College of San Mateo 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 | 2,149 | 264 | 2,664 | 193 | 2,535 | 499 |
| 2016-17 | 10 | 2,020 | 256 | 2,767 | 203 | 2,493 | 482 |
| 2017-18 | 9 | 2,101 | 268 | 2,747 | 210 | 2,512 | 522 |
| 2018-19 | 8 | 2,041 | 247 | 2,679 | 202 | 2,369 | 494 |
| 2019-20 | 13 | 1,800 | 213 | 2,537 | 219 | 2,006 | 462 |
| 2020-21 | 7 | 1,737 | 200 | 2,366 | 196 | 1,864 | 489 |
| 2021-22 | 7 | 1,607 | 194 | 2,229 | 166 | 1,742 | 475 |
| 2022-23 | 8 | 1,610 | 165 | 2,575 | 184 | 1,989 | 508 |
| 2023-24 | 7 | 2,036 | 238 | 3,203 | 208 | 2,329 | 613 |
| 2024-25 | 10 | 2,318 | 261 | 3,502 | 202 | 2,348 | 649 |
| Average | 9 | 1,942 | 231 | 2,727 | 198 | 2,219 | 519 |
3,956 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 40% of total students. The number of online students has increased 6,964.29% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at College of San Mateo from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 8,889 | 56 | 135 | 8,698 |
| 2016-17 | 9,048 | 866 | 1,094 | 7,088 |
| 2017-18 | 9,263 | 1,135 | 1,169 | 6,959 |
| 2018-19 | 8,924 | 1,045 | 1,273 | 6,606 |
| 2019-20 | 8,163 | 1,041 | 1,278 | 5,844 |
| 2020-21 | 7,494 | 0 | 0 | 7,494 |
| 2021-22 | 6,894 | 3,306 | 1,918 | 1,670 |
| 2022-23 | 7,512 | 1,781 | 2,268 | 3,463 |
| 2023-24 | 9,208 | 2,480 | 1,210 | 5,518 |
| 2024-25 | 9,901 | 3,956 | 3,133 | 2,812 |
| Average | 8,530 | 1,567 | 1,348 | 5,615 |
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