The student population at Principia College is 339 (all undergraduate). The number of students has decreased by 121 (26.30%) over the past decade.
The average student population over the last 11 years is 391 where 339 students are attending the school for the academic year 2024-2025.
Total enrollment fluctuated between 2016 and 2025, with 4 year-over-year increases and 5 decreases. It peaked at 479 students in 2017 and was lowest at 321 in 2022. Overall, enrollment dropped from 460 to 339 students, a net loss of 121 (26.3%).
The following table and chart illustrate the changes in student population by gender at Principia College since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 460 | 228 | 232 |
| 2016-17 | 479 19 | 237 9 | 242 10 |
| 2017-18 | 455 -24 | 232 -5 | 223 -19 |
| 2018-19 | 447 -8 | 244 12 | 203 -20 |
| 2019-20 | 407 -40 | 211 -33 | 196 -7 |
| 2020-21 | 340 -67 | 182 -29 | 158 -38 |
| 2021-22 | 321 -19 | 170 -12 | 151 -7 |
| 2022-23 | 323 2 | 191 21 | 132 -19 |
| 2023-24 | 338 15 | 202 11 | 136 4 |
| 2024-25 | 339 1 | 199 -3 | 140 4 |
| Average | 391 | 210 | 181 |
The percentage of white students is 35.40% and the percentage of black students is 10.62% at Principia College. 0.88% of enrolled students is Asian. Hispanic students comprise 5.01% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 71.09% to 35.40%. Asian enrollment declined from 1.09% to 0.88%. Black student enrollment increased from 1.74% to 10.62%. Hispanic student representation expanded from 0.22% to 5.01%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.8586 which indicates that highly diverse. This increased from 0.4933 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Principia College 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 | 2 | 5 | 8 | 1 | 1 | 327 | 14 |
| 2016-17 | 1 | 7 | 9 | 21 | 1 | 348 | 6 |
| 2017-18 | 1 | 10 | 11 | 11 | 2 | 326 | 4 |
| 2018-19 | 0 | 12 | 12 | 16 | 1 | 310 | 6 |
| 2019-20 | 0 | 12 | 8 | 19 | 2 | 280 | 9 |
| 2020-21 | 0 | 11 | 7 | 19 | 3 | 213 | 7 |
| 2021-22 | 0 | 6 | 9 | 23 | 1 | 183 | 7 |
| 2022-23 | 0 | 5 | 11 | 18 | 1 | 142 | 8 |
| 2023-24 | 0 | 4 | 23 | 17 | 1 | 128 | 11 |
| 2024-25 | 0 | 3 | 36 | 17 | 0 | 120 | 16 |
| Average | 0 | 8 | 13 | 16 | 1 | 238 | 9 |
Principia College does not offer online degree/certificate programs. All Students have enrolled in on-campus programs.
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