The student population at Colby College is 2,412 (all undergraduate). The number of students has increased by 555 over the past decade.
The female to male ratio is 1.05 to 1 which means that the numbers of female and male students are similar.
All students have enrolled in on-campus classes (Colby College does not offer online degree/certificate program).
The average student population over the last 11 years is 2,107 where 2,412 students are attending the school for the academic year 2024-2025.
The female to male ratio is 1.05 to 1 and it means that there are similar numbers of female and male students enrolled in Colby.
The following table and chart illustrate the changes in student population by gender at Colby College since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 1,857 | 887 | 970 |
| 2016-17 | 1,879 22 | 894 7 | 985 15 |
| 2017-18 | 1,917 38 | 917 23 | 1,000 15 |
| 2018-19 | 2,000 83 | 951 34 | 1,049 49 |
| 2019-20 | 2,003 3 | 928 -23 | 1,075 26 |
| 2020-21 | 2,155 152 | 1,022 94 | 1,133 58 |
| 2021-22 | 2,262 107 | 1,065 43 | 1,197 64 |
| 2022-23 | 2,299 37 | 1,094 29 | 1,205 8 |
| 2023-24 | 2,284 -15 | 1,115 21 | 1,169 -36 |
| 2024-25 | 2,412 128 | 1,178 63 | 1,234 65 |
| Average | 2,107 | 1,005 | 1,102 |
The percentage of white students is 54.77%. The percentage was 61.60% 10 years ago and Colby still has a high percentage of white students. 10.20% of enrolled students is Asian and 4.77% is black students. Hispanic students comprise 8.37% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students decreased from 61.60% to 54.77%. Asian enrollment grew from 6.19% to 10.20%. Black student enrollment increased from 2.64% to 4.77%. Hispanic student representation expanded from 6.41% to 8.37%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6753 which indicates that moderately diverse. This increased from 0.6093 a decade ago, suggesting that racial diversity has improved.
The following table and chart illustrate the student population trends by race/ethnicity at Colby 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 | 5 | 115 | 49 | 119 | 2 | 1,144 | 94 |
| 2016-17 | 6 | 112 | 70 | 132 | 3 | 1,161 | 85 |
| 2017-18 | 8 | 137 | 75 | 140 | 3 | 1,223 | 88 |
| 2018-19 | 5 | 156 | 83 | 149 | 5 | 1,250 | 102 |
| 2019-20 | 6 | 164 | 100 | 167 | 4 | 1,212 | 109 |
| 2020-21 | 4 | 199 | 101 | 169 | 1 | 1,308 | 121 |
| 2021-22 | 5 | 231 | 118 | 185 | 1 | 1,292 | 134 |
| 2022-23 | 4 | 226 | 123 | 184 | 1 | 1,289 | 152 |
| 2023-24 | 2 | 245 | 124 | 189 | 2 | 1,222 | 163 |
| 2024-25 | 4 | 246 | 115 | 202 | 2 | 1,321 | 171 |
| Average | 5 | 183 | 96 | 164 | 2 | 1,242 | 122 |
Colby College does not offer online degree/certificate programs. All Students have enrolled in on-campus programs.
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