The student population at Illinois College is 942 (937 undergraduate and 5 graduate students) . The number of students has decreased by 13 (1.36%) over the past decade.
The average student population over the last 11 years is 1,009 where 942 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 1,154 students in 2021 and was lowest at 942 in 2025. Overall, enrollment dropped from 955 to 942 students, a net loss of 13 (1.4%).
The following table and chart illustrate the changes in student population by gender at Illinois College since 2015.
| Year | Total | Undergraduate | Graduate | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 955 | 952 | 459 | 493 | 3 | 0 | 3 |
| 2016-17 | 960 5 | 958 6 | 452 -7 | 506 13 | 2 -1 | 0 | 2 -1 |
| 2017-18 | 959 -1 | 959 1 | 469 17 | 490 -16 | 0 -2 | 0 | 0 -2 |
| 2018-19 | 983 24 | 983 24 | 481 12 | 502 12 | 0 | 0 | 0 |
| 2019-20 | 1,057 74 | 1,057 74 | 508 27 | 549 47 | 0 | 0 | 0 |
| 2020-21 | 1,154 97 | 1,154 97 | 539 31 | 615 66 | 0 | 0 | 0 |
| 2021-22 | 1,097 -57 | 1,097 -57 | 522 -17 | 575 -40 | 0 | 0 | 0 |
| 2022-23 | 1,029 -68 | 1,028 -69 | 480 -42 | 548 -27 | 1 1 | 0 | 1 1 |
| 2023-24 | 958 -71 | 956 -72 | 444 -36 | 512 -36 | 2 1 | 0 | 2 1 |
| 2024-25 | 942 -16 | 937 -19 | 449 5 | 488 -24 | 5 3 | 1 1 | 4 2 |
| Average | 1,009 | 1,008 | 480 | 528 | 1 | 0 | 1 |
The average number of Undergraduate students over the last 11 years is 1,008 where 937 students are attending the Undergraduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Undergraduate enrollment by attending status and gender at Illinois College since 2015.
| Year | Total | Full-time | Part-time | ||||
|---|---|---|---|---|---|---|---|
| Total | Men | Women | Total | Men | Women | ||
| 2015-16 | 952 | 948 | 456 | 492 | 4 | 3 | 1 |
| 2016-17 | 958 | 955 | 451 | 504 | 3 | 1 | 2 |
| 2017-18 | 959 | 950 | 465 | 485 | 9 | 4 | 5 |
| 2018-19 | 983 | 976 | 480 | 496 | 7 | 1 | 6 |
| 2019-20 | 1,057 | 1,046 | 502 | 544 | 11 | 6 | 5 |
| 2020-21 | 1,154 | 1,129 | 536 | 593 | 25 | 3 | 22 |
| 2021-22 | 1,097 | 1,069 | 512 | 557 | 28 | 10 | 18 |
| 2022-23 | 1,028 | 989 | 469 | 520 | 39 | 11 | 28 |
| 2023-24 | 956 | 911 | 433 | 478 | 45 | 11 | 34 |
| 2024-25 | 937 | 874 | 427 | 447 | 63 | 22 | 41 |
| Average | 1,008 | 1,008 | 473 | 512 | 1,008 | 7 | 16 |
The average number of Graduate students over the last 11 years is 1 where 5 students are attending the Graduate school for the academic year 2024-2025. The following table and chart illustrate the changes in Graduate enrollment by attending status and gender at Illinois College since 2015.
| Year | Total | Men | Women | ||||
|---|---|---|---|---|---|---|---|
| 2015-16 | 3 | 0 | 0 | 0 | 3 | 0 | 3 |
| 2016-17 | 2 | 0 | 0 | 0 | 2 | 0 | 2 |
| 2017-18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018-19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2020-21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021-22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2022-23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
| 2023-24 | 2 | 2 | 0 | 2 | 0 | 0 | 0 |
| 2024-25 | 5 | 5 | 1 | 4 | 0 | 0 | 0 |
| Average | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
The percentage of white students is 71.23%. The percentage was 68.38% 10 years ago and Illinois still has a high percentage of white students. 0.96% of enrolled students is Asian and 8.60% is black students. Hispanic students comprise 9.66% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students increased from 68.38% to 71.23%. Asian enrollment declined from 1.05% to 0.96%. Black student enrollment decreased from 11.94% to 8.60%. Hispanic student representation contracted from 10.16% to 9.66%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.4753 which indicates that somewhat diverse. This decreased from 0.5064 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at Illinois 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 | 10 | 114 | 97 | 1 | 653 | 35 |
| 2016-17 | 4 | 10 | 112 | 88 | 1 | 667 | 35 |
| 2017-18 | 2 | 10 | 101 | 85 | 1 | 675 | 27 |
| 2018-19 | 3 | 5 | 96 | 72 | 1 | 708 | 34 |
| 2019-20 | 1 | 8 | 112 | 72 | 0 | 765 | 37 |
| 2020-21 | 3 | 9 | 117 | 83 | 2 | 835 | 36 |
| 2021-22 | 2 | 9 | 99 | 101 | 0 | 807 | 32 |
| 2022-23 | 2 | 10 | 88 | 104 | 0 | 730 | 30 |
| 2023-24 | 2 | 8 | 92 | 95 | 0 | 670 | 27 |
| 2024-25 | 2 | 9 | 81 | 91 | 0 | 671 | 21 |
| Average | 2 | 9 | 101 | 89 | 1 | 718 | 31 |
120 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 1,233.33% since 2019. The following table and chart illustrate the changes in the online student population by enrolled type at Illinois College from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 955 | 0 | 0 | 955 |
| 2016-17 | 960 | 0 | 0 | 960 |
| 2017-18 | 959 | 0 | 0 | 959 |
| 2018-19 | 983 | 0 | 0 | 983 |
| 2019-20 | 1,057 | 9 | 0 | 1,048 |
| 2020-21 | 1,154 | 57 | 0 | 1,097 |
| 2021-22 | 1,097 | 74 | 0 | 1,023 |
| 2022-23 | 1,029 | 81 | 0 | 948 |
| 2023-24 | 958 | 72 | 3 | 883 |
| 2024-25 | 942 | 120 | 13 | 809 |
| Average | 1,009 | 41 | 2 | 967 |
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