Logan Correctional Center had an average inmate age of 39 in July 2020, according to the Illinois Department of Corrections.
The institutions with the highest average inmate age are Taylorville CC and Big Muddy River CC.
Illinois Prison Populations in July 2020
| Institution | Population | Average age |
|---|---|---|
| Taylorville Correctional Center | 808 | 45 |
| Big Muddy River Correctional Center | 1,076 | 45 |
| Dixon Correctional Center | 1,931 | 44 |
| Robinson Correctional Center | 751 | 42 |
| East Moline Correctional Center | 848 | 42 |
| Vienna Correctional Center | 692 | 41 |
| Pontiac Correctional Center | 1,089 | 41 |
| Lincoln Correctional Center | 663 | 41 |
| Decatur Correctional Center | 374 | 41 |
| Menard Correctional Center | 2,157 | 41 |
| Stateville Correctional Center | 2,061 | 41 |
| Hill Correctional Center | 1,542 | 40 |
| Joliet Treatment Center | 220 | 40 |
| Lawrence Correctional Center | 1,823 | 39 |
| Graham Correctional Center | 1,482 | 39 |
| Jacksonville Correctional Center | 731 | 39 |
| Danville Correctional Center | 1,475 | 39 |
| Logan Correctional Center | 1,202 | 39 |
| Western Illinois Correctional Center | 1,553 | 39 |
| Vandalia Correctional Center | 585 | 38 |
| Centralia Correctional Center | 1,191 | 38 |
| Kewanee Life Skills Re-Entry Center | 176 | 38 |
| Illinois River Correctional Center | 1,542 | 38 |
| Shawnee Correctional Center | 1,243 | 38 |
| Southwestern Illinois Correctional Center | 435 | 37 |
| Pinckneyville Correctional Center | 1,716 | 36 |
| Sheridan Correctional Center | 1,344 | 36 |
