A sign for the Troop 1 post in Sterling. (May, 2026)
| Illinois State Police Posts |
| Troop 1-Sterling |
|
|
A sign for the Troop 1 post in Sterling. (May, 2026) |
| Troop 7-Pesotum |
|
|
A sign for the Troop 7 post in Pesotum. (May, 2026) |
| Troop 8-Collinsville |
|
|
A sign for the Troop 8 post in Collinsville. (May, 2026) |
| District 21-Ashkum |
|
|
A sign for the District 21 post in Ashkum. (April, 2026) |
