Map of Johnson County
Every point is a facility. Select one to open its record.
Prisons & jails
2 facilities
| Shawnee Correctional Center | State prison | Vienna | (618) 658-8331 | 1,848 |
| Vienna Correctional Center | State prison | Vienna | (618) 658-8371 | 1,072 |
Police & law enforcement
4 agencies
| Cypress Police Department | Police department | Cypress | (618) 657-2220 |
| Goreville Police Department | Police department | Goreville | (618) 995-1257 |
| Johnson County Sheriffs Office | Sheriff's office | Vienna | (618) 658-8264 |
| Vienna Police Department | Police department | Vienna | (618) 658-5161 |
Frequently asked
How many places of detention does Johnson County, Illinois have?
The atlas lists 2 prisons, jails and detention centres in Johnson County, Illinois, including 2 state prisons.
What is the largest prison in Johnson County, Illinois?
By the capacity recorded in its sources, Shawnee Correctional Center is the largest, with about 1,848 places.
Which police agencies serve Johnson County, Illinois?
4 police units are listed for Johnson County, Illinois: 3 police departments and 1 sheriff's office.
How do I find out if someone is in jail in Johnson County, Illinois?
Call the county jail or use the sheriff's online inmate lookup. Official agency records are the final authority on custody status.
Are telephone numbers available for these facilities?
Yes for 6 entries of 6. Where a number is missing, the facility page shows its address and map location; details can change, so the agency's own website is the authority.
What does the atlas list in Johnson County, Illinois?
Shawnee Correctional Center (state prison), Vienna Correctional Center (state prison), Cypress Police Department (police department), Goreville Police Department (police department), Johnson County Sheriffs Office (sheriff's office) and Vienna Police Department (police department). Each name links to a page with the address, map and any published phone number.
What other areas are in Illinois?
Illinois has 101 other areas in the atlas; Cook County has the most entries (179), followed by Lake County.