The Illinois Department of Corrections Office of Jail and Detention Standards completed their annual inspection of the Williamson County Jail on July 16, 2019. 

Jeff Diederich, Sheriff

The Williamson County Jail was inspected on July 19, 2016.  No areas were found non-compliant with Illinois County Jail Standards.

Williamson County Sheriff's Office

Jail Inspection

The Illinois Department of Corrections Office of Jail and Detention Standards completed their annual inspection of the Williamson County Jail on July 17, 2018. 

The Illinois Department of Corrections Office of Jail and Detention Standards completed their annual inspection of the Williamson County Jail on July 20, 2017. 

Jail Inspection

The Illinois Department of Corrections Office of Jail and Detention Standards completed their annual inspection of the Williamson County Jail on October 15, 2020. 

Williamson County Sheriff's Office

The Illinois Department of Corrections Office of Jail and Detention Standards completed their annual inspection of the Williamson County Jail on Jun 30, 2021 

Williamson County Sheriff's Office
404 N. Van Buren
Marion, IL  62959
Tx:  618-997-6541
Office Fax:  618-998-2296
Dispatch Fax:  618-997-1301

wcsheriff@wcsheriff.com

The State of Illinois requires that each County Jail be inspected once each year by the Illinois Department of Corrections.


These inspections cover topics in the Jail that range from training and staffing levels for Correctional Officers to the nutritional value of meals to cleanliness of facilities.  The Williamson County Jail was inspected on July 19, 2016.  No areas were found non-compliant with Illinois County Jail Standards.