Patrol Deputies are responsible for service warrants, orders of protection. and other documents from the courts as well as civil process service.

Deputies also conduct a number of self-initiated activities such as security checks of local businesses and churches during the overnight hours and House watch checks for residents who are on vacation.

Jeff Diederich, Sheriff

The Williamson County Sheriff's Office currently has 20 Deputies assigned to Patrol Positions.  These Deputies Provide residents of the County with 24 hour police protection.  In addition to calls for service and emergency calls.

Williamson County Sheriff's Office

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

Williamson County Deputies patrol 1318 miles of road, highway and street.  There are 640 miles of county road, 124 miles of state highway, and 553 miles of city street in Williamson County.


You can request a vacation watch for you home in several different ways.

You can download the house watch form and bring it into the sheriffs office or fax it to our communications division.  Our communications division will also take your information by phone.

Patrol division also conducts regular compliance check on the registered sex offenders who live in the county.