Phone Directory

Find our numbers below

Office							Phone Number
Animal Control							(618) 993-6075
CASA							(618) 998-2291
Circuit Clerk							(618) 998-2231
Coroner							(618) 993-1314
County Clerk							(618) 998-2110
County Commissioners							(618) 998-2250
Crime Stoppers							(800) 414-8477
Emergency Management Agency							(618) 998-2123
General Assistance							(618) 998-2250
Highway Department							(618) 998-2145
Judicial							(618) 997-1301
Jury Commission							(618) 997-1301
Maintenance							(618) 998-2159
Probation							(618) 998-2153
Public Defender							(618) 998-2179
Sheriff’s Department – Non Emergency							(618) 997-6541
Sheriff’s Department and Detention Center							(618) 998-2150
States Attorney/Domestic Violence							(618) 998-2229
Superintendent of Schools							(618) 998-1283
Supervisor of Assessments							(618) 998-2189
Treasurer and Tax Collector							(618) 998-2142

Last Updated:
March 26, 2025

Frequently Asked Questions

By mail, in person, or online - there are many ways to register to vote in Illinois. Register today: https://ova.elections.il.gov/

Need Assistance?

If you need assistance or have inquiries regarding the Williamson County website, please contact us. For more information, please search our site or refer to our Departments listing for information on specific county services.

American Rescue Plan Act (ARPA)

Any Business, Non-Profit, Community Group, Neighborhood Association, County Department, or other entity wishing to be considered for funding must fully complete and submit this application. Download PDF

Emergency Preparation

The Williamson County Emergency Management Agency coordinates the plans and operations of all components of the emergency management system within the county. Visit Website

Williamson County, IL

Recent Recordings

Regular Board Mtg August...

7-21-2026...

Board Meeting June 26, 2...

Frequently Visited

Phone Directory

Election Info

Meetings

Budgets & Audits

Frequently Asked Questions

Agendas

Minutes

Events

Event Title

Williamson County