About Mercer County
Mercer County is a county in Illinois (IL) with a population of approximately 15,487 residents. The county seat is .
Mercer County is one of the counties that make up Illinois, providing local government services including law enforcement, property records, courts, and public infrastructure to its residents.
County Details
- County
- Mercer County
- State
- Illinois (IL)
- Population
- 15,487
- County Seat
Local Government
Mercer County residents are served by county-level government that typically includes:
- County commission or board of supervisors — Elected officials responsible for county governance, budgets, and policy
- Sheriff's office — Provides law enforcement services throughout Mercer County
- County clerk — Manages vital records, elections, and property records
- County courts — The judicial branch serving Mercer County residents
- Tax assessor — Handles property tax assessments and collections
Getting Involved
Residents of Mercer County can participate in local government by attending county commission meetings, voting in local elections, and contacting their county and state representatives. Find your elected officials by browsing the Illinois representatives page.
Frequently Asked Questions
What is the population of Mercer County?
Mercer County has an approximate population of 15,487 residents.
What is the county seat of Mercer County?
The county seat of Mercer County is .
What state is Mercer County in?
Mercer County is located in Illinois (IL).