Mercer County Map, Illinois
Detailed road and geographic map of Mercer County.
County Information
- State: Illinois
- FIPS Code: 17131
- Population: 15,699
- Area (sq mi): 561.2
- Density: 28.0/sq mi
- Growth Trend: -0.5%
- Households: 7,291
- Election Data: Republican
- Climate Zone: Mixed/Moderate
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Overview
Mercer County is located in the U.S. state of Illinois. It has a land area of approximately 561.2 square miles.