Jefferson County Map, Illinois
Detailed road and geographic map of Jefferson County.
County Information
- State: Illinois
- FIPS Code: 17081
- Population: 37,113
- Area (sq mi): 571.2
- Density: 65.0/sq mi
- Growth Trend: -0.5%
- Households: 16,632
- Election Data: Republican
- Climate Zone: Cold/Continental
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Overview
Jefferson County is located in the U.S. state of Illinois. It has a land area of approximately 571.2 square miles.