Cities & Towns in Jersey County, IL

Jersey County, county in Illinois, United States. As of 2020 county had an estimated population of 21,616 inhabitants. The county was created 182 years ago in 1839. Its county seat is "Jerseyville".

There are 0 city/town in Jersey County, IL.

All Jersey County Cities (Aphebetical)

Cities, Towns, Neighborhoods & Other Populated Places in Jersey County.

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City Name Title County Population