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 1 city/town in Jersey County, IL. The largest city of Jersey County is Grafton with a population of 691.


Grafton, town in Illinois, United States

All Jersey County Cities (Aphebetical)

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

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City Name Title County Population
Grafton Town in Illinois, United States Jersey 691