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 Rosedale with a population of 425.
Rosedale, unincorporated community in Illinois, United States
Cities, Towns, Neighborhoods & Other Populated Places in Jersey County.
|Rosedale||Unincorporated community in Illinois, United States||Jersey||425|