Jersey County on the map of Illinois 2024. Cities, roads, borders and directions in Jersey County of Illinois.

Jersey County is located in the area known as Metro East of southern Illinois. This outstanding county was named after State of New Jersey, from which many early settlers hailed. The county seat of Jersey County is Jerseyville. The county's area is 369 square miles. Founded in 1839, today Jersey County is home to 21 thousand americans. This map shows the borders of Jersey County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Jersey County.