List of all cities and towns in Jersey County
Jersey County is a county in the American state of Illinois.
It had a population of 21,512 people according to the 2020 census.
Jerseyville, the county seat and main community, with a population of 8,337 in 2010. Otterville, the county’s smallest incorporated community, has a population of 87 people.
Jersey County is part of the St. Louis, MO-IL Combined Statistical Area.
The county has a total area of 377 square miles (980 km2), of which 369 square miles (960 km2) is land and 7.9 square miles (20 km2) (2.1%) is water, according to the United States Census Bureau.
Jersey County is bounded on the south by the Mississippi River, on the west by the Illinois River, and on the northwest by Macoupin Creek.
Here is a list of cities, towns, places, and villages in Jersey County, Illinois: