Stark County, Illinois

Stark County, Illinois
Location within the U.S. state of Illinois
Coordinates: 41°05′N 89°47′W / 41.09°N 89.79°W / 41.09; -89.79
Country United States
State Illinois
Founded1839
Named afterJohn Stark
SeatToulon
Largest cityWyoming
Area
 • Total
288 sq mi (750 km2)
 • Land288 sq mi (750 km2)
 • Water0.3 sq mi (0.78 km2)  0.1%
Population
 (2020)
 • Total
5,400
 • Estimate 
(2024)
5,272
 • Density19/sq mi (7.2/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district16th
Websitewww.starkco.illinois.gov

Stark County is a county in Illinois, United States. According to the 2020 census, it had a population of 5,400. Its county seat is Toulon. Stark County is part of the Peoria, Illinois, metropolitan area.