Scott County, Illinois

Scott County
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 39°39′N 90°29′W / 39.65°N 90.48°W / 39.65; -90.48
Country United States
State Illinois
Founded1839
Named afterScott County, Kentucky
SeatWinchester
Largest cityWinchester
Area
  Total
253 sq mi (660 km2)
  Land251 sq mi (650 km2)
  Water1.9 sq mi (5 km2)  0.7%
Population
 (2020)
  Total
4,949
  Density20/sq mi (7.6/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district15th
Websitescottcoil.gov

Scott County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 4,949, making it the fourth-least populous county in Illinois. Its county seat is Winchester.

Scott County is part of the Jacksonville, IL Micropolitan Statistical Area, which is also included in the Springfield-Jacksonville-Lincoln, IL Combined Statistical Area.