Fulton County, Illinois

Fulton County
The old courthouse columns at Oak Hill Cemetery
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 40°29′N 90°13′W / 40.48°N 90.21°W / 40.48; -90.21
Country United States
State Illinois
Founded1823
Named afterRobert Fulton
SeatLewistown
Largest cityCanton
Area
  Total
883 sq mi (2,290 km2)
  Land866 sq mi (2,240 km2)
  Water17 sq mi (40 km2)  1.9%
Population
 (2020)
  Total
33,609
  Estimate 
(2023)
32,451
  Density39/sq mi (15/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districts15th, 17th
Websitewww.fultonco.org

Fulton County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 33,609. Its county seat is Lewistown, and the largest city is Canton. Fulton County comprises the Canton, IL Micropolitan Statistical Area, which is part of the Peoria-Canton, IL Combined Statistical Area.