Lewistown, Illinois

Lewistown, Illinois
Intersection of US 24, IL 97, and IL 100 in downtown Lewistown
Interactive map of Lewistown, Illinois
Lewistown
Lewistown
Coordinates: 40°23′49″N 90°09′20″W / 40.39694°N 90.15556°W / 40.39694; -90.15556
CountryUnited States
StateIllinois
CountyFulton
TownshipLewistown
Founded1823 as Fulton Courthouse
Renamed1831 as Lewistown
Founded byOssian M. Ross
Named afterLewis Winans Ross
Government
 • MayorCindy Goddard
Area
 • Total
2.00 sq mi (5.18 km2)
 • Land2.00 sq mi (5.18 km2)
 • Water0 sq mi (0.00 km2)
Elevation
591 ft (180 m)
Population
 (2020)
 • Total
2,041
 • Estimate 
(2024)
1,960
 • Density1,020.4/sq mi (393.98/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP Code(s)
61542
Area code309
FIPS code17-43055
GNIS ID2395693
Wikimedia CommonsLewistown, Illinois
Websitelewistownillinois.org

Lewistown is a city and the county seat of Fulton County, Illinois, United States. It was named by its founder, Ossian M. Ross, after his oldest son, Lewis Winans Ross. The population was 2,041 at the 2020 census. Located in central Illinois, it is southwest of Peoria. It is the source of Spoon River Anthology by Edgar Lee Masters, who lived there. Native American burial mounds are nearby at Dickson Mounds off Illinois Route 97.