Carthage, Illinois

Carthage, Illinois
The historic Carthage Jail, July 2015
Interactive map of Carthage, Illinois
Carthage
Carthage
Coordinates: 40°24′52″N 91°08′00″W / 40.41444°N 91.13333°W / 40.41444; -91.13333
CountryUnited States
StateIllinois
CountyHancock
TownshipCarthage
Founded1833
Incorporated1837
Named afterCarthage
Area
 • Total
2.49 sq mi (6.46 km2)
 • Land2.49 sq mi (6.46 km2)
 • Water0 sq mi (0.00 km2)
Elevation
656 ft (200 m)
Population
 (2020)
 • Total
2,490
 • Estimate 
(2024)
2,431
 • Density997.6/sq mi (385.16/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62321
Area code(s)217, 447
FIPS code17-11527
GNIS feature ID2393759
Websitecarthage-il.com

Carthage is a city in and the county seat of Hancock County, Illinois, United States. Its population was 2,490 as of the 2020 census. Carthage is best known for being the site of the 1844 killing of Joseph Smith, who founded the Latter Day Saint movement.