Carthage is a city in Leake County, Mississippi, United States. The population was 4,637 at the 2000 census. It is the county seat of Leake County.
Earl Williamson, a local politician in Shreveport who was a confidant of Louisiana Governors Huey Pierce Long, Jr., and Earl Kemp Long, was born in Carthage in 1903.
Carthage is located at 32°44′29″N 89°32′6″W / 32.74139°N 89.535°W / 32.74139; -89.535 (32.741504, -89.535134).