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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.
According to the United States Census Bureau, the city has a total area of 9.4 square miles (24.3 km²), of which, 9.4 square miles (24.2 km²) of it is land and 0.1 square miles (0.1 km²) of it (0.53%) is water.