Simpson County, Mississippi

Simpson County
County
Simpson County courthouse in Mendenhall
Location within the U.S. state of Mississippi
Mississippi's location within the U.S.
Coordinates: 31°55′N 89°55′W / 31.92°N 89.92°W / 31.92; -89.92
Country	United States
State	Mississippi
Founded	1824
Named for	Josiah Simpson
Seat	Mendenhall
Largest city	Magee
Area
• Total	590 sq mi (1,500 km2)
• Land	589 sq mi (1,530 km2)
• Water	1.3 sq mi (3 km2)  0.2%
Population  (2020)
• Total	25,949
• Density	44/sq mi (17/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	3rd

Simpson County is a county located in the U.S. state of Mississippi. Its western border is formed by the Pearl River, an important transportation route in the 19th century. As of the 2020 census, the population was 25,949.^[1] The county seat is Mendenhall.^[2] The county is named for Josiah Simpson (1787-1817),^[3] a territorial judge who also served as a delegate to Mississippi's Constitutional Convention.^[4]

Simpson County is part of the Jackson, MS Metropolitan Statistical Area.