Jackson County, Mississippi

Jackson County
The Jackson County Courthouse in Pascagoula
Location within the U.S. state of Mississippi
Mississippi's location within the U.S.
Coordinates: 30°28′N 88°37′W / 30.46°N 88.62°W / 30.46; -88.62
Country United States
State Mississippi
Founded1812
Named afterAndrew Jackson
SeatPascagoula
Largest cityPascagoula
Area
  Total
1,043 sq mi (2,700 km2)
  Land723 sq mi (1,870 km2)
  Water321 sq mi (830 km2)  31%
Population
 (2020)
  Total
143,252
  Estimate 
(2023)
146,389
  Density140/sq mi (53/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.co.jackson.ms.us

Jackson County is a county located in the U.S. state of Mississippi. As of the 2020 census, the population was 143,252, making it the fifth-most populous county in Mississippi. Its county seat is Pascagoula. The county was named for Andrew Jackson, general in the United States Army and afterward President of the United States. Jackson County is included in the Pascagoula, MS Metropolitan Statistical Area. It is located at the southeastern tip of the state. The county has sandy soil and is in the Piney Woods area. It borders the state of Alabama on its east side. The county was severely damaged by both Hurricane Camille in August 1969 and Hurricane Katrina on August 29, 2005, which caused catastrophic effects.

The county bears no relation with the state capital of Jackson, which is one of the two county seats of Hinds County, along with the city of Raymond.