Harrison County, Mississippi

Harrison County
County
Dan M. Russell Jr. United States Courthouse in Gulfport, Harrison County
Flag Seal
Location within the U.S. state of Mississippi
Mississippi's location within the U.S.
Coordinates: 30°25′N 89°05′W / 30.42°N 89.09°W / 30.42; -89.09
Country	United States
State	Mississippi
Founded	1841
Named for	William Henry Harrison
Seat	Biloxi and Gulfport
Largest city	Gulfport
Area
• Total	976 sq mi (2,530 km2)
• Land	574 sq mi (1,490 km2)
• Water	402 sq mi (1,040 km2)  41%
Population  (2020)
• Total	208,621
• Estimate  (2022)	211,044
• Density	362/sq mi (140/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	4th
Website	harrisoncountyms.gov

Harrison County is a county located in the U.S. state of Mississippi. As of the 2020 census, the population was 208,621.^[1] Its county seats are Biloxi and Gulfport.^[2] The county is named after U.S. President William Henry Harrison.^[3]

Harrison County is part of the Gulfport-Biloxi metropolitan area.

The county was severely damaged from both Hurricane Camille on August 17, 1969, and Hurricane Katrina on August 29, 2005, causing catastrophic effects.