Pearl River County, Mississippi

Pearl River County
Pearl River County Courthouse in Poplarville
Location within the U.S. state of Mississippi
Mississippi's location within the U.S.
Coordinates: 30°46′N 89°35′W / 30.77°N 89.59°W / 30.77; -89.59
Country United States
State Mississippi
Founded1890
Named afterPearl River
SeatPoplarville
Largest cityPicayune
Area
  Total
819 sq mi (2,120 km2)
  Land811 sq mi (2,100 km2)
  Water8.0 sq mi (21 km2)  1.0%
Population
 (2020)
  Total
56,145
  Estimate 
(2023)
57,978
  Density69/sq mi (26/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.pearlrivercounty.net

Pearl River County is a county located in the U.S. state of Mississippi. The population was 56,145 at the 2020 census. Its county seat is Poplarville. Pearl River County comprises the Picayune, MS Micropolitan Statistical Area, which is included in the New Orleans-Metairie-Hammond, LA-MS Combined Statistical Area. Pearl River County is a dry county, and as such, the sale, transportation, and even private possession of beverage alcohol is prohibited by law, except within Picayune and Poplarville.