St John the Baptist Parish


 St. John the Baptist Parish was created in 1807 as one of the original 19 parishes after the Louisiana Purchase. The parish bounded by Lafourche and St. Charles Parishes on the south, St. James Parish on the west, Tangipahoa Parish on the north and St. Charles Parish on the east. The parish is bisected by the Mississippi River.  The area to the west and south of the Mississippi River is located in the Barataria Basin, but on the north and east side of the river, the parish is part of the Pontchartrain Basin.  The parish was named after St. John the Baptist Catholic Church, which is located in Edgard.  The parish land area is approximately 213 square miles.

Parish Websites

St. John the Baptist Parish Government
St.  John the Baptist Parish School District
St. John the Baptist Parish Business Association
River Region Chamber of Commerce
River Parishes Tourist Commission
Port of South Louisiana
River Parishes Community College/Reserve Campus
Greater New Orleans, Inc.
Barataria Terrebonne National Estuary Program
Lake Pontchartrain Basin Foundation

Population, 2010:                                 45,924                        

Population Estimate, 2019:                  42,837   

County Seat:                                        Edgard

There are no municipal governments in the parish. LaPlace is the largest Census Designated Place in St. John the Baptist and the second largest in the South Central Louisiana Region. CDPs in St. John the Baptist include the following:

CDP 2018Estimated Population CDP 2018 Estimated Population
Edgard 2,053 Pleasure Bend 234
Garyville 1,997 Reserve 9,280
LaPlace 29,147 Wallace 707

For more demographic data on St. John the Baptist Parish visit

Updated May 2020

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