Jefferson Parish, Louisiana

Jefferson Parish
City Hall in Gretna
City Hall in Gretna
Flag of Jefferson Parish
Map of Louisiana highlighting Jefferson Parish
Location within the U.S. state of Louisiana
Map of the United States highlighting Louisiana
Louisiana's location within the U.S.
Coordinates: 29°44′N 90°06′W / 29.73°N 90.1°W / 29.73; -90.1
Country United States
State Louisiana
FoundedFebruary 11, 1825
Named forThomas Jefferson
SeatGretna
Largest communityMetairie
Area
 • Total665 sq mi (1,720 km2)
 • Land296 sq mi (770 km2)
 • Water370 sq mi (1,000 km2)  56%
Population
 (2020)
 • Total440,781 Increase
 • Density660/sq mi (250/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code504,985
Congressional districts1st, 2nd, 6th
Websitewww.jeffparish.net

Jefferson Parish (French: Paroisse de Jefferson) is a parish in the U.S. state of Louisiana. As of the 2020 census, the population was 440,781.[1] Its parish seat is Gretna, its largest community is Metairie,[2] and its largest incorporated city is Kenner. Jefferson Parish is included in the Greater New Orleans area.

  1. ^ "QuickFacts: Jefferson Parish, Louisiana". U.S. Census Bureau. Retrieved August 12, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.