Jefferson Parish is a parish in the U.S. state of Louisiana. As of the 2020 census, the population was 440,781. Its parish seat is Gretna, its largest community is Metairie, and its largest incorporat
City Hall in Gretna
Barataria Bay Lighthouse, c. 1903
Gretna after Hurricane Katrina, 2005
Billboard in Terrytown after Katrina, 2005
Jefferson is a census-designated place in Jefferson Parish, Louisiana, United States, on the north side of the Mississippi River. Jefferson is part of the New Orleans–Metairie–Kenner metropolitan stat
Old Jefferson welcome sign at the boundary with the City of New Orleans
Whitehall Plantation House is a rare survivor from the area's plantation era.