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Jefferson Parish

Louisiana parish in Louisiana
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 incorporated city is Kenner. Jefferson Parish is included... Wikipedia
Population: 433,688 (2021)
Cities: Metairie, Kenner, Gretna, and more