Jefferson Parish, Louisiana
Jefferson Parish | |
|---|---|
| Parish of Jefferson Paroisse de Jefferson (French) | |
City Hall in Gretna | |
|
Flag Seal Logo | |
Location within the U.S. state of Louisiana | |
| Coordinates: 29°44′N 90°06′W / 29.73°N 90.1°W | |
| Country | United States |
| State | Louisiana |
| Founded | February 11, 1825 |
| Named after | Thomas Jefferson |
| Seat | Gretna |
| Largest community | Metairie |
| Area | |
• Total | 665 sq mi (1,720 km2) |
| • Land | 296 sq mi (770 km2) |
| • Water | 370 sq mi (960 km2) 56% |
| Population (2020) | |
• Total | 440,781 |
| • Density | 660/sq mi (250/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 504,985 |
| Congressional districts | 1st, 2nd, 6th |
| Website | www |
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. Its parish seat is Gretna, its largest community is Metairie, and its largest incorporated city is Kenner. Jefferson Parish is included in the Greater New Orleans area.