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Welcome to Jefferson Parish ...

Time Zone: Jefferson Parish lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Gretna is the Seat for Jefferson Parish.

Jefferson Parish was founded in 1825 and was created by taking area from Orleans Parish.

From the Census Estimates for 2019, <1> Jefferson had a population of 432,493 people.

At the time of the 2010 Census, Jefferson represented 9.54% of the total population of Louisiana.

Below are some of the communities located in Jefferson Parish:

  • Grand Isle
    (49 miles [78.9 km] to the south)
  • Gretna
    (5 miles [8 km] to the east)
    • Gretna is located in Jefferson Parish (LA)
    • Jump to our Gazetteer entry for Gretna
    • Population from the 2020 Census: 17,615 people
    • Jump to TripAdvisor's Tourism page for Gretna <2>
  • Harahan
    (3 miles [4.8 km] to the west)
    • Harahan is located in Jefferson Parish (LA)
    • Jump to our Gazetteer entry for Harahan
    • Population from the 2020 Census: 9,244 people
    • Jump to TripAdvisor's Tourism page for Harahan <2>
  • Jean Lafitte
    (13 miles [20.9 km] to the south)
    • Jean Lafitte is located in Jefferson Parish (LA)
    • Jump to our Gazetteer entry for Jean Lafitte
    • Population from the 2020 Census: 1,996 people
  • Kenner
    (7 miles [11.3 km] to the northwest)
    • Kenner is located in Jefferson Parish (LA)
    • Jump to our Gazetteer entry for Kenner
    • Population from the 2020 Census: 66,288 people
    • Jump to TripAdvisor's Tourism page for Kenner <2>
  • Westwego
    (2 miles [3.2 km] to the south)
    • Westwego is located in Jefferson Parish (LA)
    • Jump to our Gazetteer entry for Westwego
    • Population from the 2020 Census: 8,297 people
    • Jump to TripAdvisor's Tourism page for Westwego <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.