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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 434,096 people. This is an increase of 0.36% since the last Census (which gave a population of 432,552 people in 2010).

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)
    • Note: The GPS coordinates that we are using for Grand Isle have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Grand Isle
    • Grand Isle is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 1,447 people
    • Jump to TripAdvisor's Tourism page for Grand Isle <3>
  • Gretna
    (5 miles [8 km] to the east)
    • Jump to our Gazetteer entry for Gretna
    • Gretna is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 17,615 people
    • Jump to TripAdvisor's Tourism page for Gretna <3>
  • Harahan
    (3 miles [4.8 km] to the west)
    • Note: The GPS coordinates that we are using for Harahan have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Harahan
    • Harahan is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 9,244 people
    • Jump to TripAdvisor's Tourism page for Harahan <3>
  • Jean Lafitte
    (13 miles [20.9 km] to the south)
    • Note: The GPS coordinates that we are using for Jean Lafitte have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Jean Lafitte
    • Jean Lafitte is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 1,996 people
  • Kenner
    (8 miles [12.9 km] to the northwest)
    • Note: The GPS coordinates that we are using for Kenner have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Kenner
    • Kenner is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 66,288 people
    • Jump to TripAdvisor's Tourism page for Kenner <3>
  • Westwego
    (2 miles [3.2 km] to the south)
    • Note: The GPS coordinates that we are using for Westwego have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Westwego
    • Westwego is located in Jefferson Parish (LA)
    • Population from the 2020 Census: 8,297 people
    • Jump to TripAdvisor's Tourism page for Westwego <3>

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>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.





 

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This page was last modified/updated: 26 Feb 2024