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Where am ILOCATED

Jefferson Parish, Louisiana

Jefferson Parish, Louisiana, has 431,398 residents (July 2025 estimate). Its county seat is Gretna. It uses Central Time and covers 301 sq mi (779 km²) of land. It is a county equivalent (parish).

New OrleansBaton RougeShreveport
Jefferson Parish in Louisiana
Lafourche ParishOrleans ParishPlaquemines ParishSt. Charles ParishSt. John the Baptist ParishMetairieKenner
Jefferson Parish and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
431,398
Land area
301 sq mi (779 km²)
County seat or government
Gretna
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$65,252 ± $1,992
Median home value
$251,400 ± $3,985
Median rent, with utilities
$1,190 ± $13
Homes lived in by their owners
62.6% ± 1.0 points
County type
Parish
Metro or micro area
New Orleans-Metairie, LA metro areaCentral parish
Water area
341 sq mi (884 km²)
State
Louisiana
County code (FIPS)
22051
Coordinates (central point)
29.503300, -90.036231
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Jefferson Parish

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7007255,693 people
  2. 7006548,936 people
  3. 7005640,348 people
  4. 7005839,578 people
  5. 7000339,344 people
  6. 7000138,950 people
  7. 7009432,130 people
  8. 7012327,386 people
  9. 7000524,088 people
  10. 7000219,426 people
  11. 7006217,771 people
  12. 7005316,621 people
All 17
  1. 7000616,170 people
  2. 7012110,558 people
  3. 700672,754 people
  4. 70358623 people
  5. 70036544 people

17 ZIP Code areas overlap Jefferson Parish. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Jefferson Parish, largest first

  1. Jefferson Parish School District430,920 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Metairie, Louisiana (CDP)139,729 people
  2. Kenner, Louisiana (city)64,904 people
  3. Marrero, Louisiana (CDP)32,540 people
  4. Terrytown, Louisiana (CDP)24,726 people
  5. Harvey, Louisiana (CDP)20,915 people
  6. Gretna, Louisiana (city)17,389 people
  7. Estelle, Louisiana (CDP)16,341 people
  8. River Ridge, Louisiana (CDP)13,312 people
  9. Woodmere, Louisiana (CDP)11,879 people
  10. Waggaman, Louisiana (CDP)11,330 people
  11. Timberlane, Louisiana (CDP)10,886 people
  12. Jefferson, Louisiana (CDP)9,703 people
All 21
  1. Harahan, Louisiana (city)8,904 people
  2. Westwego, Louisiana (city)8,335 people
  3. Bridge City, Louisiana (CDP)7,297 people
  4. Elmwood, Louisiana (CDP)6,077 people
  5. Avondale, Louisiana (CDP)4,608 people
  6. Jean Lafitte, Louisiana (town)2,266 people
  7. Grand Isle, Louisiana (town)623 people
  8. Barataria, Louisiana (CDP)544 people
  9. Lafitte, Louisiana (CDP)488 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lafourche Parish, Louisiana22 mi west
  2. Plaquemines Parish, Louisiana32 mi southeast
  3. St. Charles Parish, Louisiana34 mi northwest
  4. Orleans Parish, Louisiana38 mi north
  5. St. John the Baptist Parish, Louisiana52 mi northwest
  6. St. Tammany Parish, Louisiana63 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.