• parish
  • FIPS 22051
  • Largest town: Kenner

Jefferson Parish, Louisiana

Jefferson Parish had 427,253 residents in the Census Vintage 2024 estimate, on 300.9 square miles of land. It ranks 2nd of 64 in Louisiana by population and 57th by land area.

Population
427,253
#2 of 64 in Louisiana · #177 in US
Area
300.9 sq mi
#57 of 64 in Louisiana · #2,809 in US
Density
1,420 / sq mi
#2 of 64 in Louisiana · #115 in US
Median household income
$61,168
#16 of 64 in Louisiana · #1,722 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Jefferson Parish within Louisiana. Pin: Baton Rouge.

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Tools and pages that start from Jefferson Parish

Jefferson Parish population, land area and income

Jefferson Parish had 427,253 residents in the Census Vintage 2024 estimate, on 300.9 square miles of land. It ranks 2nd of 64 in Louisiana by population and 57th by land area. That works out to 1,420.1 people per square mile, 14.8 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Louisiana has 31,591 residents, so Jefferson Parish is 13.5 times that size.

Its SAIPE 2023 median household income of $61,168 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

427,253

3144th1st

177th of 3,144 (US)

Land area

301 sq mi

3144th1st

2809th of 3,144 (US)

Density

1,420.1 / sq mi

3144th1st

115th of 3,144 (US)

Median household income

$61,168

3143rd1st

1722nd of 3,143 (US)

Rank within Louisiana (64)

Population

427,253

64th1st

2nd of 64 (LA)

Land area

301 sq mi

64th1st

57th of 64 (LA)

Density

1,420.1 / sq mi

64th1st

2nd of 64 (LA)

Median household income

$61,168

64th1st

16th of 64 (LA)

How Jefferson Parish's population changed since 2020

Jefferson Parish lost 12,494 residents between the July 2020 and July 2024 estimates, a drop of 2.8%. That ranks 35th of 64 in Louisiana for growth. The median Louisiana county changed by -2.3%, and the state as a whole by -1.2%.

Since the April 2020 estimates base, Jefferson Parish recorded 22,402 births and 20,244 deaths, a natural change of +2,158. Net international migration added +16,023 and net domestic migration, people moving to or from other US counties, came to -32,012. The largest single component was domestic migration, which removed 32,012 people.

439.7k2020434.2k2021427.7k2022425.7k2023427.3k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
22,402
Deaths
20,244
Net international migration
+16,023
Net domestic migration
-32,012
Change, July 2023 to July 2024
+1,596

Where Jefferson Parish is

The Census internal point of Jefferson Parish is at 29.503300, -90.036200. It sits in UTM zone 15N. The map shades Louisiana's 64 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Jefferson Parish outlined. Dots are towns of 1,000+ people with residents in it.

Assumption Parish: -4.4%Concordia Parish: -4.2%Jackson Parish: -1.3%De Soto Parish: +1.6%Washington Parish: -0.6%Bienville Parish: -3.9%Caddo Parish: -5.1%Red River Parish: -4.6%Lafayette Parish: +5.0%Webster Parish: -4.6%Calcasieu Parish: -4.4%Allen Parish: -0.8%Rapides Parish: -2.9%Vernon Parish: -5.8%Union Parish: -2.3%St. Tammany Parish: +4.8%West Baton Rouge Parish: +4.3%Winn Parish: -2.3%Beauregard Parish: +0.2%Grant Parish: -0.2%Evangeline Parish: -1.7%Tangipahoa Parish: +4.6%St. Martin Parish: -0.8%Tensas Parish: -6.4%Caldwell Parish: -2.3%Franklin Parish: -3.1%Jefferson Parish: -2.8%Madison Parish: -8.3%Morehouse Parish: -6.6%Jefferson Davis Parish: -2.4%Pointe Coupee Parish: -4.0%Bossier Parish: +1.8%Richland Parish: -1.9%St. Charles Parish: -4.0%Acadia Parish: -1.5%Avoyelles Parish: -3.2%St. Mary Parish: -4.8%East Baton Rouge Parish: -0.6%Lafourche Parish: -2.2%Cameron Parish: -16.8%Terrebonne Parish: -5.1%LaSalle Parish: -0.9%Livingston Parish: +7.0%St. John the Baptist Parish: -6.3%Ouachita Parish: -1.4%Claiborne Parish: -4.0%St. Bernard Parish: +2.1%Orleans Parish: -5.4%St. Landry Parish: -1.8%Plaquemines Parish: -5.0%East Carroll Parish: -6.8%Vermilion Parish: +1.2%East Feliciana Parish: -1.7%Sabine Parish: -1.6%Iberia Parish: -3.6%Ascension Parish: +5.2%Lincoln Parish: -0.1%Natchitoches Parish: -3.8%St. James Parish: -5.0%St. Helena Parish: -0.4%Catahoula Parish: -6.4%West Carroll Parish: -4.5%West Feliciana Parish: -0.7%Iberville Parish: -1.0%
Change 2020 to 2024
  1. < -5.0%
  2. < -3.6%
  3. < -1.7%
  4. < -0.4%
  5. ≥ -0.4%
no data

Orange pin: Jefferson Parish internal point. Dark pin: Baton Rouge.

Internal point

Decimal
29.503300, -90.036200
DMS
29°30'11.88"N 90°02'10.32"W
UTM
15N 787330.9E 3267411.0N
Geohash
9vpzz4vth
Plus code
76XFGX37+8G

Towns in Jefferson Parish

5 incorporated places of 1,000+ people have residents in Jefferson Parish, 100,700 people together, or 24% of the county. Each figure counts only the part of the town inside Jefferson Parish; towns marked "part" extend into another county. The largest is Kenner with 64,650.

  1. 01Kenner64,650
  2. 02Gretna17,185
  3. 03Harahan8,819
  4. 04Westwego8,231
  5. 05Jean Lafitte1,815
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Jefferson Parish

The Census 2024 county adjacency file lists 6 neighbors for Jefferson Parish. The most populous is Orleans Parish, LA, with 362,701 residents. Distances run between Census internal points in a straight line.

Distance to Baton Rouge and the nearest big city

Baton Rouge is 95.3 miles NW of Jefferson Parish's internal point in a straight line. The nearest place of 100,000 or more is New Orleans, LA (population 362,701), 38.5 miles away. The nearest place of 10,000 or more is Gretna, LA (population 17,185), 28.1 miles away.

Jefferson Parish FIPS code

The FIPS code of Jefferson Parish is 22051: state code 22 for Louisiana plus parish code 051. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $61,168.

Questions people ask

What is the population of Jefferson Parish, Louisiana?

The Census Vintage 2024 estimate for July 1, 2024 is 427,253. That is down 12,494 people (2.8%) from the July 2020 estimate of 439,747.

What is the FIPS code of Jefferson Parish?

22051. The first two digits (22) are Louisiana; the last three (051) identify the parish.

What is the largest town in Jefferson Parish?

Kenner, with 64,650 residents inside Jefferson Parish in 2024.

Which counties border Jefferson Parish?

6 county-equivalents border it in the Census 2024 adjacency file: Orleans Parish, LA; St. Tammany Parish, LA; Lafourche Parish, LA; St. Charles Parish, LA; St. John the Baptist Parish, LA; Plaquemines Parish, LA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.