Jefferson Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Louisiana
The population of Jefferson Parish, Louisiana is 432,484 as of the 2023 American Community Survey, making it the 2nd-largest county in Louisiana. The median household income is $65,246, the median home value is $243,500, and the median age is 39.9.
The population of Jefferson Parish has declined 1.2% since 2010 (432,618 → 427,253), a -0.09% annualized rate.
432,484
Population
-0.09%
Annual growth
1437
People / sq mi
$65,246
Median Income
$243,500
Median Home Value
Jefferson Parish covers 301 sq mi of land at 1437.5 people per square mile.
About Jefferson Parish, LA
Jefferson Parish is a county in Louisiana with a population of 432,484. It ranks #2 among counties in Louisiana by population. The median age is 39.9, in line with the national median. The population is 48.6% male and 51.4% female.
The median household income in Jefferson Parish is $65,246, below the US median of $74,580. 12.8% of residents live below the federal poverty level. Home values sit at a median of $243,500, with monthly rent averaging $1,162. The homeownership rate of 62.3% is close to the national rate of 64.8%.
Educational attainment in Jefferson Parish reflects 29.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.3 minutes each way.
Jefferson Parish Population History (2010-2024)
The county of Jefferson Parish had a population of 432,618 in 2010 and 427,253 in 2024, a -1.2% growth over 14 years. The peak was 439,747 in 2020. Average annual growth rate: -0.09%.
427,253
Population (2024)
432,618
Population (2010)
439,747
Peak (2020)
-0.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 432,618 |
| 2011 | 434,133 |
| 2012 | 434,049 |
| 2013 | 434,394 |
| 2014 | 434,235 |
| 2015 | 435,358 |
| 2016 | 436,865 |
| 2017 | 436,571 |
| 2018 | 434,637 |
| 2019 | 434,096 |
| 2020 | 439,747 |
| 2021 | 434,206 |
| 2022 | 427,739 |
| 2023 | 425,657 |
| 2024 | 427,253 |
Race & Ethnicity
| White | 52.7% |
| Black or African American | 26.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.0% |
Age & Sex
39.9
Median Age
51.4%
Female
48.6%
Male
18.1%
Age 65+
Age Distribution
Children (under 15): 18.7% · Seniors (65+): 18.1%
Income & Poverty
| Median household income | $65,246+$5,223 vs state |
| Mean household income | $91,025 |
| Per-capita income | $37,062 |
| Poverty rate | 12.8%-1.4% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 59.3% |
Top Industries by Employment
The largest employment sector in Jefferson Parish is professional & business services, accounting for 22.7% of workers.
How residents commute
0.9%
Drive alone
1.7%
Carpool
77.3%
Public transit
7.4%
Work from home
24.3 min
Avg commute
Housing
$243,500+$34,800 vs state
Median home value
$1,162
Median rent
62.3%
Homeownership rate
194,109
Total housing units
91.2%
Occupied
8.8%
Vacant
37.7%
Renter-occupied
Social & access
89.1%
With health insurance
93.5%
With broadband internet
14.7%
Foreign-born
5.6%
Veterans (18+)
16.1%
With a disability
79.5%
Speak language other than English at home
Education
86.6%
High School+
29.9%
Bachelor's+
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Common questions about Jefferson Parish, LA
Frequently Asked Questions
Jefferson Parish, Louisiana has a population of 432,484 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Louisiana. Population density is 1437 people per square mile.
The population of Jefferson Parish has declined 1.2% since 2010 (432,618 → 427,253), a -0.09% annualized rate.
The median household income in Jefferson Parish, Louisiana is $65,246, with mean (average) household income of $91,025 and per-capita income of $37,062. 12.8% of residents live below the federal poverty level.
In Jefferson Parish, the largest racial and ethnic groups are White (52.7%), Black or African American (26.0%), Hispanic or Latino (2.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jefferson Parish, Louisiana is 39.9 years. Residents are 51.4% female and 48.6% male.
The median home value in Jefferson Parish is $243,500 and median monthly rent is $1,162. 62.3% of occupied housing units are owner-occupied. The county has 194,109 total housing units, 8.8% of which are vacant.
The largest employment sector in Jefferson Parish, Louisiana is professional, scientific, and management services, employing 22.7% of workers. The unemployment rate is 3.7%.
New Orleans is among the largest cities associated with Jefferson Parish, Louisiana, with a population of 376,035.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.