Population
431,398
2025
−1.9% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Jefferson Parish had an estimated 431,398 residents in 2025, down 1.9% (8,290 fewer people) since 2020. That is slower than Louisiana as a whole (−0.7%), and the 29th fastest growth of 64 counties in Louisiana.
Data as of 2025 · updated
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In the Jefferson Parish report
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431,398
2025
−1.9% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
−5,553
2025
−12.9 per 1,000 residents
−36,782 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
4.0%
2025
+0.0 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
410
2025
−58.8% since 2021
1.0 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$65,252
2020–24
+19.0% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
177,065
2023
−0.0% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration was negative in 2025: 5,553 more people moved out to other U.S. counties than moved in.
Private employers had 177,065 paid employees in mid-March 2023, −0.0% since 2018 (County Business Patterns).
Unemployment averaged 4.0% in 2025.
Builders were authorized to start 410 new homes in 2025, or 1.0 per 1,000 residents.
Median household income was $65,252 in the 2020–24 American Community Survey, +19.0% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,434th.
Part of the New Orleans-Metairie, LA metro area.
Email me when Jefferson Parish gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
| Year | Population | Change |
|---|---|---|
| 2025 | 431,398 | −1,006 |
| 2024 | 432,404 | +3,148 |
| 2023 | 429,256 | −830 |
| 2022 | 430,086 | −4,172 |
| 2021 | 434,258 | −5,430 |
| 2020 | 439,688 | – |
Census Bureau population estimates, July 1 of each year.
Jefferson Parish lost 8,290 people since 2020; the biggest drag was domestic migration (−36,782).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +494 | +2,659 | |
| International migrationfrom and to other countries | +4,107 | +25,551 | |
| Domestic migrationfrom and to other U.S. counties | −5,553 | −36,782 | |
| Census adjustmentbalancing residual | −54 | +282 | |
| Total change | −1,006 | −8,290 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Louisiana | Among U.S. counties |
|---|---|---|
| Population growth | 29th of 64 | 2,434th of 3,107 |
| Net domestic migration per 1,000 residents | 58th of 64 | 2,956th of 3,108 |
| Private-sector job growth | 28th of 64 | 1,880th of 3,092 |
| Median household income | 18th of 64 | 1,595th of 3,107 |
| Lowest unemployment rate | 14th of 64 | 1,540th of 3,108 |
| New homes permitted per 1,000 residents | 45th of 64 | 2,117th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
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Over 2020–25, Jefferson Parish's population change (−1.9%) was ahead of 5 of its 6 neighbouring counties and behind 1 (St. Tammany Parish).
4 of its 6 neighbouring counties had a higher median household income than Jefferson Parish's $65,252 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Jefferson Parish, LA This county | 431,398 | −1.9% | −12.9 | 1.0 | $65,252 |
| Orleans Parish, LA | 362,154 | −5.5% | −7.5 | 2.4 | $56,631 |
| St. Charles Parish, LA | 50,586 | −3.7% | −3.8 | 2.3 | $80,897 |
| Lafourche Parish, LA | 95,505 | −2.0% | −1.7 | 3.6 | $63,135 |
| St. John the Baptist Parish, LA | 39,875 | −5.9% | −2.8 | 1.5 | $66,630 |
| Plaquemines Parish, LA | 22,256 | −5.3% | −9.1 | 2.1 | $86,315 |
| St. Tammany Parish, LA | 279,108 | +5.3% | 2.6 | 3.9 | $81,202 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
No. Its population fell 1.9% between 2020 and 2025, about 8,290 fewer people (Census Bureau population estimates). Louisiana as a whole changed −0.7% over the same years. That ranks 29th of 64 counties in Louisiana for population growth.
On net, none in 2025: about 5,553 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
It averaged 4.0% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 431,398 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 177,065 paid employees in mid-March 2023, −0.0% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Louisiana county pages carry the public federal growth figures.
Email me when Jefferson Parish gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.