Jefferson Parish, Louisiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Jefferson Parish, LA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below averageHealthier than 81% of counties in Louisiana
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C
Income Below averageWealthier than 81% of counties in Louisiana
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D
Education Well below averageBetter educated than 90% of counties in Louisiana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Population | 430,689 | 4,610,276 | 337,468,954 |
| Population density (per sq mi) | 670.0 | 88.0 | 86.4 |
| Population growth (%/yr) | -0.12% | -0.10% | 0.59% |
| Median age | 40.1 | 35.9 | 37.3 |
| Households | 176,932 | 1,803,262 | 130,235,071 |
Population in Jefferson Parish declined by 4.8% from 2009 to 2024, reaching 430,689 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Jefferson Parish is Millennials, aged 29–44, at 21.7% of residents. That is 0.1 points below Louisiana as a whole.
- Gen Z 13–28 84,032 19.5% -2.0 pts
- Millennials 29–44 93,470 21.7% -0.1 pts
- Gen X 45–60 87,374 20.3% +0.9 pts
- Boomers 61–79 77,921 18.1% +0.9 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Louisiana, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.4% of the people living in Jefferson Parish and men 48.6%.
- Women 51.4% Louisiana 51.1%
- Men 48.6% Louisiana 48.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Jefferson Parish
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Jefferson Parish has a the economy index of C, which means it is somewhat prosperous.
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $65,514 | $60,934 | $80,455 |
| Income growth (%/yr) | 3.68% | 3.69% | 4.80% |
| Unemployment rate | 6.1% | 6.2% | 5.2% |
The median household income in Jefferson Parish is about 8% higher than in Louisiana.
Housing
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $211,530 | $170,446 | $248,835 |
| Median rent | $1,189 | $1,063 | $1,407 |
| Homeownership rate | 62.6% | 67.4% | 65.2% |
The median home price in Jefferson Parish is about 14.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,189 per month for that long.
Commute Time & Mobility
Commuters in Jefferson Parish spend about 43 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 180 hours, about 7.5 full days, spent commuting.
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.6 | 21.3 | 22.4 |
| Round-trip commute (min) | 43.3 | 42.5 | 44.8 |
| Yearly time spent (hours) | 180 | 177 | 187 |
| Estimated yearly cost | $5,591 | $5,493 | $5,790 |
| Work from home | 8.2% | 8.1% | 15.0% |
| Highway traffic (vehicles/day) | 18,400 | 8,275 | 8,813 |
| Local road traffic (vehicles/day) | 3,468 | 1,164 | 1,355 |
Fastest commutes among counties in
Louisiana:
East Carroll Parish (11.4 min), Madison Parish (13.1 min), St. Mary Parish (15.5 min).
Slowest:
West Feliciana Parish (32.8 min), East Feliciana Parish (32.8 min), St. Helena Parish (32.4 min).
The average commute time in Jefferson Parish is 22 minutes, longer than the 21 minutes in Louisiana.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Jefferson Parish has a education index of D, which means it is barely educated.
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 28.1% | 24.0% | 31.6% |
| Average household size | 2.42 | 2.49 | 2.53 |
Highest education index among counties in
Louisiana:
Orleans Parish (0.3), East Baton Rouge Parish (0.3), St. Tammany Parish (0.3).
Lowest:
East Carroll Parish (0.1), Assumption Parish (0.2), Evangeline Parish (0.2).
Health
Jefferson Parish has a health index of C, which means it is somewhat healthy.
| Metric | Jefferson Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.2 | 75.1 | 78.3 |
| Self-rated poor health | 19.0% | 22.3% | 16.3% |
| Smokers | 18.6% | 23.9% | 19.0% |
Highest health index among counties in
Louisiana:
St. Tammany Parish (0.8), Ascension Parish (0.8), Vernon Parish (0.8).
Lowest:
East Carroll Parish (0.7), Madison Parish (0.7), Tensas Parish (0.7).
Jefferson Parish, LA Compared With Nearby Counties
Jefferson Parish, LA is the largest of the 6 counties compared here, 430,689 residents against a local median of 51,396. Where Jefferson Parish, LA breaks from the counties next to it is median home price, sitting 18% below the local median of $258,490 at $211,530.
The counties themselves spread $117,543 on median home price, so Jefferson Parish, LA sits at one end of an already wide local range rather than apart from it. Jefferson Parish, LA has the 5th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Jefferson Parish, LA | 430,689 | $65,514 #3/6 | $211,530 #5/6 | 21.6 min #2/6 |
| St. Charles Parish, LA | 51,396 | $81,548 | $194,058 | 23.3 min |
| Lafourche Parish, LA | 96,166 | $64,087 | $245,587 | 21.8 min |
| Orleans Parish, LA | 371,664 | $56,737 | $311,601 | 20.7 min |
| St. John the Baptist Parish, LA | 40,683 | $64,877 | $258,490 | 30.1 min |
| Plaquemines Parish, LA | 22,803 | $86,973 | $275,000 | 23.9 min |
Frequently Asked Questions
Common questions about Jefferson Parish, Louisiana.
How big is Jefferson Parish, Louisiana by population?
About 430,689 people live in Jefferson Parish, Louisiana, in 176,932 households of 2.4 people on average. The median age is 40.1, so residents are older than the U.S. median of 37.3 by about 3 years.
How densely populated is Jefferson Parish, Louisiana?
Averaged over its land area, Jefferson Parish, Louisiana has 670 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 7.8 times the U.S. average of 86.
Is Jefferson Parish, Louisiana an affordable place to live?
The median home costs 3.2 times the median household income ($211,530 against $65,514), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,189 a month takes about 22% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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