Plaquemines Parish, Louisiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Plaquemines 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 average
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C
Income Below averageWealthier than 87% of counties in Louisiana
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D
Education Well below averageBetter educated than 71% of counties in Louisiana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Population | 22,803 | 4,610,276 | 337,468,954 |
| Population density (per sq mi) | 8.9 | 88.0 | 86.4 |
| Population growth (%/yr) | -0.42% | -0.10% | 0.59% |
| Median age | 38.8 | 35.9 | 37.3 |
| Households | 8,218 | 1,803,262 | 130,235,071 |
Population in Plaquemines Parish grew by 0.6% from 2009 to 2024, reaching 22,803 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Plaquemines Parish is Gen X, aged 45–60, at 21.5% of residents. That is 2.2 points above Louisiana as a whole.
- Gen Z 13–28 4,749 20.8% -0.7 pts
- Millennials 29–44 4,880 21.4% -0.4 pts
- Gen X 45–60 4,910 21.5% +2.2 pts
- Boomers 61–79 3,387 14.9% -2.3 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 49.6% of the people living in Plaquemines Parish and men 50.4%.
- Women 49.6% Louisiana 51.1%
- Men 50.4% Louisiana 48.9%
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Economy
Plaquemines Parish has a the economy index of C, which means it is somewhat prosperous.
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $86,973 | $60,934 | $80,455 |
| Income growth (%/yr) | 7.26% | 3.69% | 4.80% |
| Unemployment rate | 4.0% | 6.2% | 5.2% |
The median household income in Plaquemines Parish is about 43% higher than in Louisiana.
Housing
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $275,000 | $170,446 | $248,835 |
| Median rent | $1,573 | $1,063 | $1,407 |
| Homeownership rate | 75.8% | 67.4% | 65.2% |
The median home price in Plaquemines Parish is about 14.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,573 per month for that long.
Commute Time & Mobility
Commuters in Plaquemines Parish spend about 48 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 199 hours, about 8.3 full days, spent commuting.
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.9 | 21.3 | 22.4 |
| Round-trip commute (min) | 47.8 | 42.5 | 44.8 |
| Yearly time spent (hours) | 199 | 177 | 187 |
| Estimated yearly cost | $6,173 | $5,493 | $5,790 |
| Work from home | 5.9% | 8.1% | 15.0% |
| Highway traffic (vehicles/day) | 12,617 | 8,275 | 8,813 |
| Local road traffic (vehicles/day) | 2,269 | 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 Plaquemines Parish is 24 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
Plaquemines Parish has a education index of D, which means it is barely educated.
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.4% | 24.0% | 31.6% |
| Average household size | 2.69 | 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
Plaquemines Parish has a health index of C, which means it is somewhat healthy.
| Metric | Plaquemines Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 74.3 | 75.1 | 78.3 |
| Self-rated poor health | 23.7% | 22.3% | 16.3% |
| Smokers | 25.8% | 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).
Plaquemines Parish, LA Compared With Nearby Counties
Plaquemines Parish, LA is the smallest of the 6 counties compared here, 22,803 residents against a local median of 96,166. Plaquemines Parish, LA's median household income, at $86,973, runs 36% above the $64,087 typical of the counties around it. That is the better end of the local range on this measure.
The counties themselves sit within $11,441 of each other on median household income, a tighter band than the gap between any of them and Plaquemines Parish, LA, which makes it a genuine outlier here rather than one end of a wide local spread. Plaquemines Parish, LA has the highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Plaquemines Parish, LA | 22,803 | $86,973 #1/6 | $275,000 #3/6 | 23.9 min #4/6 |
| St. Bernard Parish, LA | 44,403 | $58,829 | $294,230 | 30.6 min |
| Jefferson Parish, LA | 430,689 | $65,514 | $211,530 | 21.6 min |
| Orleans Parish, LA | 371,664 | $56,737 | $311,601 | 20.7 min |
| Lafourche Parish, LA | 96,166 | $64,087 | $245,587 | 21.8 min |
| Hancock County, MS | 46,167 | $68,178 | $168,303 | 30.7 min |
Frequently Asked Questions
Common questions about Plaquemines Parish, Louisiana.
How big is Plaquemines Parish, Louisiana by population?
About 22,803 people live in Plaquemines Parish, Louisiana, in 8,218 households of 2.7 people on average. The median age is 38.8, so residents are older than the U.S. median of 37.3 by about 2 years.
Is Plaquemines Parish, Louisiana urban or rural?
Averaged over its land area, Plaquemines Parish, Louisiana has 9 people per square mile, a density typical of rural areas. That is about 10% of the U.S. average of 86.
Can a typical household afford a home in Plaquemines Parish, Louisiana?
The median home costs 3.2 times the median household income ($275,000 against $86,973), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,573 a month takes about 22% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Plaquemines Parish, Louisiana?
Unemployment in Plaquemines Parish, Louisiana is only 4.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in Plaquemines Parish, Louisiana have a college degree?
18.4% of adults in Plaquemines Parish, Louisiana hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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