Plaquemines Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 38th-largest in Louisiana
The population of Plaquemines Parish, Louisiana is 23,070 as of the 2023 American Community Survey, making it the 38th-largest county in Louisiana. The median household income is $82,874, the median home value is $275,800, and the median age is 36.8.
The population of Plaquemines Parish has declined 3.6% since 2010 (23,120 → 22,289), a -0.26% annualized rate.
23,070
Population
-0.26%
Annual growth
30
People / sq mi
$82,874
Median Income
$275,800
Median Home Value
Plaquemines Parish covers 781 sq mi of land at 29.6 people per square mile.
About Plaquemines Parish, LA
Plaquemines Parish is a county in Louisiana with a population of 23,070. It ranks #38 among counties in Louisiana by population. The median age is 36.8, younger than the national median. The population is 52.2% male and 47.8% female.
The median household income in Plaquemines Parish is $82,874, above the US median of $74,580. 10.2% of residents live below the federal poverty level. Home values sit at a median of $275,800, with monthly rent averaging $1,611. The homeownership rate of 73.9% is higher than the national rate of 64.8%.
Educational attainment in Plaquemines Parish reflects 19.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 27.5 minutes each way.
Plaquemines Parish Population History (2010-2024)
The county of Plaquemines Parish had a population of 23,120 in 2010 and 22,289 in 2024, a -3.6% growth over 14 years. The peak was 23,836 in 2012. Average annual growth rate: -0.25%.
22,289
Population (2024)
23,120
Population (2010)
23,836
Peak (2012)
-0.25%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 23,120 |
| 2011 | 23,588 |
| 2012 | 23,836 |
| 2013 | 23,520 |
| 2014 | 23,323 |
| 2015 | 23,462 |
| 2016 | 23,360 |
| 2017 | 23,376 |
| 2018 | 23,411 |
| 2019 | 23,264 |
| 2020 | 23,457 |
| 2021 | 23,312 |
| 2022 | 22,603 |
| 2023 | 22,356 |
| 2024 | 22,289 |
Race & Ethnicity
| White | 61.8% |
| Black or African American | 22.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Age & Sex
36.8
Median Age
47.8%
Female
52.2%
Male
13.9%
Age 65+
Age Distribution
Children (under 15): 21.0% · Seniors (65+): 13.9%
Income & Poverty
| Median household income | $82,874+$22,851 vs state |
| Mean household income | $100,882 |
| Per-capita income | $36,570 |
| Poverty rate | 10.2%-4.0% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 56.7% |
Top Industries by Employment
The largest employment sector in Plaquemines Parish is professional & business services, accounting for 20.7% of workers.
How residents commute
0.0%
Drive alone
2.9%
Carpool
82.8%
Public transit
3.1%
Work from home
27.5 min
Avg commute
Housing
$275,800+$67,100 vs state
Median home value
$1,611
Median rent
73.9%
Homeownership rate
9,625
Total housing units
85.2%
Occupied
14.8%
Vacant
26.1%
Renter-occupied
Social & access
94.3%
With health insurance
93.6%
With broadband internet
15.7%
Foreign-born
6.3%
Veterans (18+)
15.4%
With a disability
89.6%
Speak language other than English at home
Education
85.6%
High School+
19.8%
Bachelor's+
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Frequently Asked Questions
Plaquemines Parish, Louisiana has a population of 23,070 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest county in Louisiana. Population density is 30 people per square mile.
The population of Plaquemines Parish has declined 3.6% since 2010 (23,120 → 22,289), a -0.26% annualized rate.
The median household income in Plaquemines Parish, Louisiana is $82,874, with mean (average) household income of $100,882 and per-capita income of $36,570. 10.2% of residents live below the federal poverty level.
In Plaquemines Parish, the largest racial and ethnic groups are White (61.8%), Black or African American (22.4%), Hispanic or Latino (3.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Plaquemines Parish, Louisiana is 36.8 years. Residents are 47.8% female and 52.2% male.
The median home value in Plaquemines Parish is $275,800 and median monthly rent is $1,611. 73.9% of occupied housing units are owner-occupied. The county has 9,625 total housing units, 14.8% of which are vacant.
The largest employment sector in Plaquemines Parish, Louisiana is professional, scientific, and management services, employing 20.7% of workers. The unemployment rate is 2.7%.
New Orleans is among the largest cities associated with Plaquemines 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.