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
Remote work is unusually rare in Plaquemines Parish: 3.1% of workers primarily work from home, below the 14.0% national rate. With 23,070 residents, Plaquemines Parish is a county in Louisiana. It ranks #38 among counties in Louisiana by population.
The typical household earns $82,874 a year, above the US median of $78,538. The poverty rate is 10.2%, below the national 12.4%. The median home value is $275,800, with typical rent around $1,611.
19.8% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is rare here (3.1%, below the national 14.0%), and the average commute runs about 28 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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County rankings
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.
Plaquemines Parish, LA Climate
Plaquemines Parish, LA has an average annual temperature of 20.8°C (69°F) and receives about 1492 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
20.8°C
Avg Temp
1492
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 55° | 126 mm |
| February | 14° / 56° | 102 mm |
| March | 17° / 62° | 119 mm |
| April | 20° / 68° | 91 mm |
| May | 24° / 75° | 120 mm |
| June | 27° / 80° | 96 mm |
| July | 28° / 82° | 169 mm |
| August | 28° / 82° | 177 mm |
| September | 27° / 80° | 163 mm |
| October | 22° / 72° | 85 mm |
| November | 18° / 64° | 112 mm |
| December | 14° / 57° | 132 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Plaquemines Parish, LA
The most comfortable months to visit Plaquemines Parish, LA are typically April, October and November, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near 9°C low). August is usually the wettest month.
Where to stay near Plaquemines Parish
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.