County Maps US

Plaquemines Parish, Louisiana

A parish in Louisiana, ranked 39 of 64 by population.

ParishFIPS 22075

Within Louisiana
Plaquemines Parish, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data.

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Population
22,256
-1,247 (-5.3%) since 2020
Land area
780.6
square miles. A further 69.6% of the total area is water
Population density
28.5
people per square mile, computed rather than published
County seat
Pointe à la Hache
Seat of county government.
Established
1807
218 years ago
Largest city
Not available
No incorporated place lies within this parish.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Plaquemines Parish with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Plaquemines Parish, Louisiana from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 769 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Plaquemines Parish ranks

Position among the 64 parishes of Louisiana, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn LouisianaNationally
Population22,25639th of 641,714th of 3,144
Land area780.6 sq mi22nd of 641,108th of 3,144
Population density28.5 per sq mi47th of 641,969th of 3,144
Median household income$86,3153rd of 64393rd of 3,143

Full data for Plaquemines Parish

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population22,256Vintage 2025 Population Estimates
Population in 202023,503Vintage 2025 Population Estimates
2020 estimates base?23,558Vintage 2025 Population Estimates
Land area780.6 sq mi2025 Gazetteer Files
Water area1,787 sq mi2025 Gazetteer Files
Total area2,567 sq mi2025 Gazetteer Files
Population density?28.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$86,315American Community Survey 2020-2024 5-Year Estimates
Median home value$282,900American Community Survey 2020-2024 5-Year Estimates
Median age37.5American Community Survey 2020-2024 5-Year Estimates
Households8,218American Community Survey 2020-2024 5-Year Estimates
Housing units9,736American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+31
224 births, 193 deaths
Net migration
-161
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 3 areas bordering Plaquemines Parish

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
St. Bernard ParishLouisiana73 mi45,642
Jefferson ParishLouisiana59 mi431,398
Orleans ParishLouisiana8.7 mi362,154

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 64 parishes of Louisiana

Open the interactive Louisiana county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.