Louisiana

Plaquemines

23,515
2020 population
1810
first census record
22
census records

About Plaquemines

Plaquemines, Louisiana, first appears in the United States federal census in 1810, when it recorded a population of 1,549. At the most recent census, in 2020, its population stood at 23,515.

Its recorded population peaked at 26,757 in 2000, and has since declined by roughly 12 percent.

On the ground today, 18 documented military engagements have been recorded within the county, among them British Bombardment of Fort St. Philip, Battle of Fort St. Philip Bombardment (Jan 9–18 1815), Battle of Fort St. Philip, and 16 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202023,515
201023,042
200026,757
199025,575
198026,049
197025,225
196022,545
195014,239
194012,318
19309,608
192010,194
191012,524
190013,039
189012,541
188011,575
187010,552
18608,494
18507,390
18405,060
18304,489
18202,354
18101,549
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Plaquemines

Military engagements that took place in Plaquemines, Louisiana.

British Bombardment of Fort St. Philip
1815
Battle of Fort St. Philip Bombardment (Jan 9–18 1815)
1815
Battle of Fort St. Philip
1815
Battle of Head of Passes (October 1861)
1861
CSS Manassas (First Confederate Ironclad Action)
1861
Battle of Head of Passes
1861
Battle of Fort Jackson and Fort St. Philip
1862
CSS Louisiana at Fort Jackson
1862
Fort St. Philip Final Bombardment
1862
Capture of New Orleans — Confederate Naval Resistance
1862
Capture of New Orleans (Forts Jackson & St. Philip)
1862
Bombardment of Forts Jackson and St. Philip
1862
Engagement at Forts Jackson and St. Philip Before New Orleans
1862
Battle of New Orleans — Farragut Passes the Forts
1862
Passage of Forts Jackson and St. Philip
1862
CSS Louisiana at New Orleans — Incomplete Ironclad
1862
Battle of New Orleans — Mortar Fleet Bombardment
1862
CSS Manassas Engagement at New Orleans
1862

Historic places in Plaquemines

National Register of Historic Places listings in Plaquemines, Louisiana.

Fort De La Boulaye Site
Phoenix
St. Patrick's Catholic Church
West Pointe a'la Hache
Harlem Plantation House
Pointe a la Hache
Fort St. Philip
Triumph
Fort Jackson
Triumph
S.S. ALCOA PURITAN (shipwreck and remains)
Pilottown
Woodland Plantation
West Pointe a la Hache
Mary Plantation House
Braithwaite
Browse all Louisianahistoric sites ›

Other counties in Louisiana

Explore census history and historic records for more Louisiana counties.

St. HelenaSt. JamesSt. John the BaptistSt. LandrySt. MartinSt. MarySt. TammanyTangipahoaTensasTerrebonneUnionVermilionVernonWashingtonWebsterWest Baton RougeWest CarrollWest FelicianaWinnAcadia
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Everything a full report reveals about Plaquemines County, Louisiana

This page charts the census history of Plaquemines County, Louisiana. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Plaquemines

When does Plaquemines first appear in the US census?
Plaquemines, Louisiana first appears in the federal census in 1810, with a recorded population of 1,549.
What is the population of Plaquemines?
At the most recent federal census (2020), Plaquemines had a recorded population of 23,515.
When did Plaquemines's population peak?
Plaquemines's recorded population peaked at 26,757 in 2000.
Were any battles fought in Plaquemines?
18 documented military engagements took place in Plaquemines, including British Bombardment of Fort St. Philip, Battle of Fort St. Philip Bombardment (Jan 9–18 1815), Battle of Fort St. Philip.
How many historic places are in Plaquemines?
16 sites are listed on the National Register of Historic Places in Plaquemines, Louisiana.
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