Louisiana

St. John the Baptist

42,477
2020 population
1810
first census record
22
census records

About St. John the Baptist

St. John the Baptist, Louisiana, first appears in the United States federal census in 1810, when it recorded a population of 2,990. At the most recent census, in 2020, its population stood at 42,477.

Its recorded population peaked at 45,924 in 2010, and has since declined by roughly 8 percent.

On the ground today, 2 documented military engagements have been recorded within the county, among them German Coast Uprising 1811, Battle of Cox's Plantation, and 17 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202042,477
201045,924
200043,044
199039,996
198031,924
197023,813
196018,439
195014,861
194014,766
193014,078
192011,896
191014,338
190012,330
189011,359
18809,686
18706,762
18607,930
18507,317
18405,776
18305,677
18203,854
18102,990
Source

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

Battles & engagements in St. John the Baptist

Military engagements that took place in St. John the Baptist, Louisiana.

German Coast Uprising 1811
1811
Battle of Cox's Plantation
1863

Historic places in St. John the Baptist

National Register of Historic Places listings in St. John the Baptist, Louisiana.

Godchaux-Reserve Plantation House
Reserve
San Francisco Plantation House
Reserve
Caire, E.J., & Co. Stores
Edgard
Our Lady of Grace Church
Reserve
Evergreen Plantation
Wallace
Whitney Plantation Historic District
Wallace
Browse all Louisianahistoric sites ›

Other counties in Louisiana

Explore census history and historic records for more Louisiana counties.

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Everything a full report reveals about St. John the Baptist County, Louisiana

This page charts the census history of St. John the Baptist 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 St. John the Baptist

When does St. John the Baptist first appear in the US census?
St. John the Baptist, Louisiana first appears in the federal census in 1810, with a recorded population of 2,990.
What is the population of St. John the Baptist?
At the most recent federal census (2020), St. John the Baptist had a recorded population of 42,477.
When did St. John the Baptist's population peak?
St. John the Baptist's recorded population peaked at 45,924 in 2010.
Were any battles fought in St. John the Baptist?
2 documented military engagements took place in St. John the Baptist, including German Coast Uprising 1811, Battle of Cox's Plantation.
How many historic places are in St. John the Baptist?
17 sites are listed on the National Register of Historic Places in St. John the Baptist, Louisiana.
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