Louisiana

Ouachita

160,368
2020 population
1810
first census record
22
census records

About Ouachita

Ouachita, Louisiana, first appears in the United States federal census in 1810, when it recorded a population of 1,077. At the most recent census, in 2020, its population stood at 160,368.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 2 documented military engagements have been recorded within the county, among them Monroe First Skirmish (1862), Skirmish at Monroe LA, and 34 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020160,368
2010153,720
2000147,250
1990142,191
1980139,241
1970115,387
1960101,663
195074,713
194059,168
193054,337
192030,319
191025,830
190020,947
189017,985
188014,685
187011,582
18604,727
18505,008
18404,640
18305,140
18202,896
18101,077
Source

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

Battles & engagements in Ouachita

Military engagements that took place in Ouachita, Louisiana.

Monroe First Skirmish (1862)
1862
Skirmish at Monroe LA
1863

Historic places in Ouachita

National Register of Historic Places listings in Ouachita, Louisiana.

Bright-Lamkin-Easterling House
Monroe
Neville High School
Monroe
Slagle House
Monroe
Filhiol, Roland M., House
Monroe
First United Methodist Church
West Monroe
Boscobel Cottage
Bosco
Hall, Gov. Luther, House
Monroe
Allen-Barringer House
West Monroe
Block, J. S., Building
Monroe
Cooley, G. B., House
Monroe
Browse all Louisianahistoric sites ›

Other counties in Louisiana

Explore census history and historic records for more Louisiana counties.

LincolnLivingstonMadisonMorehouseNatchitochesOrleansParishPlaqueminesPointe CoupeeRapidesRed RiverRichlandSabineSt. BernardSt. CharlesSt. HelenaSt. JamesSt. John the BaptistSt. LandrySt. Martin
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Everything a full report reveals about Ouachita County, Louisiana

This page charts the census history of Ouachita 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 Ouachita

When does Ouachita first appear in the US census?
Ouachita, Louisiana first appears in the federal census in 1810, with a recorded population of 1,077.
What is the population of Ouachita?
At the most recent federal census (2020), Ouachita had a recorded population of 160,368.
Were any battles fought in Ouachita?
2 documented military engagements took place in Ouachita, including Monroe First Skirmish (1862), Skirmish at Monroe LA.
How many historic places are in Ouachita?
34 sites are listed on the National Register of Historic Places in Ouachita, Louisiana.
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