Missouri

Warren

35,532
2020 population
1840
first census record
19
census records

About Warren

Warren, Missouri, first appears in the United States federal census in 1840, when it recorded a population of 4,253. At the most recent census, in 2020, its population stood at 35,532.

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

On the ground today, one documented military engagement has been recorded within the county, among them Warren County Guerrilla Action 1862, and 9 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202035,532
201032,513
200024,525
199019,534
198014,900
19709,699
19608,750
19507,666
19407,734
19308,082
19208,490
19109,123
19009,919
18909,913
188010,806
18709,673
18608,839
18505,860
18404,253
Source

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

Battles & engagements in Warren

Military engagements that took place in Warren, Missouri.

Warren County Guerrilla Action 1862
1862

Historic places in Warren

National Register of Historic Places listings in Warren, Missouri.

Schowengerdt, Ernst, House
Warrenton
Starke-Meinershagen-Boeke Rural Historic District
Marthasville
Warren County Courthouse and Circuit Court Building
Warrenton
Browse all Missourihistoric sites ›

Other counties in Missouri

Explore census history and historic records for more Missouri counties.

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Everything a full report reveals about Warren County, Missouri

This page charts the census history of Warren County, Missouri. 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 Warren

When does Warren first appear in the US census?
Warren, Missouri first appears in the federal census in 1840, with a recorded population of 4,253.
What is the population of Warren?
At the most recent federal census (2020), Warren had a recorded population of 35,532.
Were any battles fought in Warren?
1 documented military engagement took place in Warren, including Warren County Guerrilla Action 1862.
How many historic places are in Warren?
9 sites are listed on the National Register of Historic Places in Warren, Missouri.
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