Indiana

Warren

8,440
2020 population
1830
first census record
20
census records

About Warren

Warren, Indiana, first appears in the United States federal census in 1830, when it recorded a population of 2,861. At the most recent census, in 2020, its population stood at 8,440.

Its recorded population peaked at 11,497 in 1880, and has since declined by roughly 27 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Clark's 1786 Wabash Expedition, and 4 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20208,440
20108,508
20008,419
19908,176
19808,976
19708,705
19608,545
19508,535
19409,055
19309,167
19209,699
191010,899
190011,371
189010,955
188011,497
187010,204
186010,057
18507,387
18405,656
18302,861
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, Indiana.

Clark's 1786 Wabash Expedition
1786

Historic places in Warren

National Register of Historic Places listings in Warren, Indiana.

Warren County Courthouse
Williamsport
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Other counties in Indiana

Explore census history and historic records for more Indiana counties.

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Everything a full report reveals about Warren County, Indiana

This page charts the census history of Warren County, Indiana. 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, Indiana first appears in the federal census in 1830, with a recorded population of 2,861.
What is the population of Warren?
At the most recent federal census (2020), Warren had a recorded population of 8,440.
When did Warren's population peak?
Warren's recorded population peaked at 11,497 in 1880.
Were any battles fought in Warren?
1 documented military engagement took place in Warren, including Clark's 1786 Wabash Expedition.
How many historic places are in Warren?
4 sites are listed on the National Register of Historic Places in Warren, Indiana.
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