Indiana

Ohio

5,940
2020 population
1850
first census record
18
census records

About Ohio

Ohio, Indiana, first appears in the United States federal census in 1850, when it recorded a population of 5,308. At the most recent census, in 2020, its population stood at 5,940.

Its recorded population peaked at 6,128 in 2010, and has since declined by roughly 3 percent.

On the ground today, 3 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20205,940
20106,128
20005,623
19905,315
19805,114
19704,289
19604,165
19504,223
19403,782
19303,747
19204,024
19104,329
19004,724
18904,955
18805,563
18705,837
18605,462
18505,308
Source

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

Historic places in Ohio

National Register of Historic Places listings in Ohio, Indiana.

Clore Plow Works-J.W. Whitlock and Company
Rising Sun
Rising Sun Historic District
Rising Sun
Browse all Indianahistoric sites ›

Other counties in Indiana

Explore census history and historic records for more Indiana counties.

RushScottShelbySpencerSt. JosephStarkeSteubenSullivanSwitzerlandTippecanoeTiptonUnionVanderburghVermillionVigoWabashWarrenWarrickWashingtonWayne
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Everything a full report reveals about Ohio County, Indiana

This page charts the census history of Ohio 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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Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

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Explore Indiana records

Indianahistory ›NRHP historic sites ›Notable people from Indiana›

Frequently asked about Ohio

When does Ohio first appear in the US census?
Ohio, Indiana first appears in the federal census in 1850, with a recorded population of 5,308.
What is the population of Ohio?
At the most recent federal census (2020), Ohio had a recorded population of 5,940.
When did Ohio's population peak?
Ohio's recorded population peaked at 6,128 in 2010.
How many historic places are in Ohio?
3 sites are listed on the National Register of Historic Places in Ohio, Indiana.
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