Ohio

Harrison

14,483
2020 population
1820
first census record
21
census records

About Harrison

Harrison, Ohio, first appears in the United States federal census in 1820, when it recorded a population of 14,345. At the most recent census, in 2020, its population stood at 14,483.

Its recorded population peaked at 20,916 in 1830, and has since declined by roughly 31 percent.

On the ground today, 7 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202014,483
201015,864
200015,856
199016,085
198018,152
197017,013
196017,995
195019,054
194020,313
193018,844
192019,625
191019,076
190020,486
189020,830
188020,456
187018,682
186019,110
185020,157
184020,099
183020,916
182014,345
Source

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

Historic places in Harrison

National Register of Historic Places listings in Harrison, Ohio.

Harrison National Bank
Cadiz
Law, Henry, Farm Historic District
Uhrichsville
Franklin College Building No. 5
New Athens
Ourant's School
Cadiz
Harrison County Courthouse
Cadiz
Reaves, John, House
Freeport
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Everything a full report reveals about Harrison County, Ohio

This page charts the census history of Harrison County, Ohio. 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 Harrison

When does Harrison first appear in the US census?
Harrison, Ohio first appears in the federal census in 1820, with a recorded population of 14,345.
What is the population of Harrison?
At the most recent federal census (2020), Harrison had a recorded population of 14,483.
When did Harrison's population peak?
Harrison's recorded population peaked at 20,916 in 1830.
How many historic places are in Harrison?
7 sites are listed on the National Register of Historic Places in Harrison, Ohio.
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