Ohio

Franklin

1,323,807
2020 population
1810
first census record
22
census records

About Franklin

Franklin, Ohio, first appears in the United States federal census in 1810, when it recorded a population of 3,486. At the most recent census, in 2020, its population stood at 1,323,807.

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

On the ground today, 6 documented military engagements have been recorded within the county, among them Woodland Period Defensive Earthworks – Ohio, Skirmish at Squaw Campaign (1779), Harrison Land Act Protests — Ohio 1804, and 362 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20201,323,807
20101,163,414
20001,068,978
1990961,437
1980869,132
1970833,249
1960682,962
1950503,410
1940388,712
1930361,055
1920283,951
1910221,567
1900164,460
1890124,087
188086,797
187063,019
186050,361
185042,909
184025,049
183014,741
182010,292
18103,486
Source

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

Battles & engagements in Franklin

Military engagements that took place in Franklin, Ohio.

Woodland Period Defensive Earthworks – Ohio
1100
Skirmish at Squaw Campaign (1779)
1779
Harrison Land Act Protests — Ohio 1804
1804
Ohio — Camp Chase Confederate Prison
1861
Camp Chase Columbus
1861
Camp Chase Confederate Escape Attempts
1862

Historic places in Franklin

National Register of Historic Places listings in Franklin, Ohio.

Ohio Theatre
Columbus
Long and Third Commercial Building
Columbus
Columbus Near East Side District
Columbus
Columbus Gallery of Fine Arts
Columbus
Thurber, James, House
Columbus
Fort Hayes
Columbus
East Town Street Historic District
Columbus
Kahiki, The
Columbus
Bank Block Building
Grandview
Indianola Junior High School
Columbus
Kaufman, Frank J., House
Columbus
Rager, John, Farmhouse
Canal Winchester
Walters, Vincent, House-Walters Music Academy
Columbus
Ohio Statehouse
Columbus
Harrison, Gen. William Henry, Headquarters
Columbus
Shier, Carl H., House
Amlin
South High Street Commercial Grouping
Columbus
University, Hayes and Orton Halls
Columbus
Hart, Gideon, House
Westerville
Born Capital Brewery Bottling Works
Columbus
Glen Echo Historic District
Columbus
Holy Cross Church, Rectory and School
Columbus
Morris, C. E., House
Columbus
Groveport United Methodist Church
Groveport
Browse all Ohiohistoric sites ›

Other counties in Ohio

Explore census history and historic records for more Ohio counties.

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Everything a full report reveals about Franklin County, Ohio

This page charts the census history of Franklin 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 Franklin

When does Franklin first appear in the US census?
Franklin, Ohio first appears in the federal census in 1810, with a recorded population of 3,486.
What is the population of Franklin?
At the most recent federal census (2020), Franklin had a recorded population of 1,323,807.
Were any battles fought in Franklin?
6 documented military engagements took place in Franklin, including Woodland Period Defensive Earthworks – Ohio, Skirmish at Squaw Campaign (1779), Harrison Land Act Protests — Ohio 1804.
How many historic places are in Franklin?
362 sites are listed on the National Register of Historic Places in Franklin, Ohio.
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