Ohio

Jefferson

65,249
2020 population
1800
first census record
23
census records

About Jefferson

Jefferson, Ohio, first appears in the United States federal census in 1800, when it recorded a population of 8,766. At the most recent census, in 2020, its population stood at 65,249.

Its recorded population peaked at 99,201 in 1960, and has since declined by roughly 34 percent.

On the ground today, 2 documented military engagements have been recorded within the county, among them Yellow Creek Massacre – Mingo 1774, Skirmish at Mingo Junction, Ohio, and 25 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202065,249
201069,709
200073,894
199080,298
198091,564
197096,193
196099,201
195096,495
194098,129
193088,307
192077,580
191065,423
190044,357
189039,415
188033,018
187029,188
186026,115
185029,133
184025,030
183022,489
182018,531
181017,260
18008,766
Source

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

Battles & engagements in Jefferson

Military engagements that took place in Jefferson, Ohio.

Yellow Creek Massacre – Mingo 1774
1774
Skirmish at Mingo Junction, Ohio
1863

Historic places in Jefferson

National Register of Historic Places listings in Jefferson, Ohio.

Friends Meetinghouse
Mount Pleasant
Federal Land Office
Steubenville
Stringer Stone House
Rayland
Hodgen's Cemetery Mound
Tiltonsville
First Methodist Episcopal-Holy Trinity Greek Orthodox Church
Steubenville
Union Cemetery-Beatty Park
Steubenville
Mount Pleasant Historic District
Mt. Pleasant
Lundy, Benjamin, House
Mt. Pleasant
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 Jefferson County, Ohio

This page charts the census history of Jefferson 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 Jefferson

When does Jefferson first appear in the US census?
Jefferson, Ohio first appears in the federal census in 1800, with a recorded population of 8,766.
What is the population of Jefferson?
At the most recent federal census (2020), Jefferson had a recorded population of 65,249.
When did Jefferson's population peak?
Jefferson's recorded population peaked at 99,201 in 1960.
Were any battles fought in Jefferson?
2 documented military engagements took place in Jefferson, including Yellow Creek Massacre – Mingo 1774, Skirmish at Mingo Junction, Ohio.
How many historic places are in Jefferson?
25 sites are listed on the National Register of Historic Places in Jefferson, Ohio.
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