Ohio

Guernsey

38,438
2020 population
1810
first census record
22
census records

About Guernsey

Guernsey, Ohio, first appears in the United States federal census in 1810, when it recorded a population of 3,051. At the most recent census, in 2020, its population stood at 38,438.

Its recorded population peaked at 45,352 in 1920, and has since declined by roughly 15 percent.

On the ground today, 2 documented military engagements have been recorded within the county, among them Colonel Bouquet's Expedition 1764, Skirmish at Senecaville, Ohio, and 22 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202038,438
201040,087
200040,792
199039,024
198042,024
197037,665
196038,579
195038,452
194038,822
193041,486
192045,352
191042,716
190034,425
189028,645
188027,197
187023,838
186024,474
185030,438
184027,748
183018,036
18209,292
18103,051
Source

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

Battles & engagements in Guernsey

Military engagements that took place in Guernsey, Ohio.

Colonel Bouquet's Expedition 1764
1764
Skirmish at Senecaville, Ohio
1863

Historic places in Guernsey

National Register of Historic Places listings in Guernsey, Ohio.

National Road
Cambridge
Kennedy Stone House
North Salem
S Bridge, National Road
Old Washington
Taylor, Colonel Joseph, House
Cambridge
Barnett-Criss House
Cambridge
Bethel Methodist Episcopal Church
Pleasant City
Booth Homestead
Guernsey
McCracken-McFarland House
Cambridge
Harper, Samuel, Stone House
New Concord
Broom-Braden Stone House
Cambridge
Broom Building
Cambridge
Guernsey County Courthouse
Cambridge
Berwick Hotel
Cambridge
Browse all Ohiohistoric sites ›

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Everything a full report reveals about Guernsey County, Ohio

This page charts the census history of Guernsey 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 Guernsey

When does Guernsey first appear in the US census?
Guernsey, Ohio first appears in the federal census in 1810, with a recorded population of 3,051.
What is the population of Guernsey?
At the most recent federal census (2020), Guernsey had a recorded population of 38,438.
When did Guernsey's population peak?
Guernsey's recorded population peaked at 45,352 in 1920.
Were any battles fought in Guernsey?
2 documented military engagements took place in Guernsey, including Colonel Bouquet's Expedition 1764, Skirmish at Senecaville, Ohio.
How many historic places are in Guernsey?
22 sites are listed on the National Register of Historic Places in Guernsey, Ohio.
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