Pennsylvania
Adams
103,852
2020 population
1800
first census record
23
census records
About Adams
Adams, Pennsylvania, first appears in the United States federal census in 1800, when it recorded a population of 13,172. At the most recent census, in 2020, its population stood at 103,852.
The county's recorded population has risen across the decades to its highest level in 2020.
On the ground today, 40 documented military engagements have been recorded within the county, among them Gettysburg Campaign — Maj Gen Reynolds Falls at Gettysburg, Gettysburg — Hood's Attack on Union Left (Day 2), Battle of Gettysburg — The Peach Orchard, and 34 places are listed on the National Register of Historic Places.
Population by decade
Source
Population data from the United States decennial census, U.S. Census Bureau (public domain).
Battles & engagements in Adams
Military engagements that took place in Adams, Pennsylvania.
Gettysburg Campaign — Maj Gen Reynolds Falls at Gettysburg
1863
Gettysburg — Hood's Attack on Union Left (Day 2)
1863
Battle of Gettysburg — The Peach Orchard
1863
Gettysburg – Pickett's Charge July 3
1863
Gettysburg: McPherson's Ridge
1863
Gettysburg — Railroad Cut Day 1
1863
Battle of Gettysburg: McPherson's Ridge Jul 1 1863
1863
Gettysburg Campaign Approach — Cashtown Skirmish
1863
Gettysburg — Iverson's Pits (Oak Ridge, July 1, 1863)
1863
Gettysburg — Lutheran Seminary Last Stand (July 1, 1863)
1863
Gettysburg Campaign — Heidlersburg Approach (June 30, 1863)
1863
Gettysburg – Culp's Hill July 2-3
1863
Gettysburg — Brinkerhoff Ridge / Stonewall Brigade (July 2-3, 1863)
1863
Gettysburg — Pickett's Charge — Armistead's Breach
1863
Gettysburg — Gibbon's Division Defense (Pickett's Charge)
1863
Battle of Gettysburg — Cavalry at East Cavalry Field
1863
East Cemetery Hill (Gettysburg Day 2)
1863
Gettysburg Campaign — Gettysburg Approach Skirmish (Biglerville)
1863
Gettysburg – McPherson's Ridge (Day 1)
1863
Gettysburg Artillery Barrage (Pre-Pickett's Charge)
1863
Gettysburg – Devil's Den July 2
1863
Gettysburg – South Cavalry Field July 3
1863
Gettysburg – Seminary Ridge July 1
1863
Battle of Gettysburg — Day 3 / Pickett's Charge
1863
Cavalry Fight at Fairfield — Gettysburg Retreat
1863
Gettysburg — Rose Woods Fighting (Day 2)
1863
Gettysburg — Benner's Hill Artillery (July 2, 1863)
1863
Gettysburg — Ziegler's Grove / North End of Cemetery Ridge (Day 2-3)
1863
Cashtown Pass Cavalry Fight (July 4-5, 1863)
1863
Gettysburg: Culp's Hill Day 3
1863
Gettysburg: East Cavalry Field
1863
Gettysburg — Day 2 — Culp's Hill Evening
1863
Battle of Gettysburg — Little Round Top
1863
Gettysburg — Power's Hill Union Army Reserve (Day 2-3)
1863
Battle of Gettysburg – Barlow's Knoll Jul 1 1863
1863
Gettysburg: Ewell Fails to Attack Cemetery Hill Evening July 1
1863
Gettysburg — Pender's Division Assault Day 1
1863
Abbottstown Skirmish 1863
1863
Battle of Gettysburg – Gettysburg Retreat July 4-14
1863
Hunterstown Cavalry Fight
1863
Historic places in Adams
National Register of Historic Places listings in Adams, Pennsylvania.
Eisenhower National Historic Site
Gettysburg
Gettysburg National Military Park
Gettysburg
Fairfield Inn
Fairfield
Sauck's Covered Bridge
Gettysburg
Gettysburg Armory
Gettysburg
Gettysburg Battlefield Historic District
Gettysburg and vicinity
Lutheran Theological Seminary-Old Dorm
Gettysburg
East Berlin Historic District
East Berlin
Spangler-Benner Farm
Gettysburg
Wirts House
Gettysburg
Fairfield Historic District
Fairfield
Dobbin House
Gettysburg
Cline's Church of the United Brethren in Christ
Menallen
Bridge in Cumberland Township
Greenmount
Pennsylvania Hall, Gettysburg College
Gettysburg
Carbaugh Run Rhyolite Quarry Site (36AD30)
Cashtown
Thomas Brothers Store
Biglerville
Pleasant Grove School
Germantown
Great Conewago Presbyterian Church
Hunterstown
Sheads House
Gettysburg
Conewago Chapel
Hanover
Black Horse Tavern
Gettysburg
Hunterstown Historic District
Hunterstown
Jacks Mountain Covered Bridge
Iron Springs
Other counties in Pennsylvania
Explore census history and historic records for more Pennsylvania counties.
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Everything a full report reveals about Adams County, Pennsylvania
This page charts the census history of Adams County, Pennsylvania. 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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Frequently asked about Adams
When does Adams first appear in the US census?
Adams, Pennsylvania first appears in the federal census in 1800, with a recorded population of 13,172.
What is the population of Adams?
At the most recent federal census (2020), Adams had a recorded population of 103,852.
Were any battles fought in Adams?
40 documented military engagements took place in Adams, including Gettysburg Campaign — Maj Gen Reynolds Falls at Gettysburg, Gettysburg — Hood's Attack on Union Left (Day 2), Battle of Gettysburg — The Peach Orchard.
How many historic places are in Adams?
34 sites are listed on the National Register of Historic Places in Adams, Pennsylvania.
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