Pennsylvania

Northampton

312,951

2020 population

1790

first census record

census records

About Northampton

Northampton, Pennsylvania, first appears in the United States federal census in 1790, when it recorded a population of 24,250. At the most recent census, in 2020, its population stood at 312,951.

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

On the ground today, 3 documented military engagements have been recorded within the county, among them Massacre at Gnadenhutten (Moravian, 1755), Fries Rebellion — Standoff at Bethlehem (March 1799), Bethlehem Standoff (Fries Rebellion), and 63 places are listed on the National Register of Historic Places.

Population by decade

Census Year	Population	Chart
2020	312,951
2010	297,735
2000	267,066
1990	247,105
1980	225,418
1970	214,368
1960	201,412
1950	185,243
1940	168,959
1930	169,304
1920	153,506
1910	127,667
1900	99,687
1890	84,220
1880	70,312
1870	61,432
1860	47,904
1850	40,235
1840	40,996
1830	39,482
1820	31,765
1810	38,145
1800	30,062
1790	24,250

Source

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

Battles & engagements in Northampton

Military engagements that took place in Northampton, Pennsylvania.

Massacre at Gnadenhutten (Moravian, 1755)

1755

Fries Rebellion — Standoff at Bethlehem (March 1799)

1799

Bethlehem Standoff (Fries Rebellion)

1799

Historic places in Northampton

National Register of Historic Places listings in Northampton, Pennsylvania.

Illick's Mill

Bethlehem

Jacobsburg Historic District

Nazareth

Central Bethlehem Historic District

Bethlehem

Central Bethlehem Historic District (Boundary Increase)

Arndt, Jacob, House and Barn

Williams Township

Heller, William Jacob, House

Easton

Easton Historic District

Mixsell, Jacob, House

Easton

Pembroke Village Historic District

Bethlehem

Whitefield House and Gray Cottage

Nazareth

Bethlehem Silk Mill

Bethlehem

Coffeetown Grist Mill

Easton

Gemeinhaus-Lewis David De Schweinitz Residence

Bethlehem

Zeta Psi Fraternity House

Easton

Historic Moravian Bethlehem Historic District

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Other counties in Pennsylvania

Explore census history and historic records for more Pennsylvania counties.

Blair Bradford Bucks Butler Cambria Cameron Carbon Centre Chester Clarion Clearfield Clinton Columbia Crawford Cumberland Dauphin Delaware Elk Erie Fayette

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Everything a full report reveals about Northampton County, Pennsylvania

This page charts the census history of Northampton 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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Frequently asked about Northampton

When does Northampton first appear in the US census?

Northampton, Pennsylvania first appears in the federal census in 1790, with a recorded population of 24,250.

What is the population of Northampton?

At the most recent federal census (2020), Northampton had a recorded population of 312,951.

Were any battles fought in Northampton?

3 documented military engagements took place in Northampton, including Massacre at Gnadenhutten (Moravian, 1755), Fries Rebellion — Standoff at Bethlehem (March 1799), Bethlehem Standoff (Fries Rebellion).

How many historic places are in Northampton?

63 sites are listed on the National Register of Historic Places in Northampton, Pennsylvania.

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