Maryland

Harford

260,924
2020 population
1790
first census record
24
census records

About Harford

Harford, Maryland, first appears in the United States federal census in 1790, when it recorded a population of 14,976. At the most recent census, in 2020, its population stood at 260,924.

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 Claiborne-Calvert Skirmish at Palmer's Island 1631, Raid on Havre de Grace, Burning of Havre de Grace MD, and 80 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020260,924
2010244,826
2000218,590
1990182,132
1980145,930
1970115,378
196076,722
195051,782
194035,060
193031,603
192029,291
191027,965
190028,269
189028,993
188028,042
187022,605
186023,415
185019,356
184017,120
183016,319
182015,924
181021,258
180017,626
179014,976
Source

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

Battles & engagements in Harford

Military engagements that took place in Harford, Maryland.

Claiborne-Calvert Skirmish at Palmer's Island 1631
1631
Raid on Havre de Grace
1813
Burning of Havre de Grace MD
1813

Historic places in Harford

National Register of Historic Places listings in Harford, Maryland.

Webster's Forest
Churchville
Woodside
Abingdon
Ivory Mills
White Hall
Mill Green Historic District
Street
Jerusalem Mill Village
Jerusalem
McComas Institute
Joppa
Thomas Run Church
Bel Air
Chestnut Ridge
Aberdeen
Darlington Historic District
Darlington
Deer Creek Friends Meetinghouse
Darlington
Rigbie House
Berkley
Broad Creek Soapstone Quarries
Whiteford
Broom's Bloom
Bel Air
Churchville Presbyterian Church
Churchville
Southern Terminal, Susquehanna and Tidewater Canal
Havre de Grace
Tudor Hall
Bel Air
Medical Hall Historic District
Churchville
Tudor Hall (Boundary Decrease)
Bel Air
Harford National Bank
Bel Air
Liriodendron
Bel Air
Odd Fellows Lodge
Bel Air
Presbury Meetinghouse
Aberdeen Proving Ground
Hidden Valley Farm
Baldwin
Husband Flint Mill Site
Kalmia
Browse all Marylandhistoric sites ›

Other counties in Maryland

Explore census history and historic records for more Maryland counties.

CalvertCarolineCarrollCecilCharlesDorchesterFrederickGarrettHowardKentMontgomeryPrince George'sQueen Anne'sSomersetSt. Mary'sTalbotWashingtonWicomicoWorcesterAllegany
Unlimited access

Everything a full report reveals about Harford County, Maryland

This page charts the census history of Harford County, Maryland. 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.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Harford County, Maryland report
Or see a real report first

Explore Maryland records

Marylandhistory ›NRHP historic sites ›Notable people from Maryland

Frequently asked about Harford

When does Harford first appear in the US census?
Harford, Maryland first appears in the federal census in 1790, with a recorded population of 14,976.
What is the population of Harford?
At the most recent federal census (2020), Harford had a recorded population of 260,924.
Were any battles fought in Harford?
3 documented military engagements took place in Harford, including Claiborne-Calvert Skirmish at Palmer's Island 1631, Raid on Havre de Grace, Burning of Havre de Grace MD.
How many historic places are in Harford?
80 sites are listed on the National Register of Historic Places in Harford, Maryland.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report