Connecticut

Hartford

899,498
2020 population
1790
first census record
24
census records

About Hartford

Hartford, Connecticut, first appears in the United States federal census in 1790, when it recorded a population of 38,029. At the most recent census, in 2020, its population stood at 899,498.

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

On the ground today, 8 documented military engagements have been recorded within the county, among them Connecticut Valley Late Woodland Warfare, Connecticut Valley Late Woodland Conflicts, Connecticut River Valley Algonquian Conflict, and 455 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020899,498
2010894,014
2000857,183
1990851,783
1980807,766
1970816,737
1960689,555
1950539,661
1940450,189
1930421,097
1920336,027
1910250,182
1900195,480
1890147,180
1880125,382
1870109,007
186089,962
185069,967
184055,629
183051,131
182047,264
181044,733
180042,147
179038,029
Source

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

Battles & engagements in Hartford

Military engagements that took place in Hartford, Connecticut.

Connecticut Valley Late Woodland Warfare
1200
Connecticut Valley Late Woodland Conflicts
1200
Connecticut River Valley Algonquian Conflict
1300
Connecticut River Valley Warfare
1350
Wethersfield Raid (Pequot War 1637)
1637
King Philip's War – Attack on Simsbury CT 1676
1676
Simsbury Garrison Battle (King Philip's War)
1676
Hartford Convention (Political / Military Context)
1814

Historic places in Hartford

National Register of Historic Places listings in Hartford, Connecticut.

Holmes, Francis H., House
New Britain
Hill-Stead
Farmington
B.P.O. Elks Lodge
Hartford
Holcomb, Nathaniel, III, House
Granby
Wightman, Rev. John, House
Southington
Masonic Temple
New Britain
Hartford Club
Hartford
Gilman-Hayden House
East Hartford
First National Bank Building
Hartford
Cedar Hill Cemetery
Hartford
Ellsworth, Oliver, Homestead
Windsor
Barnard, Henry, House
Hartford
Washington School
New Britain
Old Newgate Prison
East Granby
Old Wethersfield Historic District
Wethersfield
Bushnell Park
Hartford
Mount St. Joseph Academy
West Hartford
Frost, Levi B., House
Southington
Bulkeley Bridge
Hartford
Watkinson Juvenile Asylum and Farm School
Hartford
Darling, Robert and Julia, House
Simsbury
Engine Company 2 Fire Station
Hartford
Webster Memorial Building
Hartford
Twain, Mark, House
Hartford
Browse all Connecticuthistoric sites ›

Other counties in Connecticut

Explore census history and historic records for more Connecticut counties.

WindhamFairfieldLitchfieldMiddlesexNew HavenNew LondonTolland
Unlimited access

Everything a full report reveals about Hartford County, Connecticut

This page charts the census history of Hartford County, Connecticut. 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 Hartford County, Connecticut report
Or see a real report first

Explore Connecticut records

Connecticuthistory ›NRHP historic sites ›Notable people from Connecticut›

Frequently asked about Hartford

When does Hartford first appear in the US census?
Hartford, Connecticut first appears in the federal census in 1790, with a recorded population of 38,029.
What is the population of Hartford?
At the most recent federal census (2020), Hartford had a recorded population of 899,498.
Were any battles fought in Hartford?
8 documented military engagements took place in Hartford, including Connecticut Valley Late Woodland Warfare, Connecticut Valley Late Woodland Conflicts, Connecticut River Valley Algonquian Conflict.
How many historic places are in Hartford?
455 sites are listed on the National Register of Historic Places in Hartford, Connecticut.
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