Connecticut

Windham

116,418
2020 population
1790
first census record
24
census records

About Windham

Windham, Connecticut, first appears in the United States federal census in 1790, when it recorded a population of 28,921. At the most recent census, in 2020, its population stood at 116,418.

Its recorded population peaked at 118,428 in 2010, and has since declined by roughly 2 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Oneco CT Fight (King Philip's War), and 85 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020116,418
2010118,428
2000109,091
1990102,525
198092,312
197084,515
196068,572
195061,759
194056,223
193054,086
192052,815
191048,361
190046,861
189045,158
188043,856
187038,518
186034,279
185031,081
184028,080
183027,082
182031,684
181028,611
180028,222
179028,921
Source

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

Battles & engagements in Windham

Military engagements that took place in Windham, Connecticut.

Oneco CT Fight (King Philip's War)
1676

Historic places in Windham

National Register of Historic Places listings in Windham, Connecticut.

Israel Putnam School
Putnam
Bowen, Henry C., House
Woodstock
Nichols, George Pickering, House
Thompson
Putnam, Israel, Wolf Den
Pomfret
Huntington, Samuel, Birthplace
Scotland
Chandler, Capt. Seth, House
East Woodstock
Woodstock Hill Historic District
Woodstock
First Congregational Church of Plainfield
Plainfield
Sterling Hill Historic District
Sterling
Cady-Copp House
Putnam
Bush Hill Historic District
Brooklyn
Pomfret Street Historic District
Pomfret
Dayville Historic District
Killingly
Broad Street-Davis Park Historic District
Killingly
Taylor's Corner
Woodstock
Pomfret Town House
Pomfret
Cargill Falls Mill (Wilkinson Mill)
Putnam
Church Farm
Ashford
Ramsdell, Hezekiah S., Farm Site
Thompson
Danielson Main Street Historic District
Killingly
Sumner-Carpenter House
Eastford
Wylie School
Voluntown
Plainfield Woolen Company Mill
Plainfield
Aldrich Free Public Library
Plainfield
Browse all Connecticuthistoric sites ›

Other counties in Connecticut

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Everything a full report reveals about Windham County, Connecticut

This page charts the census history of Windham 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.
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Frequently asked about Windham

When does Windham first appear in the US census?
Windham, Connecticut first appears in the federal census in 1790, with a recorded population of 28,921.
What is the population of Windham?
At the most recent federal census (2020), Windham had a recorded population of 116,418.
When did Windham's population peak?
Windham's recorded population peaked at 118,428 in 2010.
Were any battles fought in Windham?
1 documented military engagement took place in Windham, including Oneco CT Fight (King Philip's War).
How many historic places are in Windham?
85 sites are listed on the National Register of Historic Places in Windham, Connecticut.
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