Windham County, Connecticut

Windham County
Windham Town Hall, a former county courthouse
Location within the U.S. state of Connecticut
Connecticut's location within the U.S.
Coordinates: 41°50′N 71°59′W / 41.83°N 71.99°W / 41.83; -71.99
Country United States
State Connecticut
FoundedMay 12, 1726
Named afterWindham, England
Seatnone (1960-present)

Willimantic (1893–1960)

Windham Center (1726–1893)
Largest townWindham
Area
  Total
521 sq mi (1,350 km2)
  Land513 sq mi (1,330 km2)
  Water8.5 sq mi (22 km2)  1.6%
Population
 (2020)
  Total
116,418
  Density223.5/sq mi (86.3/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Area code860 and 959
Congressional district2nd

Windham County (/ˈwɪndəm/ WIN-dəm) is one of the eight counties in the U.S. state of Connecticut, located in its northeastern corner. As of the 2020 census, the population was 116,418, making it the least populous county in Connecticut. It forms the core of the region known as the Quiet Corner. Windham County is included in the Worcester, MA-CT Metropolitan Statistical Area, which is also included in the Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area. The entire county is within the Quinebaug and Shetucket Rivers Valley National Heritage Corridor, as designated by the National Park Service.