Danielson is a borough in the town of Killingly in Windham County, Connecticut, United States. The population was 4,155 at the 2020 census.
Looking down Main St.
Railroad Square, c. 1918
Killingly is a town in Windham County, Connecticut, United States. Killingly is the largest town by population in the Northeastern Connecticut Planning Region. The population was 17,752 at the 2020 census. It consists of the borough of Danielson and the villages of Attawaugan, Ballouville, Dayville, East Killingly, Rogers, and South Killingly.
Killingly Town Hall
Davis Park
Main St. in Danielson, Connecticut