East Killingly is a small town of Windham County and it has an area of about 50 sq. miles. East Killingly has some Historical Places listed in the National Register like Broad Street – Davis Park Historic District, the historic district of Dayville and High School of Old Killingly. Tourism and small business related activities are part of the town. Residents are also engaged with the education sector. A few famous people are Charles Tiffany and W.T. Harris.