Newington is a town in Hartford County, Connecticut, United States. The town is part of the Capitol Planning Region. Located 8 miles south of downtown Hartford, Newington is an older, mainly residential suburb located in Greater Hartford. As of 2023, the population is 30,527. The Connecticut Department of Transportation has its headquarters in Newington. Newington is home to Mill Pond Falls, near the center of town. It is celebrated each fall during the Waterfall Festival.