Washington is a rural town in Litchfield County, Connecticut, in the New England region of the United States. The population was 3,646 at the 2020 census. Washington is known for its picturesque countryside, historic architecture, and active civic and cultural life. The town has strong ties to New York City, and is home to many cultural and business elites. The town is part of the Northwest Hills Planning Region.

Litchfield County is in northwestern Connecticut, United States. As of the 2020 census, the population was 185,186. The county was named after Lichfield, in England. Litchfield County has the lowest population density of any county in Connecticut and is the state's largest county by area.