Roxbury is a town in Litchfield County, Connecticut, United States. The population was 2,260 at the 2020 census. The town is located 65 miles (105 km) northeast of New York City, and 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.