Rocky Hill is a town in Hartford County, Connecticut, United States. The population was 19,709 at the 2010 census. Rocky Hill was part of Wethersfield, the neighboring town to the north, until it was independently incorporated in 1843.
Rocky Hill is a typical bedroom community as many residents commute to work in the larger urban centers of Hartford to the north and New Haven to the south.
Rocky Hill is the home to the Dinosaur State Park. Rocky Hill also was once the headquarters of Ames Department Stores, which ceased business operations in 2002.