Rocky Hill is a town in Hartford County, Connecticut, United States. The population was 20,845 at the 2020 census. It was originally land of the Wangunks (a tribe of Native Americans). Europeans began to settle the area of Rocky Hill in 1650, as part of Wethersfield, the neighboring town to the north. In 1722, the area became known as Stepney Parish, until it was independently incorporated in 1843. Rocky Hill’s location on the Connecticut River made it a natural port for Wethersfield and an early center for shipbuilding, agricultural, and trade. 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. Geography According to the United States Census Bureau, the town has a total area of . is land and (2.78%) is water. Bordering Rocky Hill to the north is Wethersfield, with Newington to the northwest, Berlin to the southwest, and Cromwell to the south. The Connecticut River forms the eastern border. Interstate 91 runs through the town with exits at the two main local highways, Route 3 at exit 23 and Route 99 at exit 24. Route 3 travels from Cromwell through Rocky Hill into Wethersfield, eventually crossing the Connecticut River into Glastonbury. The north-south Route 99 parallels the Connecticut River for the length of town. The town of Rocky Hill is named after the ridge along the Connecticut River in the northeast section that is now Rocky Hill River Park. Demographics As of the 2000 Census, Rocky Hill had a population of 17,966 in 7,557 households, with 4,519 families residing in the town. The population density was . There were 7,962 housing units at an average density of . The racial makeup of the town was 90.20% White, 3.42% African American, 0.11% Native American, 3.97% Asian, 0.03% Pacific Islander, 1.01% from other races, and 1.27% from two or more races. Hispanic or Latino people of any race were 3.20% of the population. There were 7,557 households, out of which 24.9% had children under the age of 18 living with them, 48.9% were married couples living together, 7.9% had a female householder with no husband present, and 40.2% were non-families. Of all households