Rocky Hill is located in New Jersey. Rocky Hill, New Jersey has a population of 694. Rocky Hill is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 32%.
The median household income in Rocky Hill, New Jersey is $117,788. The median household income for the surrounding county is $116,620 compared to the national median of $66,222. The median age of people living in Rocky Hill is 47.7 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 21.5 degrees. The annual precipitation is 48.25.