an Entity references as follows:
Rocky Hill is a borough in Somerset County, New Jersey, United States, named for the Rocky Hill Ridge. As of the 2010 United States Census, the rural borough's population was 682, reflecting an increase of 20 (+3.0%) from the 662 counted in the 2000 Census. This was a decline of 31 persons (−4.5%) from the 693 counted in the 1990 Census.