Rocky Hill is a borough in Somerset County, New Jersey, United States, named for the Rocky Hill Ridge. Before roads were improved and people traveled by automobiles, it was known as the Devil’s Featherbed because it was difficult to travel the rocky terrain by horse and wagon.
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.
Rocky Hill was incorporated as a borough by an act of the New Jersey Legislature on December 18, 1889, from portions of Montgomery Township, based on the results of a referendum held four days earlier.
As of the 2010 United States Census, there were 682 people, 280 households, and 189.000 families residing in the borough. The population density was 1,101.4 per square mile (425.3/km2). There were 292 housing units at an average density of 471.6 per square mile (182.1/km2). The racial makeup of the borough was 91.64% (625) White, 1.47% (10) Black or African American, 0.00% (0) Native American, 2.35% (16) Asian, 0.00% (0) Pacific Islander, 1.47% (10) from other races, and 3.08% (21) from two or more races. Hispanic or Latino of any race were 4.84% (33) of the population.
Source: Wikipedia
