High Quality Content by WIKIPEDIA articles! White Horse is a census-designated place and unincorporated area located within Hamilton Township, in Mercer County, New Jersey. As of the United States 2000 Census, the CDP population was 9,373. As of the census of 2000, there were 9,373 people, 3,722 households, and 2,687 families residing in the CDP. The population density was 1,134.5/km2 (2,941.8/mi2). There were 3,818 housing units at an average density of 462.1/km2 (1,198.3/mi2). The racial makeup... Mehr