Somerset is a census-designated place and unincorporated area located at the easternmost section within Franklin Township, in Somerset County, New Jersey. As of the 2000 United States Census, the CDP population was 23,040. Somerset housed one of the first Marconi Wireless Stations in the United States.
As of the census of 2000, there were 23,040 people, 8,238 households, and 5,799 families residing in the CDP. The population density was 4,322.7 people per square mile (1,669.0/km2). There were 8,424 housing units at an average density of 1,580.5/sq mi (610.2/km2). The racial makeup of the CDP was 43.94% White, 38.55% African American, 0.26% Native American, 8.23% Asian, 0.05% Pacific Islander, 6.04% from other races, and 2.94% from two or more races. Hispanic or Latino of any race were 12.00% of the population.
There were 8,238 households out of which 31.2% had children under the age of 18 living with them, 52.6% were married couples living together, 12.9% had a female householder with no husband present, and 29.6% were non-families. 22.8% of all households were made up of individuals and 6.8% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.29.