Somerset is an unincorporated community and census-designated place (CDP) located within Franklin Township, in Somerset County, in the U.S. state of New Jersey. As of the 2010 United States Census, the CDP's population was 22,083.

Franklin Township is a township in Somerset County, in the U.S. state of New Jersey. It is centrally located in the Raritan Valley region, within the New York Metropolitan Area. As of the 2020 United States census, the township's population was 68,364, an increase of 6,064 (+9.7%) from the 2010 census count of 62,300, which in turn reflected an increase of 11,397 (+22.4%) from the 50,903 counted in the 2000 census. The township was the state's 19th most-populous municipality in 2020, after being ranked 22nd in 2010.