Morganville is an unincorporated community and census-designated place (CDP) within Marlboro Township, in Monmouth County, New Jersey. As of the 2010 United States Census, the CDP's population was 5,040.

Marlboro Township is a township in Monmouth County, in the U.S. state of New Jersey. The township is located within the Raritan Valley region and is a part of the New York Metropolitan Area. As of the 2020 United States census, the township's population was 41,502, an increase of 1,311 (+3.3%) from the 2010 census count of 40,191, which in turn reflected an increase of 5,449 (+16.3%) from the 33,423 counted in the 2000 census.