Blackwood is an unincorporated community and census-designated place located within Gloucester Township, in Camden County, in the U.S. state of New Jersey. As of the 2010 United States census, Blackwood's population was 4,545. It is located 10 miles from the city of Camden and 14.6 miles away from Philadelphia in the South Jersey region of the state. Blackwood is the home of the main campus of Camden County College.