Seabrook Farms is an unincorporated community and census designated place (CDP) located within Seabrook, New Jersey, which is in turn located in Upper Deerfield Township, in Cumberland County, New Jersey, United States. It is part of the Vineland-Millville- Bridgeton Primary Metropolitan Statistical Area for statistical purposes. As of the 2010 United States Census, Seabrook Farms's population was 1,484. Seabrook Farms is named after Charles F.