Deerfield (also known as Deerfield Street) is an unincorporated community and census-designated place within Upper Deerfield Township, Cumberland County, New Jersey, United States. It was first listed as a CDP in the 2020 census with a population of 230. Deerfield is located on New Jersey Route 77, north of Bridgeton. Deerfield has a post office with ZIP code 08313; the post office uses the Deerfield Street name. Demographics References Upper Deerfield Township, New Jersey Unincorporated communities in Cumberland County, New Jersey Unincorporated communities in New Jersey Census-designated places in Cumberland County, New Jersey Census-designated places in New Jersey