Oak Valley is an unincorporated community and census-designated place located within Deptford Township in Gloucester County, in the U.S. state of New Jersey. As of the 2010 U.S. census, Oak Valley's population was 3,483. Oak Valley and neighboring Pine Acres are located east of Route 45, isolated from the rest of Deptford Township, requiring residents to drive through the neighboring communities of Woodbury Heights or Wenonah to reach other destinations in the township.