Orange Park Florida is located in Clay County, 20 miles south of Downtown Jacksonville and about a mile south of the Jacksonville Naval Air Station. It is bordered on the east by the St. Johns River. Orange Park includes the Town of Orange Park and parts of unincorporated Clay County and covers zip codes 32073 and 32065. The Town is 5.6 square miles, which includes 1.6 square miles of water. Fleming Island (32003),over the Doctor's Lake bridge, was considered part of Orange Park until 2008. Orange Park was one of four Florida towns named in Sperling's top 100 Best Places (6 comments)