National Harbor Maryland

National Harbor is a census-designated place in Prince George's County, Maryland, United States, located along the Potomac River near the Woodrow Wilson Bridge and just south of Washington, D.C. It originated as a 300-acre multi-use waterfront development. Per the 2020 census, the population was 5,509.
  • Country: United States
  • State: Maryland
  • County: Prince George's
  • Unincorporated area: Oxon Hill
  • ZIP Code: 20745
  • Area code(s): 301, 240
  • FIPS code: 24-55018
Data from: en.wikipedia.org