National Harbor, Maryland
National Harbor | |
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National Harbor in September 2021 | |
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National Harbor Location of National Harbor in Maryland National Harbor National Harbor (the United States) | |
| Coordinates: 38°47′03″N 77°00′59″W / 38.78417°N 77.01639°W | |
| Country | United States |
| State | Maryland |
| County | Prince George's |
| Unincorporated area | Oxon Hill |
| Area | |
• Total | 1.67 sq mi (4.32 km2) |
| • Land | 1.27 sq mi (3.30 km2) |
| • Water | 0.39 sq mi (1.02 km2) |
| Population (2020) | |
• Total | 5,509 |
| • Density | 4,328.6/sq mi (1,671.28/km2) |
| Time zone | UTC−5 (Eastern (EST)) |
| • Summer (DST) | UTC−4 (EDT) |
| ZIP Code | 20745 |
| Area codes | 301, 240 |
| FIPS code | 24-55018 |
| GNIS ID locale/CDP | 2426650/2583665 |
| Website | Official website |
National Harbor is a census-designated place (CDP) 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 (1.2 km2) multi-use waterfront development. The population was 5,509 at the 2020 census.
The developer, Peterson Companies, says National Harbor draws 12 million visitors annually, as of 2025.