Flag of United States

Capital city · North America

Washington, DC

Capital of United States

cityhistoryculture

Why visit

Washington, DC is the Smithsonian's 17 free museums, the Mall's monuments, Capitol Hill, and the White House. Walk the Mall once end-to-end to see what you want to return to.

Washington, DC at a glance

City population

670k

Metro: 6.4 million

Elevation

125 m

410 ft

Time zone

UTC-5 (UTC-4 DST)

America/New_York

Airport

DCA

Reagan National (also IAD, BWI)

Founded

1790

Getting around

Metro (6 lines), buses, Capital Bikeshare

Signature dish

Half-smoke, blue crab, Ethiopian injera (U Street corridor)

Neighborhoods for travelers

National MallGeorgetownDupont CircleU StreetCapitol Hill

United States at a glance

Country center

38.0°, -97.0°

Coast

Has coastline

Country area

9,372,610 km²

3,618,783 mi²

Country population

334.9 million

36/km²

Subregion

North America

Currency

United States dollar ($)

USD

Dial

+1201

Language

English

Demonym

American

Internet

.us

UN

Member state

ISO code

US / USA

Where in the world

38.0° · -97.0°

United States Open in Google Maps ↗

Click the map to open in Google Maps. Outline via svg-maps/world · CC BY 4.0

Did you know

Bordering United States

Traveler notes

Plan checks

Explore more

Frequently asked about Washington, DC

What currency is used in Washington, DC?

Washington, DC uses the United States dollar ($), ISO code USD.

What languages are spoken in United States?

The primary language is English.

What is the international calling code for United States?

The calling code is +1201.

What airport serves Washington, DC?

Reagan National (also IAD, BWI) (IATA: DCA).

Other North America destinations