What is the Capital of United States?
Facts last checked 9 October 2026.
The capital city of United States is Washington, D.C.. United States is located in North America, North America, with a population of 340,110,988. The official currency is the United States dollar and the primary language spoken is English.
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Washington, D.C. at a glance
| Capital city | Washington, D.C. |
|---|---|
| Country | United States (United States of America) |
| Region | North America, North America |
| Largest city | New York City |
| Country population | 340,110,988 (3rd largest on this site) |
| Standard time | UTC-05:00 |
| Currency | United States dollar (USD) |
| Calling code | +1 |
| Emergency number | 911 |
| Driving side | Right |
Capitals of countries bordering United States
- Ottawa, capital of Canada
- Mexico City, capital of Mexico
United States in context
- United States covers 9,525,067 km², making it the 4th largest of the 196 countries on this site.
- Its population density of about 36 people per km² ranks 147th of 196 (1st = most crowded).
- It shares a land border with 2 countries: Canada, Mexico.
- With 340,110,988 people, United States holds about 66.4% of the population of North America.
- Traffic drives on the right, and calendars start the week on Sunday.
- United States is a member state of the United Nations.
Compare United States
- United States vs Canada
- United States vs United Kingdom
- United States vs Mexico
- United States vs China
- United States vs Russia
- United States vs Australia
Capital of United States — FAQ
What is the capital of United States?
The capital of United States is Washington, D.C..
Is Washington, D.C. the largest city in United States?
No — while Washington, D.C. is the capital, the largest city in United States is New York City.
What country is Washington, D.C. in?
Washington, D.C. is the capital city of United States.
What continent is Washington, D.C. in?
Washington, D.C., the capital of United States, is located in North America.
Is Washington, D.C. the capital of United States?
Yes — Washington, D.C. is the capital of United States (official name: United States of America).
Washington, D.C. is the capital of which country?
Washington, D.C. is the capital of United States, in North America.
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