ATLAS · NATIONAL CAPITALS · UNITED STATES
Capital of United States
The capital of United States is Washington, D.C.. The largest, Washington, D.C., has around 689,545 residents in the city proper — a mid-size capital. From Wikidata, snapshot 2026-06-23.
CAPITALWashington, D.C.
POPULATION689,545
NUMBER OF CAPITALS1
The capital
Washington, D.C.689,545 people
In context
Where Washington, D.C.sits on the world’s scale of capital sizes — from the micro-capitals of a few hundred to the mega-capitals of over ten million.
10M+
5–10M
1–5M
250k–1MWashington, D.C. is here
50–250k
<50k
Capitals of other countries
China · Bangladesh · Democratic Republic of the Congo · Japan · Russia · Indonesia · Peru · Egypt