It is Washington DC.
Iqaluit is the capital of the Canadian territory of Nunavut. Iqaluit's population was 7,740 in the 2016 census.
Washington DC. is the US capital.
Oklahoma City is the capital of the US State of Oklahoma.
The first US capital was Philadelphia. This would be the oldest capital of the US.
Washington DC is the capital city of the US, it does not have a capital city.
Washington, D.C. is the capital city of the 50 US states.
Philadelphia was the capital city of the US during most of the Revolutionary War.
The 1st capital of the US was New York City.
The first US capital was Philadelphia. This would be the oldest capital of the US.
Washington, the capital city of the US was named for George Washington, the first US President.
Lansing is the capital city of Michigan. New York City, the largest city in the U.S., is not a capital city.
Nashville is the capital city and the most populous city in Tennessee. The U.S. Census Bureau estimates that as of July 1, 2016 the population is 660,388 in Nashville.