What are the smallest cities in US by population?

Here are some of the smallest cities by population in the United States:

Buchanan, North Dakota - Population 22.

Monowi, Nebraska - Population 1.

Cove, Oregon - Population 15.

Karnak, Illinois - Population 10.

Wharton, West Virginia - Population 125.

Gibbon, Nebraska - Population 133.

Teller, Alaska - Population 50.

Lowell, Vermont - Population 88.

Tropic, Utah - Population 380.

Long Creek, Oregon - Population 170.