There isn't an "only city", unless you're referring to the continental U.S.
In the continental U.S, the only city not within a state is the capital, the District of Columbia (Washington, D.C.).
However, Puerto Rico, Guam, the Virgin Islands, American Samoa, and other U.S territories have cities that would fit your description.
Maine
It is both a city and a county within the US State of Pennsylvania.
they olny care about themsleves they olny care about themsleves they olny care about themsleves
Oklahoma City is the capital of the US State of Oklahoma.
canda
There are no cities in the US that are a state. There is one city that isn't IN any state, and that is Washington D.C.
NO
The only city in the US that is not in a state is Washington, D.C.
Yuma, Arizona is the driest city in the US.
No, Miami is a City within the US State of Florida.
uhh, no city is a state. this question makes no sense.
uhh, no city is a state. this question makes no sense.