[saalweachter]

New York spans five counties, which lack county governments, instead having borough governments subordinate to the city government.

Washington, DC is a city which is in neither a state nor a county.

https://en.m.wikipedia.org/wiki/List_of_U.S._municipalities_... has a hundred or so cities that span counties.

[mistrial9]

it turns out, cities are among the least well-defined geographical features in local government of the USA. There are many odd and unusual arrangements at the city level. The US Census maintains a collection of more clearly defined entities.