in Steven Universe the world is a little jumbled up
Kansas is considered the movie making capital of America, Delmarva is supposed to be a mix up of different East coast cities, Pennsylvania is just "Keystone" but don't worry Jersey is still Jersey
all things considered its just a throw away line to get you to ask questions about the world so you fill in the blank yourself. It doesn't actually add any kind of intrigue into the world
We should call this "throw away world building"
its a nonsense detail that is only added for you to ask about