It would be too awkward to call us United Statesians!

I know Americans who call themselves "You-Essers,"

I vaguely recall a politician "down south" (Venezuela?) some years back calling us "Yoozers" (US-ers), but I don't think the term caught on. His intended implication (users) was quite clear, and might be more accurate than we'd like it to be, but ...

John