out-of-stater

[ out-uh v-stey-ter ]
/ ˈaʊt əvˈsteɪ tər /

noun

a visitor from another state of the U.S.: Many out-of-staters come to our summer music festival.

Origin of out-of-stater

An Americanism dating back to 1935–40; out-of-state + -er1