Wiktionary
n. A person from a rural area who is visiting a town (or city)
Usage examples of "out-of-towner".
It was said that the emergency rooms and walk-in clinics of the Queen City were frequently jammed by periodic influxes of out-of-towners who had unwisely attempted to eat beignets and talk at the same time, almost choking to death in the process.
Farther north in the Square, things were ritzier, around the TKTS discount ticket booth, where one could see the huge billboards that any out-of-towner who watched television would recognize.
If a local politician had wandered in here, he would have convinced himself they were all out-of-towners, probably from Syracuse.
The other two were reserved for out-of-towners, truckers, and anyone else pulling off the highway for a caffeine-and-sugar jolt.
So, until he could find something a little more valuable, Franco was reduced to hooking his girls up with out-of-towners and doing other odd little jobs on the side.
Such treasures are rare in New York, and out-of-towners seldom get a crack at one.
This, in fact, was one of the reasons why she was so popular with the locals and why out-of-towners were steered there for services.