If you grew up in the US you'll probably still get clocked as a foreigner, even if you have family from there/are a native speaker. Especially in a small town/more rural area. In a big city if you are fluent you can blend in better.Sí yo hablo español muy bien![]()
but if you just exercise common sense you'll be fine. It's like anywhere, be aware and don't flash wealth/act like a mark and no one will bother you usually