They came to Pittsburgh
WSJ has a piece datelined Saint Louis, but much about Pittsburgh: Rust Belt Reached for Immigrant Tide. (use the Google trick if you are thwarted by the paywall) Note they are talking about city only stats in places.
Mostly repeating myself, as we have gone into this over and over again..... but for the record it is likely to be a very different immigrant tide compared to who has ever come to Pittsburgh in the past. Not too long our friend the late Clarke Thomas wrote books like this on the immigrants of Pittsburgh.