Sewickley Heights is a borough in Allegheny County, Pennsylvania, United States. The population was 857 at the 2020 census. It is a residential suburb of the Pittsburgh metropolitan area. Sewickley Heights is one of the wealthiest municipalities in Pennsylvania and in the United States.

Bell Acres is a borough in Allegheny County, Pennsylvania, United States, part of the Pittsburgh Metro Area. The population was 1,505 at the 2020 census.