Sewickley Hills is a borough in Allegheny County, Pennsylvania, United States.
[4] According to the United States Census Bureau, the borough has a total area of 2.5 square miles (6.5 km2), all land.
Sewickley Hills has five borders, including Bell Acres to the north, Franklin Park to the northeast, Ohio Township to the east, Aleppo Township to the south, and Sewickley Heights to the west.
There were 231 housing units at an average density of 92.8 per square mile (35.8/km2).
Sewickley Hills is served by the Quaker Valley School District.