Sewickley is a borough in Allegheny County, Pennsylvania, 12 miles (19 km) west northwest of Pittsburgh along the Ohio River. It is a residential suburb of Pittsburgh. The population was 3,827 at the 2010 census. The Sewickley Bridge crosses the Ohio River at Sewickley.
administrative districtboroughborough (pennsylvania)citycity districtdistrictmunicipalitypittsburgh metropolitan areasettlementurban area