Welcome to the Borough of Sewickley, located in Allegheny County, Pennsylvania, approximately 11 miles northwest of Pittsburgh.

Sewickley is an Indian word for "Sweet Water" and has a history that dates back to the mid 1700's, with the first written mention of Sewickley dated December 31, 1767.

The Borough was incorporated in 1853 and has a population or 3,902 according to the 2000 Census.

Sewickley is one square mile with a vibrant business district, the Sewickley Valley Hospital, Sewickley YMCA, Sewickley Public Library, Sewickley Community Center, Sweetwater Center for the Arts, and numerous churches.

Sewickley has a wonderful historical significance in its housing with a mixture of mansions, Victorian houses and family homes.