McKees Rocks, Pennsylvania

McKees Rocks, also known as "The Rocks", is a borough in Allegheny County, Pennsylvania, United States. It lies along the south bank of the Ohio River and is part of the Pittsburgh metropolitan area. The population was 5,920 at the 2020 census.

In the past, the city was known for its extensive iron and steel interests. There were large railroad machine shops and manufacturers of locomotives, freight and passenger cars. Other factories produced springs, enamel ware, lumber, wall materials, plaster, nuts and bolts, malleable castings, chains and forgings, tin ware, concrete, and cigars.

The Pittsburgh, Allegheny and McKees Rocks Railroad was, and the Pittsburgh and Ohio Central Railroad is, located in an area along the river known as the "Bottoms". The McKees Rocks Bridge, which carries traffic between McKees Rocks and Pittsburgh, is the longest bridge in Allegheny County, at 7,293 feet (2,223 m). McKees Rocks had one of the largest Indian mounds in the state, built by the Adena and Hopewell peoples a thousand years before Europeans entered the area.

The borough is within the Sto-Rox School District, which serves McKees Rocks and neighboring Stowe Township. The local high school is Sto-Rox High School.