[3] According to the United States Census Bureau, the township has a total area of 4.0 square miles (10 km2), all land.

Scott Township has nine land borders, including the Pittsburgh neighborhood of East Carnegie and Green Tree to the north, the Pittsburgh neighborhood of Banksville to the northeast, Mt.

A short segment of Chartiers Creek separates Scott from Rosslyn Farms to the northwest.

Until 2015, the world's largest pinball tournament, Pinburgh, was held in Scott Township at the PAPA facility.

In 2015, the tournament was moved to the David L. Lawrence Convention Center in downtown Pittsburgh.