Upper Darby

Upper Darby Township, often shortened to Upper Darby, is a home rule township in Delaware County, Pennsylvania.

As of the 2020 census, the township had a total population of 85,681, making it the state's sixth most populated city or borough after Philadelphia, Pittsburgh, Allentown, Reading, and Erie. Upper Darby is 65% residential, 25% commercial, and 8% other. The township borders Philadelphia, the nation's sixth most populous city, with 1.6 million residents, and it is part of the Delaware Valley metropolitan area, the nation's seventh-largest metropolitan area, with 6.228 million people in the core metropolitan statistical area and 7.366 million in the combined statistical area as of 2020.

Upper Darby is home to the Tower Theater, a historic music venue on 69th Street built in the 1920s, and to several Underground Railroad sites.