Geography of Upper Darby, Pennsylvania
Upper Darby Township, established in 1786, is located in Delaware County, Pennsylvania, directly bordering the western edge of Philadelphia. Covering an area of approximately 7.9 square miles (20.4 km²), the township is characterized by a gently rolling landscape that slopes southeastward toward the Delaware River. The elevation ranges from 60 to 260 feet (18–79 meters) above sea level, indicative of its position on the Piedmont plateau, which is part of the eastern foothills of the Appalachian Mountains.
The township is traversed by several small creeks, notably Cobbs Creek and Darby Creek, which define portions of its eastern and western boundaries, respectively. These waterways have historically influenced the development and layout of the community. Upper Darby comprises numerous neighborhoods, including Aronimink, Beverly Hills, Bywood, Drexel Hill, Fernwood, Highland Park, Kirklyn, Oakview, Primos, Secane, Stonehurst, and Westbrook Park. Each neighborhood contributes to the township's rich cultural and architectural tapestry. The township's strategic location adjacent to Philadelphia has fostered a diverse community and facilitated convenient access to urban amenities while maintaining a distinct suburban identity.
Population of Upper Darby, PA
As of July 1, 2023, Upper Darby Township in Delaware County, Pennsylvania, had an estimated population of 84,893, reflecting a slight decrease of approximately 0.9% from the 2020 census figure of 85,681. Despite this modest decline, Upper Darby remains the largest municipality in Delaware County and the sixth-most populous in Pennsylvania, following cities like Philadelphia and Pittsburgh.
The township's demographic composition is notably diverse. According to recent estimates, the racial makeup includes approximately 41.7% White (non-Hispanic), 34.1% Black or African American, 11.8% Asian, 6.4% identifying as two or more races, and 9.6% Hispanic or Latino of any race. This diversity has earned Upper Darby the motto "The World in One Place," reflecting its rich cultural tapestry.