Wallingford is an unincorporated community in Nether Providence Township, Delaware County in Pennsylvania, USA. Founded in 1687, it is named for Wallingford, England. In 2007, Wallingford was named by Money Magazine as the 9th best place to live in the United States; two other towns in the area made the top 15.
It is west of Interstate 476 (known locally as the "Blue Route") and east of S. Providence Road, PA 252. Crum Creek forms the township's eastern border with Swarthmore Borough. Wallingford lies north of Chester on the southwest edge of the Philadelphia urban area. Wallingford is about 9 miles from Philadelphia proper.
About half a dozen churches and chapels of several denominations are located in Wallingford, including Wallingford Presbyterian Church, St. John Chrysostom Catholic Church on Providence Road and the Foundry Church, near Media Parkway. Wallingford is also home to Congregation Ohev Shalom, a conservative synagogue located at the corner of Rt. 252 and Rt. 320.
Wallingford is located along SEPTA's Media/Elwyn Line, and has a station whose design is attributed to the well-known Victorian architect Frank Furness. Wallingford is 30 minutes from downtown Philadelphia by rail. Effective July 1, 2010, the fares are $4.75 off peak ($9.50 roundtrip) and $5.50 peak ($10.75 roundtrip).
The township's municipal offices are located at 214 Sykes Lane.