Tredyffrin Township, Pennsylvania

Tredyffrin Township
Township
The Anthony Wayne statue in Valley Forge
Location of Tredyffrin Township in Chester County and of Chester County in Pennsylvania
in the United States]] Location of [Pennsylvania[]] in the United States
Coordinates: 40°03′48″N 75°22′14″W / 40.06333°N 75.37056°W / 40.06333; -75.37056
Country	United States
State	Pennsylvania
County	Chester
Founded	1707
Area [1]
• Total	19.85 sq mi (51.41 km2)
• Land	19.77 sq mi (51.19 km2)
• Water	0.09 sq mi (0.22 km2)
Elevation	397 ft (121 m)
Population  (2010)
• Total	29,332
• Estimate  (2016)[2]	29,423
• Density	1,488.57/sq mi (574.75/km2)
Time zone	UTC-5 (EST)
• Summer (DST)	UTC-4 (EDT)
Area code(s)	610
FIPS code	42-029-77344
Website	www.tredyffrin.org

Tredyffrin Township ( /trɪˈdɪfrɪn/ Welsh: [trɛˈdɘfrɪn]) is a township located in eastern Chester County, Pennsylvania, United States. The population was 29,332 at the 2010 census.

Settled in the late 17th century, Tredyffrin is bounded by Delaware and Montgomery counties. It includes on its northern boundary a small part of Valley Forge National Historical Park, where George Washington encamped during the American War of Independence. Tredyffrin and the entire Great Valley region also have many limestone deposits. Tredyffrin is the most populous township in Chester County.

Unincorporated communities within Tredyffrin Township include Chesterbrook, Strafford, a portion of Paoli, and a portion of Wayne, Howellville at the intersection of Swedesford and Howellville Roads, and East Howellville, along Howellville Road, west of the intersection of Howellville Road and the border between Tredyffrin and Easttown Townships. Tredyffrin is bordered by Easttown, East Whiteland, Willistown, Charlestown, Upper Merion, Radnor and Schuylkill townships.