Where is Tredyffrin, Pennsylvania, USA?

Written and Fact-checked by | Updated On: March 21, 2026, 14:20 ET

Where is Tredyffrin, Pennsylvania Located in the United States? Tredyffrin is a city located in the Chester County of Pennsylvania, United States. Tredyffrin lies between 40.0668 Degrees North latitudes and -75.4841 Degrees West longitudes.

Location Map of Tredyffrin in Chester County, Pennsylvania

Where is Tredyffrin, Pennsylvania

About Map: The map shows the location of Tredyffrin in the state of Pennsylvania, United States. Tredyffrin is a city in Chester County, Pennsylvania.

Tredyffrin Map, Pennsylvania, USA

About Tredyffrin Map: This interactive Google Map shows the exact location of Tredyffrin in Pennsylvania, United States. You can zoom in or out, switch to satellite view, and explore nearby cities, roads, and local landmarks around Tredyffrin.

About Tredyffrin, Chester County, Pennsylvania

Tredyffrin is a township located in Chester County in the U.S. state of Pennsylvania, United States. Situated in southeastern Pennsylvania just west of Philadelphia, the township is part of the Philadelphia metropolitan area and serves as a residential and commercial community within Chester County. Tredyffrin was established in 1707 and its name is derived from Welsh words meaning “town in the valley.” The township has developed into a prominent suburban area known for its business centers, historic sites, and quality of life.

Population

According to the United States Census Bureau, the population of Tredyffrin is 30,058 as recorded in the 2020 Census, and the population density is approximately 1,600 people per square mile.

Area and Geography

According to the United States Census Bureau, Tredyffrin covers a total area of approximately 19.9 square miles (about 51.54 square kilometers), including about 19.7 square miles (51.02 square kilometers) of land and about 0.2 square miles (0.52 square kilometers) of water.

Location and Surroundings

Tredyffrin is located in southeastern Pennsylvania within Chester County, approximately 20 miles west of Philadelphia. The surrounding region features suburban neighborhoods, corporate offices, and nearby natural areas that contribute to the township’s character.

Attractions and Recreation

Tredyffrin offers parks, recreational facilities, and cultural attractions for residents and visitors. Valley Forge National Historical Park, located nearby, provides extensive trails, historical landmarks, and outdoor recreation opportunities. Local parks and community spaces support sports, events, and activities throughout the year.

Transportation

Tredyffrin is served by major roadways including U.S. Route 202 and the Pennsylvania Turnpike (Interstate 76), providing convenient access to Philadelphia and surrounding regions. SEPTA regional rail services also connect the township to the greater Philadelphia area. The nearest major airport serving the region is Philadelphia International Airport, located about 25 miles southeast of the township.

Explore more cities and counties across Pennsylvania or view the complete USA States Map for additional geographic information.

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General information referenced from the Official Tredyffrin Township Website.

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Tredyffrin, Pennsylvania City Facts

CityTredyffrin
StatePennsylvania
CountyChester County
CountryUnited States
RegionSoutheastern Pennsylvania
Founded1707
Incorporated1707 (Township)
Total AreaApproximately 19.9 sq mi (51.5 km²)
Land AreaApproximately 19.8 sq mi (51.3 km²)
Water AreaApproximately 0.1 sq mi (0.2 km²)
ElevationApproximately 300 ft (91 m)
Population (2023 estimate)Approximately 29,000+
Population (2020 Census)29,332
Population DensityApproximately 1,480 people per sq mi
Time ZoneEastern Time (UTC-5 / UTC-4 DST)
ZIP Codes19087, 19301, 19312, 19333, 19355
Area Code610, 484
Major HighwaysInterstate 76 (Schuylkill Expressway), U.S. Route 202, Pennsylvania Route 252
Public TransitSEPTA regional rail and bus services
Major AttractionsValley Forge National Historical Park nearby, Jenkins Arboretum & Gardens, Wilson Farm Park
Official Websitehttps://www.tredyffrin.org/

Distance from Tredyffrin in Chester County, Pennsylvania to Other Cities in Pennsylvania

  • King of Prussia, PA – 5 miles (8 km)
  • Conshohocken, PA – 10 miles (16 km)
  • Norristown, PA – 12 miles (19 km)
  • Radnor, PA – 8 miles (13 km)
  • West Chester, PA – 15 miles (24 km)
  • Media, PA – 15 miles (24 km)
  • Philadelphia, PA – 25 miles (40 km)
  • Doylestown, PA – 35 miles (56 km)
  • Lansdale, PA – 25 miles (40 km)
  • Chester, PA – 20 miles (32 km)
  • Reading, PA – 40 miles (64 km)
  • Allentown, PA – 60 miles (97 km)
  • Bethlehem, PA – 65 miles (105 km)
  • Easton, PA – 70 miles (113 km)
  • Lancaster, PA – 50 miles (80 km)
  • Harrisburg, PA – 90 miles (145 km)
  • York, PA – 80 miles (129 km)
  • Scranton, PA – 120 miles (193 km)
  • State College, PA – 150 miles (241 km)
  • Pittsburgh, PA – 280 miles (451 km)

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