Map of Delaware County, Pennsylvania

Delaware County overview:
Name:Delaware County
FIPS code:42-045
State:Pennsylvania
Founded:September 26, 1789
Named for:Delaware River
Seat:Media
Largest town:Upper Darby
Total Area:191 sq mi (490 km²)
Land Area:184 sq mi (480 km²)
Total Population:576,830
Population Density:3,000/sq mi (1,200/km²)
Website:delcopa.gov

Delaware County location map. Where is Delaware County?

Delaware County location on the U.S. Map. Where is Delaware County.
Location of Delaware County in the the United States.
Delaware County location on the Pennsylvania map. Where is Delaware County.
Location of Delaware County in Pennsylvania.

History

Delaware County lies in the river and bay drainage area named “Delaware” in honor of Thomas West, 3rd Baron De La Warr, Governor of the nearby English colony of Virginia. The land was explored by Henry Hudson in 1609, and over the next several decades it was variously claimed and settled by the Swedes, the Dutch, and the English. Its original human inhabitants were the Lenape tribe of American Indians.

Once the Dutch were defeated and the extent of New York was determined, King Charles II of England made his grant to William Penn in order to found the colony which came to be named Pennsylvania. Penn divided his colony into three counties: Bucks, Philadelphia, and Chester. The riverfront land south of Philadelphia, being the most accessible, was quickly granted and settled. In 1789, the southeastern portion of Chester County was divided from the rest and named Delaware County for the Delaware River.

Delaware County Road Map

Delaware CountyStreet Map.
Street map of Delaware County, Pennsylvania. Source: OpenStreetMap (OSM)
Delaware CountyMap
Delaware Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 191 square miles (490 km), of which 184 square miles (480 km) is land and 6.8 square miles (18 km) (3.5%) is water. It is the third-smallest county in Pennsylvania by area.

Delaware County is roughly diamond- or kite-shaped, with the four sides formed by the Chester County boundary to the northwest, the boundary with the state of Delaware, a portion of the “Twelve-Mile Circle”) to the southwest, the Delaware River, forming the border with the state of New Jersey) to the southeast, and the city of Philadelphia and Montgomery County to the east and northeast.

The lowest point in the state of Pennsylvania is located on the Delaware River in Marcus Hook in Delaware County, where it flows out of Pennsylvania and into Delaware. The highest point in Delaware County is 500 feet at two points southeast of Wyola in Newtown Township [1].

Waterways in Delaware County generally flow in a southward direction and ultimately drain into the Delaware River. The waterways are, from west to east: the Brandywine River (forming a portion of the county’s western boundary with Chester County), Naaman’s Creek, Stoney Creek, Chester Creek, Ridley Creek, Crum Creek, Muckinipates Creek, Darby Creek and Cobbs Creek (forming a portion of the county’s eastern boundary with Philadelphia). Crum Creek was dammed in 1931 near Pennsylvania Route 252 to fill Springton Lake (also known as Geist Reservoir), an approximately 391-acre (1.58 km) drinking water reservoir maintained by Aqua America, the county’s largest lake.

The Trainer Refinery and the Port of Chester are located along the shores of the Delaware River.

Adjacent counties

Delaware County is one of four counties in the United States to border a state with which it shares the same name (the other three are Nevada County, California, Texas County, Oklahoma, and Ohio County, West Virginia).

National protected areas

  • First State National Historical Park (part)
  • John Heinz National Wildlife Refuge (part)

State protected area

2,600 acres (11 km) of the county are occupied by the Ridley Creek State Park.

Delaware County Topographic Map

Topographic Map of Delaware County, Pennsylvania
Delaware County Topo map.

Delaware County Satellite Map

Satellite Map of Delaware County, Pennsylvania
Delaware County satellite map.

Delaware County Outline Map

Outline Map of Delaware County, Pennsylvania
Delaware County outline map.

See also

Map of Pennsylvania State and its subdivision: Map of other states:
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