THE UPPER DARBY LAND BRIEF
Land in the
Piedmont Uplands setting.
Upper Darby township has 7.83 square miles of land in Delaware County. Its Census reference point is in Piedmont Uplands, within Northern Piedmont.
Rounded low hills, open valleys and irregular plains form a transition between Appalachian highlands and the coastal plain. The underlying geology mixes metamorphic, igneous and sedimentary rocks.
Regional context: Northern Piedmont ↗ · Classification at the Census reference point
Upper Darby and Delaware County
Upper Darby is associated with Delaware County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Upper Darby by land and water
The Census records 0 square miles of water within Upper Darby, or 0% of its total area. It is 3.6 percentage points lower than the 3.6% recorded for Delaware County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Upper Darby township has 2.4 times the land area of nearby Drexel Hill CDP (3.2 square miles). These areas describe boundaries, not comparable property prices.