THE ALLENTOWN LAND BRIEF
Land in the
Northern Limestone/Dolomite Valleys setting.
Allentown city has 17.6 square miles of land in Lehigh County. Its Census reference point is in Northern Limestone/Dolomite Valleys, within Ridge and Valley.
Long, roughly parallel ridges and valleys follow folded and faulted rock layers. Limestone valleys, sandstone ridges and other geologic contrasts produce varied terrain and numerous regional springs and caves.
Regional context: Ridge and Valley ↗ · Classification at the Census reference point
Allentown and Lehigh County
Allentown is associated with Lehigh 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.
Allentown by land and water
The Census records 0.44 square miles of water within Allentown, or 2.5% of its total area. It is 1.6 percentage points higher than the 0.8% recorded for Lehigh County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Allentown city has 8.1 times the land area of nearby Dorneyville CDP (2.17 square miles). These areas describe boundaries, not comparable property prices.

