THE LOWER MAHANOY LAND BRIEF
Land in the
Northern Sandstone Ridges setting.
Lower Mahanoy township has 22 square miles of land in Northumberland County. Its Census reference point is in Northern Sandstone Ridges, 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
Lower Mahanoy and Northumberland County
Lower Mahanoy is associated with Northumberland 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.
Lower Mahanoy by land and water
The Census records 3.95 square miles of water within Lower Mahanoy, or 15.2% of its total area. It is 11.2 percentage points higher than the 4.1% recorded for Northumberland County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lower Mahanoy township has 32.2 times the land area of nearby Dalmatia CDP (0.68 square miles). These areas describe boundaries, not comparable property prices.

