THE BLUE KNOB LAND BRIEF
Land in the
Northern Sandstone Ridges setting.
Blue Knob CDP has 0.09 square miles of land in Blair 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
Blue Knob and Blair County
Blue Knob is associated with Blair 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.
Blue Knob by land and water
The Census records 0 square miles of water within Blue Knob, or 0% of its total area. It is 0.2 percentage points lower than the 0.2% recorded for Blair County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Blue Knob CDP has 70.5% of the land area of nearby Ski Gap CDP (0.13 square miles). These areas describe boundaries, not comparable property prices.

