THE OLNEY LAND BRIEF
Land in the
Piedmont Uplands setting.
Olney CDP has 16.2 square miles of land in Montgomery 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
Olney and Montgomery County
Olney is associated with Montgomery 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.
Olney by land and water
The Census records 0.04 square miles of water within Olney, or 0.3% of its total area. It is 2.5 percentage points lower than the 2.7% recorded for Montgomery County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Olney CDP has 123.5 times the land area of nearby Brookeville town (0.13 square miles). These areas describe boundaries, not comparable property prices.

