THE ORANGE COUNTY LAND BRIEF
Land in the
Carolina Slate Belt setting.
Orange County has 397.6 square miles of land in North Carolina. 3 mapped landscape regions meet across Orange County: Carolina Slate Belt, Southern Outer Piedmont, Triassic Basins.
The Piedmont is a belt of irregular plains and hills between the Appalachians and the coastal plain. A complex mixture of older rocks underlies its pine and hardwood woodland landscapes.
Regional context: Piedmont ↗ · Regional mapping across the county footprint
Where the landscape changes
Orange County intersects 3 mapped regional units. The largest mapped shares are:
- Carolina Slate Belt84.9%
- Southern Outer Piedmont12.2%
- Triassic Basins2.9%
Finding your parcel within Orange County
The atlas lists 6 cities, towns, townships, and Census communities associated with Orange County, including Durham, Chapel Hill, Mebane. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Orange County by land and water
The Census records 3.38 square miles of water within Orange County, or 0.8% of its total area. That share is close to Orange County’s 0.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Orange County has 68.9 times the land area of nearby Hillsborough town (5.77 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Alamance County, Caswell County, Chatham County, Durham County, Person County within North Carolina. A tract near one of these lines should be matched to the county identifier on its own records.

