THE LAWRENCE COUNTY LAND BRIEF
Land in the
Low Lime Drift Plain setting.
Lawrence County has 357.4 square miles of land in Pennsylvania. 2 mapped landscape regions meet across Lawrence County: Low Lime Drift Plain, Pittsburgh Low Plateau.
Low rounded hills, glacial moraines, kettles and wetland areas define the Erie Drift Plain. Its terrain is more varied than nearby flatter farming regions and less rugged than the unglaciated plateaus.
Regional context: Erie Drift Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Lawrence County intersects 2 mapped regional units. The largest mapped shares are:
- Low Lime Drift Plain87.9%
- Pittsburgh Low Plateau12.1%
Western Allegheny Plateau in Lawrence County
Rounded wooded hills and intervening valleys form an unglaciated plateau landscape. Valley floors contain much of the region's open land, contrasting with its more forested slopes.
Read the regional source ↗Finding your parcel within Lawrence County
The atlas lists 41 cities, towns, townships, and Census communities associated with Lawrence County, including North Beaver, Pulaski, Slippery Rock. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Lawrence County by land and water
The Census records 4.39 square miles of water within Lawrence County, or 1.2% of its total area. That share is close to Lawrence County’s 1.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lawrence County has 43 times the land area of nearby New Castle city (8.31 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Beaver County, Butler County, Mercer County within Pennsylvania. A tract near one of these lines should be matched to the county identifier on its own records.