THE EAU CLAIRE LAND BRIEF
Land in the
Pittsburgh Low Plateau setting.
Eau Claire borough has 1.28 square miles of land in Butler County. Its Census reference point is in Pittsburgh Low Plateau, within Western Allegheny Plateau.
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.
Regional context: Western Allegheny Plateau ↗ · Classification at the Census reference point
Eau Claire and Butler County
Eau Claire is associated with Butler 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.
Eau Claire by land and water
The Census records 0 square miles of water within Eau Claire, or 0% of its total area. It is 0.8 percentage points lower than the 0.8% recorded for Butler County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Eau Claire borough has 45.2% of the land area of nearby Cherry Valley borough (2.82 square miles). These areas describe boundaries, not comparable property prices.

