THE WASHINGTON COUNTY LAND BRIEF
Land in the
Lower Boston Mountains setting.
Washington County has 941.5 square miles of land in Arkansas. 4 mapped landscape regions meet across Washington County: Lower Boston Mountains, Springfield Plateau, Upper Boston Mountains, among others.
A deeply eroded sandstone-and-shale plateau creates the Boston Mountains' rugged valleys and uplands. Oak and hickory forests are prominent, with pine and cedar in some lower or exposed settings.
Regional context: Boston Mountains ↗ · Regional mapping across the county footprint
Where the landscape changes
Washington County intersects 4 mapped regional units. The largest mapped shares are:
- Lower Boston Mountains45.5%
- Springfield Plateau35.1%
- Upper Boston Mountains10.9%
- Dissected Springfield Plateau-Elk River Hills8.5%
Ozark Highlands in Washington County
Wooded uplands over limestone, dolomite and sandstone characterize the Ozarks. Springs, caves and spring-fed streams are widespread regional features within a landscape of uneven plateaus and valleys.
Read the regional source ↗Finding your parcel within Washington County
The atlas lists 18 cities, towns, townships, and Census communities associated with Washington County, including Fayetteville, Springdale, Tontitown. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Washington County by land and water
The Census records 10.8 square miles of water within Washington County, or 1.1% of its total area. That share is close to Washington County’s 1.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Washington County has 143.6 times the land area of nearby Greenland city (6.56 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Benton County, Crawford County, Madison County within Arkansas. A tract near one of these lines should be matched to the county identifier on its own records.

