THE WASHINGTON COUNTY LAND BRIEF
Land in the
Woodland- and Shrub-Covered Low Mountains setting.
Washington County has 2,427.6 square miles of land in Utah. 10 mapped landscape regions meet across Washington County: Woodland- and Shrub-Covered Low Mountains, Eastern Mojave Basins, Escarpments, among others.
North-trending mountain blocks separate dry interior basins. Alluvial fans connect the ranges to valley floors, while vegetation changes from sparse basin shrubs to woodland and forest at higher elevations.
Regional context: Central Basin and Range ↗ · Regional mapping across the county footprint
Where the landscape changes
Washington County intersects 10 mapped regional units. The largest mapped shares are:
- Woodland- and Shrub-Covered Low Mountains28.1%
- Eastern Mojave Basins21.5%
- Escarpments13.9%
- Semiarid Foothills7.1%
- Semiarid Benchlands and Canyonlands7.1%
Mojave Basin and Range in Washington County
Broad dry basins and scattered ranges define the Mojave landscape. Creosote scrub, yuccas and Joshua trees occur regionally, with different plant communities on alkali flats and higher mountains.
Read the regional source ↗Colorado Plateaus in Washington County
Layered sedimentary rock forms mesas, benches, cliffs and deeply cut canyons. Pinyon-juniper woodland, oak and drier basin vegetation vary with elevation and the plateau's strongly contrasting terrain.
Read the regional source ↗Finding your parcel within Washington County
The atlas lists 19 cities, towns, townships, and Census communities associated with Washington County, including St. George, Hurricane, Apple Valley. 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 3.01 square miles of water within Washington County, or 0.1% of its total area. That share is close to Washington County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Washington County has 385.6 times the land area of nearby Leeds town (6.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Iron County, Kane County within Utah. A tract near one of these lines should be matched to the county identifier on its own records.

