THE CLAY COUNTY LAND BRIEF
Land in the
Western Lowlands Pleistocene Valley Trains setting.
Clay County has 639.2 square miles of land in Arkansas. 5 mapped landscape regions meet across Clay County: Western Lowlands Pleistocene Valley Trains, Bluff Hills, St. Francis Lowlands, among others.
The Mississippi's broad alluvial plain includes river terraces, swales and natural levees. Small changes in elevation distinguish local settings within this generally flat river landscape.
Regional context: Mississippi Alluvial Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Clay County intersects 5 mapped regional units. The largest mapped shares are:
- Western Lowlands Pleistocene Valley Trains45.7%
- Bluff Hills22.7%
- St. Francis Lowlands21.1%
- Western Lowlands Holocene Meander Belts10.1%
- Central Plateau0.3%
Mississippi Valley Loess Plains in Clay County
Windblown loess blankets irregular plains and rolling hills, with steeper bluffs near the Mississippi River. Flatter eastern areas contrast with the more deeply cut bluff country.
Read the regional source ↗Ozark Highlands in Clay 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 Clay County
The atlas lists 12 cities, towns, townships, and Census communities associated with Clay County, including Piggott, Corning, Rector. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Clay County by land and water
The Census records 2.12 square miles of water within Clay County, or 0.3% of its total area. That share is close to Clay County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clay County has 1,723 times the land area of nearby McDougal town (0.37 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Greene County, Randolph County within Arkansas. A tract near one of these lines should be matched to the county identifier on its own records.

