THE OUACHITA COUNTY LAND BRIEF
Land in the
Tertiary Uplands setting.
Ouachita County has 732.7 square miles of land in Arkansas. 3 mapped landscape regions meet across Ouachita County: Tertiary Uplands, Pleistocene Fluvial Terraces, Floodplains and Low Terraces.
The Piney Woods occupy irregular plains at the western edge of the southern forest belt. Pine and hardwood landscapes alternate with wider river corridors such as the Red River valley.
Regional context: South Central Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Ouachita County intersects 3 mapped regional units. The largest mapped shares are:
- Tertiary Uplands65.6%
- Pleistocene Fluvial Terraces18.4%
- Floodplains and Low Terraces16%
Finding your parcel within Ouachita County
The atlas lists 7 cities, towns, townships, and Census communities associated with Ouachita County, including Camden, Chidester, Stephens. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Ouachita County by land and water
The Census records 7.02 square miles of water within Ouachita County, or 0.9% of its total area. That share is close to Ouachita County’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Ouachita County has 44.3 times the land area of nearby Camden city (16.5 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Calhoun County, Clark County, Columbia County, Dallas County, Nevada County, Union County within Arkansas. A tract near one of these lines should be matched to the county identifier on its own records.

