THE OREGON COUNTY LAND BRIEF
Land in the
Central Plateau setting.
Oregon County has 789.8 square miles of land in Missouri. 2 mapped landscape regions meet across Oregon County: Central Plateau, Current River Hills.
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.
Regional context: Ozark Highlands ↗ · Regional mapping across the county footprint
Where the landscape changes
Oregon County intersects 2 mapped regional units. The largest mapped shares are:
- Central Plateau65.4%
- Current River Hills34.6%
Finding your parcel within Oregon County
The atlas lists 4 cities, towns, townships, and Census communities associated with Oregon County, including Thayer, Alton, Thomasville. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Oregon County by land and water
The Census records 1.75 square miles of water within Oregon County, or 0.2% of its total area. That share is close to Oregon County’s 0.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Oregon County has 503.4 times the land area of nearby Alton city (1.57 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Carter County, Howell County, Ripley County, Shannon County within Missouri. A tract near one of these lines should be matched to the county identifier on its own records.

