THE ATCHISON COUNTY LAND BRIEF
Land in the
Steeply Rolling Loess Prairies setting.
Atchison County has 547.3 square miles of land in Missouri. 3 mapped landscape regions meet across Atchison County: Steeply Rolling Loess Prairies, Missouri Alluvial Plain, Western Loess Hills.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Atchison County intersects 3 mapped regional units. The largest mapped shares are:
- Steeply Rolling Loess Prairies66.4%
- Missouri Alluvial Plain22.6%
- Western Loess Hills11%
Finding your parcel within Atchison County
The atlas lists 7 cities, towns, townships, and Census communities associated with Atchison County, including Rock Port, Tarkio, Blanchard. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Atchison County by land and water
The Census records 2.84 square miles of water within Atchison County, or 0.5% of its total area. That share is close to Atchison County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Atchison County has 394.6 times the land area of nearby Tarkio city (1.39 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Holt County, Nodaway County within Missouri. A tract near one of these lines should be matched to the county identifier on its own records.

