THE DECATUR COUNTY LAND BRIEF
Land in the
Rolling Plains and Breaks setting.
Decatur County has 893.5 square miles of land in Kansas. 2 mapped landscape regions meet across Decatur County: Rolling Plains and Breaks, Flat to Rolling Plains.
These plains are lower and somewhat more irregular than the High Plains to the west. Their grassland setting includes rolling terrain and a transition toward greater rainfall in the east.
Regional context: Central Great Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Decatur County intersects 2 mapped regional units. The largest mapped shares are:
- Rolling Plains and Breaks97.4%
- Flat to Rolling Plains2.6%
High Plains in Decatur County
Broad, comparatively smooth plains distinguish the High Plains from neighboring broken terrain. The natural grassland setting is drier and higher than the Central Great Plains to the east.
Read the regional source ↗Finding your parcel within Decatur County
The atlas lists 30 cities, towns, townships, and Census communities associated with Decatur County, including Sappa, Lyon, Roosevelt. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Decatur County by land and water
The Census records 0.63 square miles of water within Decatur County, or 0.1% of its total area. That share is close to Decatur County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Decatur County has 467.8 times the land area of nearby Oberlin city (1.91 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Norton County, Rawlins County, Sheridan County, Thomas County within Kansas. A tract near one of these lines should be matched to the county identifier on its own records.

