THE KNOX COUNTY LAND BRIEF
Land in the
Claypan Prairie setting.
Knox County has 504 square miles of land in Missouri. 2 mapped landscape regions meet across Knox County: Claypan Prairie, Loess Flats and Till Plains.
Irregular plains form a transition between northern agricultural country and more wooded uplands to the south and east. Grassland and forest historically mixed, with wider woodland belts beside streams.
Regional context: Central Irregular Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Knox County intersects 2 mapped regional units. The largest mapped shares are:
- Claypan Prairie51.5%
- Loess Flats and Till Plains48.5%
Finding your parcel within Knox County
The atlas lists 7 cities, towns, townships, and Census communities associated with Knox County, including Edina, Plevna, Hurdland. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Knox County by land and water
The Census records 2.82 square miles of water within Knox County, or 0.6% of its total area. That share is close to Knox County’s 0.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Knox County has 385.9 times the land area of nearby Edina city (1.31 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Adair County, Clark County, Lewis County, Macon County, Scotland County, Shelby County within Missouri. A tract near one of these lines should be matched to the county identifier on its own records.

