THE HARRISON COUNTY LAND BRIEF
Land in the
Loess Flats and Till Plains setting.
Harrison County has 722.5 square miles of land in Missouri. The mapped landscape region in Harrison County is 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
Finding your parcel within Harrison County
The atlas lists 28 cities, towns, townships, and Census communities associated with Harrison County, including Clay, Colfax, Hamilton. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Harrison County by land and water
The Census records 3.89 square miles of water within Harrison County, or 0.5% of its total area. That share is close to Harrison County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Harrison County has 20.2 times the land area of nearby Jefferson township (35.8 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Daviess County, Gentry County, Grundy County, Mercer County, Worth County within Missouri. A tract near one of these lines should be matched to the county identifier on its own records.

