THE UNION COUNTY LAND BRIEF
Land in the
Loamy High Lime Till Plains setting.
Union County has 161.2 square miles of land in Indiana. 2 mapped landscape regions meet across Union County: Loamy High Lime Till Plains, Whitewater Interlobate Area.
Rolling glacial till plains are interrupted by end moraines and areas of older, more dissected deposits. The historical landscape had more tree cover than the Central Corn Belt to the west.
Regional context: Eastern Corn Belt Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Union County intersects 2 mapped regional units. The largest mapped shares are:
- Loamy High Lime Till Plains53.4%
- Whitewater Interlobate Area46.6%
Finding your parcel within Union County
The atlas lists 9 cities, towns, townships, and Census communities associated with Union County, including Union, Harrison, Brownsville. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Union County by land and water
The Census records 3.99 square miles of water within Union County, or 2.4% of its total area. That share is close to Union County’s 2.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Union County has 204.8 times the land area of nearby Liberty town (0.79 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Fayette County, Franklin County, Wayne County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

