THE UNION COUNTY LAND BRIEF
Land in the
Northern Hilly Gulf Coastal Plain setting.
Union County has 415.6 square miles of land in Mississippi. 3 mapped landscape regions meet across Union County: Northern Hilly Gulf Coastal Plain, Flatwoods/Blackland Prairie Margins, Blackland Prairie.
Irregular plains of sand, silt and clay support a mix of pine and hardwood landscapes. The region has more relief than the lower coastal plain, with generally gentle stream gradients.
Regional context: Southeastern Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Union County intersects 3 mapped regional units. The largest mapped shares are:
- Northern Hilly Gulf Coastal Plain52.7%
- Flatwoods/Blackland Prairie Margins36.1%
- Blackland Prairie11.3%
Finding your parcel within Union County
The atlas lists 4 cities, towns, townships, and Census communities associated with Union County, including New Albany, Blue Springs, Myrtle. 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 1.3 square miles of water within Union County, or 0.3% of its total area. That share is close to Union County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Union County has 22.8 times the land area of nearby New Albany city (18.2 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Benton County, Lafayette County, Lee County, Marshall County, Pontotoc County, Prentiss County, Tippah County within Mississippi. A tract near one of these lines should be matched to the county identifier on its own records.

