THE JEFFERSON COUNTY LAND BRIEF
Land in the
Southern Rolling Plains setting.
Jefferson County has 519.9 square miles of land in Mississippi. 3 mapped landscape regions meet across Jefferson County: Southern Rolling Plains, Bluff Hills, Northern Holocene Meander Belts.
Windblown loess blankets irregular plains and rolling hills, with steeper bluffs near the Mississippi River. Flatter eastern areas contrast with the more deeply cut bluff country.
Regional context: Mississippi Valley Loess Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Jefferson County intersects 3 mapped regional units. The largest mapped shares are:
- Southern Rolling Plains74%
- Bluff Hills15%
- Northern Holocene Meander Belts10.9%
Mississippi Alluvial Plain in Jefferson County
The Mississippi's broad alluvial plain includes river terraces, swales and natural levees. Small changes in elevation distinguish local settings within this generally flat river landscape.
Read the regional source ↗Finding your parcel within Jefferson County
The atlas lists 1 cities, towns, townships, and Census communities associated with Jefferson County, including Fayette. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Jefferson County by land and water
The Census records 7.33 square miles of water within Jefferson County, or 1.4% of its total area. That share is close to Jefferson County’s 1.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Jefferson County has 442.1 times the land area of nearby Fayette city (1.18 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Adams County, Claiborne County, Copiah County, Franklin County, Lincoln County within Mississippi. A tract near one of these lines should be matched to the county identifier on its own records.

