THE DILLON COUNTY LAND BRIEF
Land in the
Atlantic Southern Loam Plains setting.
Dillon County has 405.1 square miles of land in South Carolina. 2 mapped landscape regions meet across Dillon County: Atlantic Southern Loam Plains, Southeastern Floodplains and Low Terraces.
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
Dillon County intersects 2 mapped regional units. The largest mapped shares are:
- Atlantic Southern Loam Plains80.6%
- Southeastern Floodplains and Low Terraces19.4%
Finding your parcel within Dillon County
The atlas lists 7 cities, towns, townships, and Census communities associated with Dillon County, including Dillon, Hamer, Little Rock. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Dillon County by land and water
The Census records 1.74 square miles of water within Dillon County, or 0.4% of its total area. That share is close to Dillon County’s 0.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dillon County has 773 times the land area of nearby Newtown CDP (0.52 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Florence County, Horry County, Marion County, Marlboro County within South Carolina. A tract near one of these lines should be matched to the county identifier on its own records.

