The South Atlantic is not a body of water

Countries & Cities · Published 16 October 2026 Swipe more like this →

In short: If you look for the South Atlantic states on a map, you might expect to find a maritime region. In reality, it is a specific administrative designation. This census division groups eight states and one district based on their coastal proximity and historical roots.

While the name suggests a connection to the ocean, the South Atlantic states are defined by the United States Census Bureau as a specific geographic division. It is designated as Region 3, Division 5. Rather than referring to the South Atlantic Ocean, the name describes the region's location along the Atlantic Coast. It serves as a distinct grouping that sits south of the Middle Atlantic and New England states.

Washington, D.C., along with Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, and West Virginia, comprise this territory. This grouping is also recognized by the United States Geological Survey. Interestingly, while most of these entities border the North Atlantic Ocean, West Virginia is the notable exception within this specific geographic cluster.

Demographically, the region is a powerhouse of growth. As of 2010, the South Atlantic states held a combined population of 61,774,970 across 292,589 square miles. With the exception of West Virginia, the region has experienced significant economic development and rapid population expansion in recent decades. It forms a core part of the broader Census Bureau Region of the South, which also includes the East and West South Central states.

The region's identity is also nuanced by political reporting. Data sets sometimes combine the Mid-Atlantic states with the 'Upper South Atlantic States'—comprising Delaware, Maryland, Virginia, West Virginia, and Washington, D.C.—demonstrating how American regional categories can vary.

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