Dorchester County Map, South Carolina

Dorchester County Map Collection
We allow you to use our Dorchester County map. Attribution is required.
Dorchester County, South Carolina

Dorchester County sits in the coastal plain of South Carolina, just inland from Charleston. The area’s growing fast so new subdivisions are popping up left and right.
Summerville is the largest town, which is known for its beautiful azaleas and sweet tea. They claim to have invented the drink, you know.
The Ashley River runs through here, perfect for kayaking or just enjoying the scenery. Nature lovers should check out Givhans Ferry State Park.
Category | Details |
---|---|
County Name | Dorchester County |
County Seat | St. George |
Population | Approximately 172,000 |
Cities, Towns, and Communities | Summerville, St. George, Ridgeville, Harleyville |
Interstates and Highways | Interstate 26, U.S. Highway 17A, U.S. Highway 78 |
FIPS Code | 45-035 |
Total Area (Land and Water) | 576 square miles (573 sq mi land, 3 sq mi water) |
Adjacent Counties (and Direction) | Bamberg County (West), Berkeley County (East), Charleston County (Southeast), Colleton County (Southwest), Orangeburg County (Northwest) |
Time Zone | Eastern Time Zone (EST) |
State | South Carolina |
Coordinates | 33°06’N, 80°24’W |
Etymology | Named after Dorchester, Massachusetts, which was named for Dorchester, England |
Major Landmarks | Middleton Place, Colonial Dorchester State Historic Site, Givhans Ferry State Park |
Website | Dorchester County Website |
PHYSICAL MAP
Dorchester County Topographic Map
The land here in Dorchester County rises gently from the coastal plain. Shallow ridges and broad flats trade places across the county. No mountains, but not completely level either. Zoom in on our map to scope out the terrain.

TRANSPORTATION MAP
Dorchester County Road Map
Dorchester County’s roads are straight and simple. I-26 and I-95 cut through the northern region. Though not heavily urban, the county is growing fast. Some areas feel suburban, others still very rural.

SATELLITE IMAGERY
Dorchester County Satellite Map
Fields, pine forests, and housing developments are easy to spot. Urban growth stands out near the southeast. Further inland, trees grow tall. You’ll notice large green tracts with occasional breaks for farmland or neighborhoods.

OUTLINE MAP
Dorchester County Blank Map
The county looks a bit like a tilted wedge. Edisto River defines its western border. It shares boundaries with five other counties in South Carolina, but doesn’t touch another state. Some lines are straight and others are gently curved.

Neighboring Counties
Here are the 5 neighboring counties of Dorchester County: