Dorchester County, South Carolina

Dorchester County
Colonial Dorchester State Historic Site
Flag of Dorchester County
Official seal of Dorchester County
Official logo of Dorchester County
Map of South Carolina highlighting Dorchester County
Location within the U.S. state of South Carolina
Map of the United States highlighting South Carolina
South Carolina's location within the U.S.
Coordinates: 33°05′N 80°24′W / 33.08°N 80.40°W / 33.08; -80.40
Country United States
State South Carolina
Founded1897
Named forDorchester, Massachusetts
SeatSt. George
Largest communityNorth Charleston
Area
 • Total571.18 sq mi (1,479.3 km2)
 • Land568.59 sq mi (1,472.6 km2)
 • Water2.59 sq mi (6.7 km2)  0.45%
Population
 (2020)
 • Total161,540
 • Estimate 
(2023)
169,833
 • Density284.11/sq mi (109.70/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts1st, 6th
Websitewww.dorchestercountysc.gov

Dorchester County is a county located in the U.S. state of South Carolina. As of the 2020 census, the population was 161,540.[1] Its county seat is St. George.[2]

Dorchester County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area.

  1. ^ Cite error: The named reference 2020CensusQuickFacts was invoked but never defined (see the help page).
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

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