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
FoundedFebruary 25, 1897
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 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] The county was created on February 25, 1897 by an act of the South Carolina General Assembly.[3]

Dorchester County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area. It is in the Lowcountry region of South Carolina.

  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.
  3. ^ "Map of Dorchester County, South Carolina : Made and created by an Act of the Legislature of So. Ca. Feb'y 25th 1897, from portions of Colleton and Berkeley counties". Library of Congress.