Martin County, North Carolina

Martin County, North Carolina
Old Martin County Courthouse in Williamston
Location within the U.S. state of North Carolina
Coordinates: 35°51′N 77°07′W / 35.85°N 77.12°W / 35.85; -77.12
Country United States
State North Carolina
FoundedMarch 14, 1774
Named afterJosiah Martin
SeatWilliamston
Largest communityWilliamston
Area
 • Total
456.70 sq mi (1,182.8 km2)
 • Land456.41 sq mi (1,182.1 km2)
 • Water0.29 sq mi (0.75 km2)  0.06%
Population
 (2020)
 • Total
22,031
 • Estimate 
(2024)
21,523
 • Density48.27/sq mi (18.64/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.martincountyncgov.com

Martin County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 22,031. Its county seat is Williamston.