Warren County, North Carolina

Warren County, North Carolina
Warren County Courthouse in Warrenton
Location within the U.S. state of North Carolina
Coordinates: 36°24′N 78°06′W / 36.40°N 78.10°W / 36.40; -78.10
Country United States
State North Carolina
Founded1779
Named afterJoseph Warren
SeatWarrenton
Largest communityWarrenton
Area
 • Total
444.30 sq mi (1,150.7 km2)
 • Land429.39 sq mi (1,112.1 km2)
 • Water14.91 sq mi (38.6 km2)  3.36%
Population
 (2020)
 • Total
18,642
 • Estimate 
(2024)
19,081
 • Density43.415/sq mi (16.763/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.warrencountync.com

Warren County is a county located in the northeastern Piedmont region of the U.S. state of North Carolina, on the northern border with Virginia, made famous for a landfill and birthplace of the environmental justice movement. As of the 2020 census, its population was 18,642. Its county seat is Warrenton. It was a center of tobacco and cotton plantations, education, and later textile mills.