Warrenton is a town in Warren County, North Carolina, United States.Founded in 1779, it is the county seat of Warren County. It is home to one of the campuses of Vance-Granville Community College. Warrenton is also the birthplace of former North Carolina U.S. Senator Josiah Bailey, Georgia U.S. Senator Saxby Chambliss, Braxton Bragg and Thomas Bragg.