West Virginia contributed approximately 20,000 men to the Union and an equal amount to the Confederate army, with approximately 2,000 men from Greenbrier county joining the Confederate army. [8] [9] In 1863, West Virginia's counties were divided into civil townships , with the intention of encouraging local government. Summers County is a county located in the U.S. state of West Virginia.As of the 2010 census, the population was 13,927. Its county seat is Hinton. The county was created by an act of the West Virginia Legislature on February 27, 1871 from parts of Fayette, Greenbrier, Mercer and Monroe counties and named in honor of George W. Summers (1804–68). Lewisburg (the County Seat) Quinwood; Rainelle; Ronceverte; Rupert; White Sulphur Springs; Greenbrier County is located in the U.S. state of West Virginia. As of the 2010 census, the population was 35,480. The county was formed in 1778 from Botetourt and Montgomery counties in Virginia. Wikipedia Area: 1,024 sq miles (2,652 km²) Founded: 1782