Nash County is a county located in the U.S. state of North Carolina. It is part of the Rocky Mount, North Carolina Metropolitan Statistical Area. As of 2000, the population was 87,420. Its county seat is Nashville.
The county was formed in 1777 from Edgecombe County. It was named for Brigadier General Francis Nash, who had been mortally wounded that year at the Battle of Germantown.
In 1855 parts of Nash County, Edgecombe County, Johnston County, and Wayne County were combined to form Wilson County, North Carolina.
According to the U.S. Census Bureau, the county has a total area of 543 square miles, of which, 540 square miles of it is land and 2 square miles of it (0.45%) is water.