Yadkin County is a county located in the U.S. state of North Carolina. As of 2000, the population was 36,348. Its county seat is Yadkinville.
The county was formed in 1850 from the part of Surry County south of the Yadkin River, for which it was named.
According to the U.S. Census Bureau, the county has a total area of 337 square miles, of which, 336 square miles of it is land and 2 square miles of it (0.57%) is water. Yadkin County is located in the Piedmont region of central North Carolina. The Piedmont consists of rolling farmlands frequently broken by hills or valleys formed by streams. The extreme western section of the county contains the Brushy Mountains, a deeply eroded spur of the much higher Blue Ridge Mountains to the west. Yadkin County marks the eastern end of the Brushy Mountains range; none of the peaks rise more than 400-500 feet above the surrounding countryside. The highest point in the county is Star Peak near Jonesville, at 1,590 feet above sea level.
The Yadkin River forms the county’s northern and eastern borders. The county takes its name from the river.