Pulaski County is a county located in the U.S. state of Virginia. As of the 2010 census, the population was 34,872. Its county seat is Pulaski.Pulaski County is part of the Blacksburg–Christiansburg–Radford, VA Metropolitan Statistical Area.HistoryPulaski County was formed on March 30, 1839 from parts of Montgomery and Wythe counties, becoming the 87th county of the Commonwealth of Virginia. It was named for Count Casimir Pulaski, who fought during the American Revolution as part of George Washington's army. Pulaski had been a nobleman in Poland, but had been exiled. He joined the army in 1777 and became a brigadier general and chief of cavalry in the Continental Army. He was fatally wounded at Savannah and died on October 11, 1779. Casimir Pulaski is one of the most honored American heroes in terms of places and events named in his honor.GeographyAccording to the U.S. Census Bureau, the county has a total area of 330sqmi, of which 320sqmi is land and 10sqmi (3.0%) is water.Pulaski County is the site of Claytor Lake State Park, which is located on Claytor Lake, a 4500acre, 21mi long man made lake on the New River created for a hydroelectric project of Appalachian Power Company. It is named for W. Graham Claytor, Sr. (1886–1971) of Roanoke, Virginia, a vice president of Appalachian Power who supervised construction of the dam and creation of the lake.