Camp Butler National Cemetery is a United States National Cemetery located a few miles northeast of Springfield and a few miles southwest of Riverton, a small town nearby to Springfield, in Sangamon County, Illinois. It was named for the Illinois State Treasurer at the time of its establishment, William Butler. Administered by the United States Dep…Camp Butler National Cemetery is a United States National Cemetery located a few miles northeast of Springfield and a few miles southwest of Riverton, a small town nearby to Springfield, in Sangamon County, Illinois. It was named for the Illinois State Treasurer at the time of its establishment, William Butler. Administered by the United States Department of Veterans Affairs, it occupies approximately 53 acres, and is the site of 19,825 interments as of the end of 2005. Camp Butler National Cemetery was placed on the National Register of Historic Places in 1997.