Walnut Grove is a census-designated place in Sumner County, Tennessee, United States. Its population was 864 as of the 2010 census. The community incorporated as a town in 1998. It disincorporated on July 1, 2001, after the law under which it had incorporated was ruled unconstitutional.
Geography
Walnut Grove is located at (36.481393, -86.612095).
According to the United States Census Bureau, Walnut Grove had a total area of , all of it land.
Demographics
As of the census