About This Place
Oak Grove is a city in Christian County, Kentucky, United States, adjacent to the Fort Campbell Army base. The population was 7,064 at the 2000 census. It is part of the Clarksville, TN–KY Metropolitan Statistical Area.
Oak Grove is one of Kentucky's most recently established cities. It was incorporated on September 24, 1974.
Oak Grove is located at 36°39′30″N 87°25′10″W / 36.65833°N 87.41944°W / 36.65833; -87.41944 (36.658374, -87.419565).