Atoka is a local government area with a town charter in Tipton County, Tennessee, United States. In 1888, Atoka was a stop on the Newport News& Mississippi Valley Railroad. Today the City of New Orleans Amtrak passenger train makes its daily route between New Orleans and Chicago, through Atoka. The population was 10,008 at the 2020 census, making the Town of Atoka the largest municipality in Tipton County.