Texas Unincorporated community in Tennessee, US Milldale is an unincorporated community in Robertson County, Tennessee, in the United States.[1] References ^ "Milldale, Tennessee". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Municipalities and communities of Robertson County, Tennessee, United StatesCounty seat: SpringfieldCities Adams Cedar Hill Cross Plains Millersville‡ Orlinda Portland‡ Springfield White House‡ Ridgetop‡ Towns Coopertown Greenbrier Unincorporatedcommunities Ashburn Baggettsville Barren Plains Crunk Holmansville Hubertville Milldale Port Royal Sandy Springs Stroudville Turnersville Youngville Footnotes‡This populated place also has portions in an adjacent county or counties Tennessee portal United States portal 36°35′24″N 86°45′49″W / 36.59000°N 86.76361°W / 36.59000; -86.76361