Knox, Knox County, Ohio From Wikipedia, the free encyclopedia Unincorporated community in Ohio, U.S. Knox is an unincorporated community in Knox County, in the U.S. state of Ohio.[1] A post office called Knox was established in 1826, and remained in operation until 1872.[2] References ↑ U.S. Geological Survey Geographic Names Information System: Knox, Knox County, Ohio ↑ "Knox County". Jim Forte Postal History. Retrieved December 29, 2015. vteMunicipalities and communities of Knox County, Ohio, United StatesCounty seat: Mount VernonCity Mount Vernon Map of Ohio highlighting Knox CountyVillages Brinkhaven Centerburg Danville Fredericktown Gambier Martinsburg Utica‡ Townships Berlin Brown Butler Clay Clinton College Harrison Hilliar Howard Jackson Jefferson Liberty Middlebury Milford Miller Monroe Morgan Morris Pike Pleasant Union Wayne CDPs Apple Valley Bladensburg Howard South Mount Vernon Unincorporatedcommunities Amity Ankenytown Artanna Bangs Batemantown Brandon Five Corners Green Valley Greer Hunt Jelloway Knox Lock‡ Lucerne Millwood Monroe Mills Morgan Center Mt. Liberty North Liberty Palmyra Pipesville Rich Hill Waterford Zuck Ghost town Rossville Footnotes‡This populated place also has portions in an adjacent county or counties Ohio portal United States portal 40°27′27″N 82°31′46″W / 40.45750°N 82.52944°W / 40.45750; -82.52944 This Knox County, Ohio state location article is a stub. You can help Wikipedia by adding missing information.vte Related Articles~TimelinesTop QsFact Checks