Rockville, Ohio From Wikipedia, the free encyclopedia Unincorporated community in Ohio, U.S. Rockville is an unincorporated community in Adams County, in the U.S. state of Ohio.[1] Rockville was laid out in 1830, and named for the quarries near the original town site.[2] References ↑ U.S. Geological Survey Geographic Names Information System: Rockville, Ohio ↑ Evans, Nelson Wiley; Stivers, Emmons B. (1900). A History of Adams County, Ohio: From Its Earliest Settlement to the Present Time. E B. Stivers. p. 423. vteMunicipalities and communities of Adams County, Ohio, United StatesCounty seat: West UnionVillages Manchester Peebles Rome Seaman West Union Winchester Map of Ohio highlighting Adams CountyTownships Bratton Brush Creek Franklin Green Jefferson Liberty Manchester Meigs Monroe Oliver Scott Sprigg Tiffin Wayne Winchester CDPs Bentonville Cherry Fork Othercommunities Beasley Fork Blue Creek Bradysville Cedar Mills Dunkinsville Eckmansville Fairview Harshaville Jacksonville Jaybird Locust Grove Louden Louisville Lynx Marble Furnace May Hill Mineral Springs Rockville Sandy Springs Selig Steam Furnace Tranquility Tulip Unity Wamsley Wrightsville Youngsville Ohio portal United States portal 38°37′2″N 83°16′18″W / 38.61722°N 83.27167°W / 38.61722; -83.27167 This Adams County, Ohio state location article is a stub. You can help Wikipedia by adding missing information.vte Related Articles~TimelinesTop QsFact Checks