Dillonvale is the name of two places in the U.S. state of Ohio: Dillonvale, Hamilton County, Ohio Dillonvale, Jefferson County, Ohio This disambiguation
Dillonvale is a village in Jefferson County, Ohio, United States. The population was 665 at the 2010 census. It is part of the Weirton–Steubenville, WV-OH
Dillonvale is a census-designated place (CDP) in Sycamore Township, Hamilton County, Ohio, United States. The population was 3,474 at the 2010 census.
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