Hill Grove, Ohio
Hill Grove is an unincorporated community in Darke County, in the U.S. state of Ohio.
Hill Grove was laid out in 1848. A post office called Hill Grove was established in 1837, and remained in operation until 1917. Being close to Union City limited the community's early growth.
Harvey C. Garber, a U.S. Representative from Ohio, was born in Hill Grove in 1866.
Coordinates: 40°10′39″N 84°46′06″W / 40.17750°N 84.76833°W
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