Hill Grove is an unincorporated community in Darke County, in the U.S. state of Ohio.
[2] A post office called Hill Grove was established in 1837, and remained in operation until 1917.
[3] Being close to Union City limited the community's early growth.
[4] Harvey C. Garber, U.S. Representative from Ohio
This Darke County, Ohio state location article is a stub.