Cottage Hill is an unincorporated community in Muskingum County, in the U.S. state of Ohio.[1] A post office called Cottage Hill was established in 1855, the name was changed to Cottagehill in 1895, and the post office closed in 1902.[2] Besides the post office, Cottage Hill had a country store.This Muskingum County, Ohio state location article is a stub.You can help Wikipedia by expanding it.