Rich Hill is an unincorporated community in Knox County, in the U.S. state of Ohio.
[1] Rich Hill was originally called Hilliar, and under the latter name was laid out in 1852 when the railroad was extended to that point.
[2] The community took its name from nearby Rich Hill.
A post office called Rich Hill was established in 1870 and remained in operation until 1927.
This Knox County, Ohio state location article is a stub.