Mill Rock is an
unincorporated community
An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...
in
Columbiana County
Columbiana County is a County (United States), county located in the U.S. state of Ohio. As of the 2020 United States Census, 2020 census, the population was 101,877. The county seat is Lisbon, Ohio, Lisbon and its largest city is Salem, Ohio, ...
, in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...
of
Ohio
Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
.
History
A stone
watermill
A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of ...
was built at the site of Mill Rock in 1808. A post office called Mill Rock was established in 1876, the name was changed to Millrock in 1895, and the post office closed in 1904.
References
Unincorporated communities in Columbiana County, Ohio
1808 establishments in Ohio
Unincorporated communities in Ohio
{{ColumbianaCountyOH-geo-stub