Miamiville is an unincorporated community and census-designated place (CDP) in western Miami Township, Clermont County, Ohio, United States, along the Little Miami River. As of the 2010 census it had a population of 242. Although it is unincorporated, it has a post office, with the ZIP code of 45147.
Miamiville was laid out in 1849, and named for the nearby Little Miami River. A post office called Miamiville has been in operation since 1848.
Miamiville's low profile as an unincorporated community was a benefit during the Great Depression, when Prohibition outlawed alcohol consumption in the United States. The Miami Boat Club operated as a speakeasy during the 1920s and 1930s.
Miamiville community sign
Looking west on Center Street in Miamiville
Miamiville Garage in Miamiville
Coordinates: 39°12′45″N 84°17′58″W / 39.21250°N 84.29944°W