Miamitown is a census-designated place (CDP) in western Whitewater Township, Hamilton County, Ohio, United States.

[4] Miamitown was founded in 1816 by Arthur Henry, who operated a flour mill and distillery.

[6] Miamitown is located 16 miles (26 km) northwest of downtown Cincinnati.

Interstate 74 runs along the southern edge of the village, with access to it via Exit 7.

[8] According to the U.S. Census American Community Survey, for the period 2016-2020 the estimated median annual income for a household in the CDP was $61,985.