Miami Heights is located 14 miles (23 km) northwest of downtown Cincinnati.

Ohio State Route 264 (Bridgetown Road) is the main road through the community, running east into Mack and Bridgetown and west into Cleves.

According to the United States Census Bureau, the CDP has a total area of 3.5 square miles (9.1 km2), all land.

20.5% of all households were made up of individuals, and 12.2% were someone living alone who was 65 years of age or older.

This Hamilton County, Ohio state location article is a stub.