There are 13 zip codes in Miami County, Ohio. The most populated is 45373, located in Troy. * 2024 populations estimated based on the latest ACS 5-year data.

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
4537337,714Troy
4535624,926Piqua
4537122,429Tipp City
453836,453West Milton
453185,210Covington
453084,723Bradford
453592,120Pleasant Hill
453371,736Laura
453261,282Fletcher
453391,101Ludlow Falls
45312947Casstown
45317922Conover
45361381Potsdam
showing: 13 rows

Zip Codes in Miami County, Ohio by Population (2024)