There are 11 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.

CSV JSON
Zip Code
Population
City
4537337,714Troy
4535624,926Piqua
4537122,429Tipp City
453836,453West Milton
453185,210Covington
453592,120Pleasant Hill
453371,736Laura
453261,282Fletcher
453391,101Ludlow Falls
45312947Casstown
45361381Potsdam

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