100 Largest ZIP Codes in the United States by Population in Miami County, Ohio
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Miami County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45373 | TROY | OH | 37,714 |
| 2 | 45356 | PIQUA | OH | 24,926 |
| 3 | 45371 | TIPP CITY | OH | 22,429 |
| 4 | 45383 | WEST MILTON | OH | 6,453 |
| 5 | 45318 | COVINGTON | OH | 5,210 |
| 6 | 45359 | PLEASANT HILL | OH | 2,120 |
| 7 | 45337 | LAURA | OH | 1,736 |
| 8 | 45326 | FLETCHER | OH | 1,282 |
| 9 | 45339 | LUDLOW FALLS | OH | 1,101 |
| 10 | 45312 | CASSTOWN | OH | 947 |
| 11 | 45317 | CONOVER | OH | 922 |
| 12 | 45361 | POTSDAM | OH | 381 |