County · Ohio · United States
Montgomery County ZIP codes
34 ZIP codes · 10 cities · FIPS 39113
Key facts
- State
- Ohio (OH)
- FIPS code
- 39113
- Population
- 535,528
- Median household income
- $64,403
- Median age
- 38.8
- Land area
- 461.3 sq mi (1,194.9 km²)
- Population density
- 1,161 / sq mi
- Area codes
- 326, 937
Cities and ZIP codes in Montgomery County (10)
| City | ZIP codes |
|---|---|
| Dayton | 45402, 45403, 45404, 45405, 45406, 45409, 45410, 45414, 45415, 45416, 45417, 45419, 45420, 45423, 45424, 45426, 45428, 45429, 45432, 45439, 45440, 45449, 45458, 45459, 45469 |
| Brookville | 45309 |
| Clayton | 45315 |
| Englewood | 45322 |
| Farmersville | 45325 |
| Germantown | 45327 |
| Miamisburg | 45342 |
| New Lebanon | 45345 |
| Phillipsburg | 45354 |
| Vandalia | 45377 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.