Montgomery County, Ohio ZIP Codes
- ZIP records
32 - Cities represented
10 - Sum of listed ZIP population estimates
507,675
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 45424 | Dayton | 50,725 |
| 2 | 45458 | Dayton | 38,712 |
| 3 | 45342 | Miamisburg | 36,152 |
| 4 | 45459 | Dayton | 28,553 |
| 5 | 45417 | Dayton | 28,186 |
| 6 | 45429 | Dayton | 26,347 |
| 7 | 45420 | Dayton | 24,411 |
| 8 | 45414 | Dayton | 21,167 |
| 9 | 45322 | Englewood | 20,884 |
| 10 | 45406 | Dayton | 19,991 |
Cities in Montgomery County
ZIP Directory
- ZIP 45309
- ZIP 45315
- ZIP 45322
- ZIP 45325
- ZIP 45327
- ZIP 45342
- ZIP 45345
- ZIP 45354
- ZIP 45377
- ZIP 45402
- ZIP 45403
- ZIP 45404
- ZIP 45405
- ZIP 45406
- ZIP 45409
- ZIP 45410
- ZIP 45414
- ZIP 45415
- ZIP 45416
- ZIP 45417
- ZIP 45419
- ZIP 45420
- ZIP 45423
- ZIP 45424
- ZIP 45426
- ZIP 45428
- ZIP 45429
- ZIP 45439
- ZIP 45449
- ZIP 45458
- ZIP 45459
- ZIP 45469
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.