Dayton, Ohio ZIP Codes
- ZIP records
30 - Sum of listed ZIP population estimates
487,428 - Counties represented
2 - Population range
134–50,725 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 45424 | Dayton | Montgomery | 50,725 |
| 2 | 45458 | Dayton | Montgomery | 38,712 |
| 3 | 45459 | Dayton | Montgomery | 28,553 |
| 4 | 45417 | Dayton | Montgomery | 28,186 |
| 5 | 45431 | Dayton | Greene | 27,951 |
| 6 | 45429 | Dayton | Montgomery | 26,347 |
| 7 | 45420 | Dayton | Montgomery | 24,411 |
| 8 | 45440 | Dayton | Greene | 22,358 |
| 9 | 45414 | Dayton | Montgomery | 21,167 |
| 10 | 45406 | Dayton | Montgomery | 19,991 |
Counties represented
All ZIP Codes in Dayton
- ZIP 45402 — Montgomery County
- ZIP 45403 — Montgomery County
- ZIP 45404 — Montgomery County
- ZIP 45405 — Montgomery County
- ZIP 45406 — Montgomery County
- ZIP 45409 — Montgomery County
- ZIP 45410 — Montgomery County
- ZIP 45414 — Montgomery County
- ZIP 45415 — Montgomery County
- ZIP 45416 — Montgomery County
- ZIP 45417 — Montgomery County
- ZIP 45419 — Montgomery County
- ZIP 45420 — Montgomery County
- ZIP 45423 — Montgomery County
- ZIP 45424 — Montgomery County
- ZIP 45426 — Montgomery County
- ZIP 45428 — Montgomery County
- ZIP 45429 — Montgomery County
- ZIP 45430 — Greene County
- ZIP 45431 — Greene County
- ZIP 45432 — Greene County
- ZIP 45433 — Greene County
- ZIP 45434 — Greene County
- ZIP 45435 — Greene County
- ZIP 45439 — Montgomery County
- ZIP 45440 — Greene County
- ZIP 45449 — Montgomery County
- ZIP 45458 — Montgomery County
- ZIP 45459 — Montgomery County
- ZIP 45469 — Montgomery County
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.