Defiance County, Ohio ZIP Codes
- ZIP records
8 - Cities represented
8 - Sum of listed ZIP population estimates
38,068
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 | 43512 | Defiance | 28,022 |
| 2 | 43526 | Hicksville | 6,464 |
| 3 | 43556 | Sherwood | 1,670 |
| 4 | 43549 | Ney | 1,317 |
| 5 | 43536 | Mark Center | 338 |
| 6 | 43519 | Evansport | 257 |
Cities in Defiance County
ZIP Directory
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.