| Zip Code | City | Population ↓ |
|---|---|---|
| 45840 | Findlay | 54,557 |
| 45814 | Arlington | 3,001 |
| 45858 | McComb | 2,604 |
| 45889 | Van Buren | 1,849 |
| 44804 | Arcadia | 1,626 |
| 45881 | Rawson | 1,352 |
| 45867 | Mount Blanchard | 1,001 |
| 45841 | Jenera | 947 |
| 45890 | Vanlue | 821 |
| 45868 | Mount Cory | 813 |
| 45816 | Benton Ridge | 427 |
| 45897 | Williamstown | 99 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Hancock County, Ohio (US Census).