Zip Code | City | Population |
|---|---|---|
| 44004 | Ashtabula | 31,348 |
| 44030 | Conneaut | 16,387 |
| 44041 | Geneva | 14,073 |
| 44047 | Jefferson | 8,736 |
| 44003 | Andover | 4,888 |
| 44076 | Orwell | 4,749 |
| 44084 | Rock Creek | 3,931 |
| 44085 | Rome | 3,334 |
| 44048 | Kingsville | 2,465 |
| 44099 | Windsor | 2,290 |
| 44010 | Austinburg | 1,588 |
| 44082 | Pierpont | 1,587 |
| 44032 | Dorset | 1,546 |
| 44093 | Williamsfield | 1,007 |
| 44068 | North Kingsville | 166 |