15 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 44240 | Kent | 37,788 |
| 44266 | Ravenna | 32,612 |
| 44202 | Aurora | 23,084 |
| 44241 | Streetsboro | 18,548 |
| 44260 | Mogadore | 12,780 |
| 44231 | Garrettsville | 8,215 |
| 44255 | Mantua | 7,318 |
| 44201 | Atwater | 6,666 |
| 44272 | Rootstown | 6,048 |
| 44243 | Kent | 5,082 |
| 44288 | Windham | 3,850 |
| 44234 | Hiram | 3,617 |
| 44412 | Diamond | 2,976 |
| 44411 | Deerfield | 2,294 |
| 44285 | Wayland | 76 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 15 ZCTAs in Portage County, Ohio (US Census).