9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66547 | Wamego | 8,579 |
| 66536 | Saint Marys | 4,204 |
| 66535 | Saint George | 3,556 |
| 66549 | Westmoreland | 1,526 |
| 66521 | Onaga | 1,417 |
| 66422 | Emmett | 1,228 |
| 66520 | Olsburg | 635 |
| 66432 | Havensville | 540 |
| 66407 | Belvue | 298 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Pottawatomie County, Kansas (US Census).