| Zip Code | City | Population ↓ |
|---|---|---|
| 67361 | Sedan | 1,806 |
| 67024 | Cedar Vale | 930 |
| 67360 | Peru | 312 |
| 67355 | Niotaze | 227 |
| 67334 | Chautauqua | 67 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Chautauqua County, Kansas (US Census).