| Zip Code | City | Population ↓ |
|---|---|---|
| 67104 | Medicine Lodge | 2,142 |
| 67070 | Kiowa | 921 |
| 67138 | Sharon | 438 |
| 67057 | Hardtner | 252 |
| 67061 | Hazelton | 237 |
| 67143 | Sun City | 35 |
| 67071 | Lake City | 5 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Barber County, Kansas (US Census).