4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 64759 | Lamar | 7,803 |
| 64762 | Liberal | 1,656 |
| 64748 | Golden City | 1,270 |
| 64769 | Mindenmines | 718 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Barton County, Missouri (US Census).