| Zip Code | City | Population ↓ |
|---|---|---|
| 66762 | Pittsburg | 24,907 |
| 66743 | Girard | 4,313 |
| 66763 | Frontenac | 3,392 |
| 66712 | Arma | 1,675 |
| 66756 | Mulberry | 1,052 |
| 66753 | McCune | 949 |
| 66724 | Cherokee | 935 |
| 66735 | Franklin | 692 |
| 66780 | Walnut | 674 |
| 66711 | Arcadia | 478 |
| 66734 | Farlington | 343 |
| 66746 | Hepler | 247 |
| 66760 | Opolis | 35 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Crawford County, Kansas (US Census).