| Zip Code | City | Population ↓ |
|---|---|---|
| 65066 | Owensville | 5,983 |
| 65041 | Hermann | 5,401 |
| 65014 | Bland | 2,568 |
| 63091 | Rosebud | 1,491 |
| 65061 | Morrison | 507 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Gasconade County, Missouri (US Census).