5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 47240 | Greensburg | 21,755 |
| 47283 | Westport | 3,770 |
| 47272 | Saint Paul | 1,720 |
| 47263 | New Point | 206 |
| 47225 | Clarksburg | 19 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Decatur County, Indiana (US Census).