5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 47240 | Greensburg | 21,514 |
| 47283 | Westport | 4,085 |
| 47272 | Saint Paul | 2,100 |
| 47263 | New Point | 172 |
| 47225 | Clarksburg | 90 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Decatur County, Indiana (US Census).