| Zip Code | City | Population ↓ |
|---|---|---|
| 50250 | Stuart | 2,480 |
| 50849 | Greenfield | 2,395 |
| 50846 | Fontanelle | 1,149 |
| 50858 | Orient | 796 |
| 50837 | Bridgewater | 342 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Adair County, Iowa (US Census).