5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 50049 | Chariton | 6,425 |
| 50238 | Russell | 1,089 |
| 50151 | Lucas | 695 |
| 50068 | Derby | 267 |
| 50272 | Williamson | 228 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Lucas County, Iowa (US Census).