12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 52627 | Fort Madison | 12,677 |
| 52632 | Keokuk | 11,711 |
| 52625 | Donnellson | 2,338 |
| 52656 | West Point | 1,833 |
| 52639 | Montrose | 1,745 |
| 52626 | Farmington | 1,103 |
| 52658 | Wever | 927 |
| 52624 | Denmark | 734 |
| 52619 | Argyle | 441 |
| 52630 | Hillsboro | 235 |
| 52631 | Houghton | 65 |
| 52657 | Saint Paul | 65 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Lee County, Iowa (US Census).