8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 64628 | Brookfield | 5,590 |
| 64659 | Meadville | 969 |
| 64631 | Bucklin | 770 |
| 64653 | Linneus | 587 |
| 64651 | Laclede | 422 |
| 63557 | New Boston | 309 |
| 64674 | Purdin | 272 |
| 63566 | Winigan | 58 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Linn County, Missouri (US Census).