18 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 49221 | Adrian | 41,087 |
| 49286 | Tecumseh | 14,128 |
| 49228 | Blissfield | 5,467 |
| 49247 | Hudson | 5,205 |
| 49265 | Onsted | 5,157 |
| 49236 | Clinton | 5,026 |
| 49256 | Morenci | 3,797 |
| 49229 | Britton | 3,540 |
| 49253 | Manitou Beach | 3,009 |
| 49220 | Addison | 2,439 |
| 49235 | Clayton | 2,115 |
| 49287 | Tipton | 1,958 |
| 49238 | Deerfield | 1,914 |
| 49268 | Palmyra | 1,108 |
| 49279 | Sand Creek | 965 |
| 49248 | Jasper | 787 |
| 49276 | Riga | 703 |
| 49289 | Weston | 129 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 18 ZCTAs in Lenawee County, Michigan (US Census).