| Zip Code | City | Population ↓ |
|---|---|---|
| 56071 | New Prague | 13,252 |
| 56058 | Le Sueur | 6,087 |
| 56069 | Montgomery | 4,864 |
| 56057 | Le Center | 3,916 |
| 56096 | Waterville | 2,788 |
| 56017 | Cleveland | 1,851 |
| 56050 | Kasota | 1,435 |
| 56028 | Elysian | 1,042 |
| 56052 | Kilkenny | 575 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Le Sueur County, Minnesota (US Census).