7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 54703 | Eau Claire | 43,022 |
| 54701 | Eau Claire | 42,348 |
| 54720 | Altoona | 9,127 |
| 54742 | Fall Creek | 4,854 |
| 54722 | Augusta | 4,175 |
| 54738 | Eleva | 3,759 |
| 54741 | Fairchild | 1,960 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Eau Claire County, Wisconsin (US Census).