7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 54703 | Eau Claire | 43,618 |
| 54701 | Eau Claire | 41,559 |
| 54720 | Altoona | 8,863 |
| 54742 | Fall Creek | 5,034 |
| 54722 | Augusta | 3,820 |
| 54738 | Eleva | 3,734 |
| 54741 | Fairchild | 1,899 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Eau Claire County, Wisconsin (US Census).