County ZIP codes · Wisconsin · FIPS 55035
Eau Claire County, WI ZIP Codes
Eau Claire County, Wisconsin has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 14 residential and 1 for PO boxes or a single organization. 7 of the residential ones lie mainly in Eau Claire County and 7 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $54,964 in 54768 (Stanley) to $102,083 in 54742 (Fall Creek) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Eau Claire County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $71,181 and $81,575.
They carry 13 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Eau Claire County
7 ZIP codes lie mainly in Eau Claire County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 54703 | Eau Claire | 44,153 | 545 | $72k | $244k | 78% |
| 54701 | Eau Claire | 43,014 | 500 | $74k | $290k | 95% |
| 54720 | Altoona | 8,947 | 1,884 | $86k | $237k | 100% |
| 54722 | Augusta | 4,277 | 29 | $71k | $232k | 100% |
| 54742 | Fall Creek | 4,255 | 39 | $102k | $282k | 100% |
| 54738 | Eleva | 3,784 | 38 | $95k | $290k | 54% |
| 54741 | Fairchild | 1,664 | 17 | $63k | $167k | 48% |
Partly in Eau Claire County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 54726 | Boyd | 1,866 | 23 | $79k | $192k | 28% |
| 54770 | Strum | 2,033 | 31 | $84k | $227k | 27% |
| 54758 | Osseo | 4,577 | 29 | $68k | $220k | 23% |
| 54755 | Mondovi | 7,389 | 28 | $73k | $237k | 12% |
| 54768 | Stanley | 6,557 | 49 | $55k | $209k | 10% |
| 54727 | Cadott | 4,806 | 34 | $82k | $229k | 6% |
| 54729 | Chippewa Falls | 34,366 | 208 | $76k | $284k | 3% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
11 ZIP codes of Eau Claire County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Eau Claire | Elsewhere |
|---|---|---|
| 54703 | 78% | Chippewa County 21%; Dunn County 2% |
| 54701 | 95% | Dunn County 5% |
| 54729 | 3% | Chippewa County 97% |
| 54755 | 12% | Buffalo County 60%; Dunn County 14%; Pepin County 13% |
| 54768 | 10% | Chippewa County 45%; Clark County 33%; Taylor County 13% |
| 54727 | 6% | Chippewa County 94% |
| 54758 | 23% | Trempealeau County 53%; Jackson County 25% |
| 54738 | 54% | Trempealeau County 45%; Buffalo County 1% |
| 54770 | 27% | Trempealeau County 73% |
| 54726 | 28% | Chippewa County 72% |
| 54741 | 48% | Jackson County 39%; Clark County 13% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 54702 | Eau Claire |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Eau Claire County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Eau Claire County starts with 547.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 547 | Eau Claire, WI (SCF 547) | 15 | 55 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.