County ProfileWI
Eau Claire County
Population: 105,710 · 7 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
105,710
People
Median age
35.8
Housing
Total households
44,726
Income
Median household income
$74,546
Housing
Total housing units
46,936
Employment
Employment rate
66.9%
Education
Bachelor’s degree or higher
36.8%
Healthcare
Insured population
93.8%
County details
Local time 00:53:11(CT)| Name | Eau Claire |
|---|---|
| Total ZIP codes | 7total |
| ZIP codes (by type) | 6 Standard1 PO Box |
| Area code | 274, 534, 715, 920 |
| Timezone | Central Time (CT) |
| Coordinates | 44.7263547, -91.2864137 |
| Land area | 637.9 sq miles(1,652.2 km²) |
Map of Eau Claire county, Wisconsin with ZIP codes
Cities and Communities in Eau Claire County
Compare the largest cities in Eau Claire County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Eau Claire | 69,421 | $67,395 | 3ZIPs |
| Altoona | 8,293 | $84,552 | 1ZIPs |
| Augusta | 1,567 | $53,714 | 1ZIPs |
| Fall Creek | 1,422 | $86,818 | 1ZIPs |
| Fairchild | 451 | $48,750 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Eau Claire County
Review the most populated postal areas across Eau Claire County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 54703 | Eau Claire | $71,518 | 44,593 |
| 54701 | Eau Claire | $74,361 | 41,346 |
| 54720 | Altoona | $85,977 | 8,580 |
| 54742 | Fall Creek | $102,083 | 4,848 |
| 54722 | Augusta | $71,181 | 4,312 |
| 54741 | Fairchild | $62,679 | 1,799 |
| 54702 | Eau Claire | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS