County · Wisconsin · United States
St. Croix County ZIP codes
11 ZIP codes · 11 cities · FIPS 55109
Key facts
- State
- Wisconsin (WI)
- FIPS code
- 55109
- Population
- 94,819
- Median household income
- $102,482
- Median age
- 39.8
- Land area
- 722.2 sq mi (1,870.4 km²)
- Population density
- 131 / sq mi
- Area codes
- 534, 715
Cities and ZIP codes in St. Croix County (11)
| City | ZIP codes |
|---|---|
| Baldwin | 54002 |
| Deer Park | 54007 |
| Glenwood City | 54013 |
| Hammond | 54015 |
| Houlton | 54082 |
| Hudson | 54016 |
| New Richmond | 54017 |
| Roberts | 54023 |
| Somerset | 54025 |
| Wilson | 54027 |
| Woodville | 54028 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.