County · Wisconsin · United States
Washington County ZIP codes
11 ZIP codes · 10 cities · FIPS 55131
Key facts
- State
- Wisconsin (WI)
- FIPS code
- 55131
- Population
- 137,320
- Median household income
- $95,851
- Median age
- 43.5
- Land area
- 430.6 sq mi (1,115.4 km²)
- Population density
- 319 / sq mi
- Area codes
- 262, 534, 715
Cities and ZIP codes in Washington County (10)
| City | ZIP codes |
|---|---|
| West Bend | 53090, 53095 |
| Allenton | 53002 |
| Colgate | 53017 |
| Germantown | 53022 |
| Hartford | 53027 |
| Hubertus | 53033 |
| Jackson | 53037 |
| Kewaskum | 53040 |
| Richfield | 53076 |
| Slinger | 53086 |
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.