Washington County, Wisconsin
11 ZIP codes · 430.64 sq mi of land · FIPS 55131
| Population | 137,879 |
|---|---|
| State | Wisconsin |
| FIPS code | 55131 |
| Time zone | Central |
| Land area | 430.64 sq mi |
| Center (lat, long) | 43.3912, -88.2329 |
Area codes in this area
These are the area codes that most often serve Washington County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
West Bend · 32,030Germantown · 20,962Hartford · 15,821AllentonColgateHubertusJacksonKewaskumRichfieldSlinger
ZIP codes in Washington County
53002 Allenton53017 Colgate53022 Germantown53027 Hartford53033 Hubertus53037 Jackson53040 Kewaskum53076 Richfield53086 Slinger53090 West Bend53095 West Bend
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.