Washington County, WI ZIP codes
There are 12 ZIP codes in Washington County, WI, in 11 towns, from 53002 to 53095. The largest are 53095 (West Bend), 53027 (Hartford) and 53090 (West Bend).
The county seat is West Bend.
- ZIP codes
- 12
- Towns
- 11
- County seat
- West Bend
- County FIPS
55131- State
- Wisconsin
- Population
- 137,879
- Median household income
- $96,359
- Land area
- 431 sq mi
- Area code
- 262
- Metro area
- Milwaukee-Waukesha
Washington County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Washington County ZIP codes
The ZIP codes of Washington County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Washington County in numbers
About 137,879 people live in Washington County, in 57,070 households, the 11th most populous of Wisconsin's 72 counties. The median household income is $96,359 a year, 24% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $344,800 (29% above the Wisconsin median), and median gross rent is $1,153 a month. The median age is 43.8; 35.2% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 26 minutes.
| Population | 137,879 |
|---|---|
| Households | 57,070 |
| Median age | 43.8 |
| Median household income | $96,359 |
| Median home value | $344,800 |
| Median gross rent | $1,153 |
| Bachelor's degree or higher | 35.2% |
| Mean commute | 26.4 min |
| Population density | 320 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Washington County
| Town | ZIP codes | Population |
|---|---|---|
| West Bend | 2 | 32,030 |
| Germantown | 1 | 20,962 |
| Hartford | 1 | 15,821 |
| Richfield | 1 | 11,755 |
| Jackson | 1 | 8,003 |
| Slinger | 1 | 6,307 |
| Hubertus | 1 | 6,286 |
| Colgate | 1 | 5,458 |
| Kewaskum | 1 | 4,461 |
| Newburg | 1 | 1,287 |
| Allenton | 1 | 842 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Washington County.
- Waukesha County (31)
- Sheboygan County (16)
- Fond du Lac County (16)
- Ozaukee County (8)
- Dodge County (20)
- Jefferson County (10)
Not sure you are in Washington County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Washington County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
53002 | Allenton , WI | Standard | 2,584 | $117,500 | $332,900 |
53017 | Colgate , WI | Standard | 5,458 | $153,917 | $521,700 |
53022 | Germantown , WI | Standard | 20,046 | $100,890 | $373,400 |
53027 | Hartford , WI | Standard | 23,118 | $91,150 | $332,500 |
53033 | Hubertus , WI | Standard | 6,286 | $136,786 | $476,900 |
53037 | Jackson , WI | Standard | 10,254 | $97,611 | $343,800 |
53040 | Kewaskum , WI | Standard | 8,630 | $96,096 | $326,100 |
53060 | Newburg , WI | No street area | — | — | — |
53076 | Richfield , WI | Standard | 3,109 | $107,414 | $447,800 |
53086 | Slinger , WI | Standard | 9,426 | $103,426 | $387,100 |
53090 | West Bend , WI | Standard | 21,625 | $86,152 | $282,600 |
53095 | West Bend , WI | Standard | 27,817 | $80,830 | $305,400 |
Cite this page
zipcodes.pro. “Washington County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wi/county/washington
Underlying data is public domain or openly licensed — sources, vintages and licences.