ZIP code · Lake Mills · Wisconsin · United States
ZIP code 53551 — Lake Mills
ZIP code 53551 serves Lake Mills, Wisconsin.
- Postal code
- 53551Single source Value from one source, not cross-checked.
- City
- Lake Mills
- County
- Jefferson
- State
- Wisconsin
- Country
- United States
- Coordinates
- 43.0816, -88.9133 — precision precise (locality)
View on OpenStreetMap - Population
- 9,485 (ZCTA, ACS 5-year)
- Median household income
- $89,841
- Median age
- 40.8
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page