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zipcodes.pro — CITY/WI/LAKE-MILLS

Lake Mills ZIP code, Wisconsin

The ZIP code for Lake Mills, WI is 53551, and its area codes are 920 and 274.

USPS city name
1 ZIP code
Population
6,470
Area codes
920, 274

Lake Mills in numbers

About 6,470 people live in Lake Mills, in 2,581 households. The median household income is $91,027 a year, 17% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $317,100 (19% above the Wisconsin median), and median gross rent is $1,209 a month. The median age is 40.3; 45.4% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 23 minutes.

Population6,470Lake Mills6,470
Households2,581Lake Mills2,581
Median age40.3Lake Mills40.3Wisconsin40.2US 38.9
Median household income$91,027Lake Mills$91,027Wisconsin$77,485US $80,734
Median home value$317,100Lake Mills$317,100Wisconsin$266,500US $332,700
Median gross rent$1,209Lake Mills$1,209Wisconsin$1,087US $1,413
Bachelor's degree or higher45.4%Lake Mills45.4%Wisconsin33.4%US 35.7%
Mean commute22.8 minLake Mills22.8 minWisconsin22.2 minUS 26.4 min
Population density1,547 / sq miLake Mills1,547 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lake Mills city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Lake Mills

ZIP codes with the USPS city name Lake Mills
ZIP City Type Population Median income Median home
53551 Lake Mills , WI Standard 9,731 $94,401 $357,400

Map of Lake Mills ZIP codes

53551

The ZIP codes of Lake Mills, WI, 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.

Towns near Lake Mills

The nearest larger towns are Jefferson (7,732 people, 7.1 mi), Fort Atkinson (12,463 people, 11 mi) and Watertown (22,774 people, 12 mi).

Towns near Lake Mills
TownPopulationDistance
Johnson Creek 3,362 6.8 mi
Jefferson 7,732 7.1 mi
Waterloo 3,600 8.4 mi
Deerfield 2,541 8.8 mi
Marshall 3,778 10.2 mi
Fort Atkinson 12,463 11.1 mi
Watertown 22,774 11.8 mi
Cottage Grove 8,513 15.1 mi
Ixonia 2,684 16.2 mi
Sun Prairie 37,570 18.2 mi
Edgerton 6,014 18.4 mi
Whitewater 15,807 18.7 mi
Columbus 5,488 19.0 mi
Stoughton 13,033 19.2 mi

More nearby: every ZIP code in Jefferson County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Lake Mills, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/lake-mills

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