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ZIP 53551 · Lake Mills

Who lives in ZIP code 53551 (Lake Mills, WI): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Lake Mills, WI · Jefferson County

uszips 2026
People9,731
Median age41.0
Household income$94,401
Home value$356,234
Median rent$1,201/mo
Poverty5.5%
College degree+45.3%
Commute24 min

Place

Metro area
Watertown-Fort Atkinson, WI (micro)
Wider region
Milwaukee-Racine-Waukesha, WI
Time zone
Central
Density
95 / sq mi
Housing units
3,769

County

Jefferson100%

Share of the ZIP's people in each county.

Age mix

Under 1013.1%
10–1912.7%
20s10.6%
30s12.2%
40s13.2%
50s13.9%
60s12.5%
70s8.7%
80+3.4%

18.0% are 65 or older; 76.7% are adults.

Household income

Under $25K5.8%
$25K–50K13.8%
$50K–75K19.0%
$75K–100K14.5%
$100K–150K24.4%
$150K+22.4%

46.8% of households earn $100K+. Median per person: $49,037.

Education (adults 25+)

Less than high school4.3%
High school23.4%
Some college27.0%
Bachelor's30.0%
Graduate15.3%

38.4% of degrees are in STEM fields.

Race

White91.9%
Black0.8%
Asian0.3%
Native American0.7%
Pacific Islander0.0%
Other1.2%
Two or more5.1%

6.6% Hispanic or Latino (of any race).

Households & family

Married
55.5%
Never married
26.9%
Divorced
13.0%
Widowed
4.6%
Family size
3.26
Dual-income families
63.9%

Housing

Own their home
74.5%
Rent burden
23.8%
Men / women
52% / 48%

Work

In labor force
71.0%
Unemployment
2.1%
Self-employed
11.0%
Farmers
1.1%

Community

Charitable givers
32.3%
Veterans
7.8%
With a disability
8.8%
No health insurance
2.3%
Limited English
0.2%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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