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Lake Koshkonong CDP, WI

ZIP 53538 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 53538

53538 has a population of 18,604 with a median age of 44.0 yrs (51.0% male).

Race & Ethnicity
White
87.9%+43% vs US avg
x
Black
0.6%-95% vs US avg
x
Asian
0.6%-89% vs US avg
x
Hispanic
10.7%-43% vs US avg
x
Age Groups
0–17
20.3%-8% vs US avg
x
18–64
60.3%-2% vs US avg
x
65+
19.3%+19% vs US avg
x
Education
Less than HS
8.4%-24% vs US avg
x
High school
33.1%+26% vs US avg
x
Some college
32.4%+12% vs US avg
x
Bachelor's+
26.2%-22% vs US avg
x
Marital Status
Married
54.9%+14% vs US avg
x
Never married
29.5%-13% vs US avg
x
Divorced
9.8%-5% vs US avg
x
Widowed / Separated
5.8%
x
Diversity Index
22/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
7.3%-36% vs US avg
x
Foreign Born
27.8%+100% vs US avg
x
Veterans
6.0%-0% vs US avg
x
Disability
12.3%-8% vs US avg
x
Single Parent
6.7%-17% vs US avg
x
Recent Births
57.6%+893% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 53538

Poverty Rate
7.3%-36% vs US avg
x
Veterans
6.0%-0% vs US avg
x
Foreign Born
27.8%+100% vs US avg
x
Single Parent
6.7%-17% vs US avg
x
Disability
12.3%-8% vs US avg
x
Uninsured
6.4%-20% vs US avg
x
SNAP Benefits
8.2%-30% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
57.6%+893% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population18,604
Median age44.0
Poverty rate7.3%
Demographics statistics
Demographics
White87.9%
Hispanic10.7%
Black0.6%
Asian0.6%
Foreign-born27.8%