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Lake Madison CDP, SD

ZIP 57075 — People & Community

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57075

57075 has a population of 1,237 with a median age of 56.9 yrs (54.6% male).

Race & Ethnicity
White
91.1%+48% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
0.6%-97% vs US avg
x
Other / Two+
8.3%
x
Age Groups
0–17
16.4%-25% vs US avg
x
18–64
56.3%-9% vs US avg
x
65+
27.3%+68% vs US avg
x
Education
Less than HS
2.6%-76% vs US avg
x
High school
35.2%+34% vs US avg
x
Some college
27.0%-7% vs US avg
x
Bachelor's+
35.1%+4% vs US avg
x
Marital Status
Married
66.4%+38% vs US avg
x
Never married
17.0%-50% vs US avg
x
Divorced
10.1%-2% vs US avg
x
Widowed / Separated
6.5%
x
Diversity Index
16/100

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

Social & household profile

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

Poverty Rate
5.2%-55% vs US avg
x
Foreign Born
0.0%
x
Veterans
7.2%+19% vs US avg
x
Disability
11.6%-14% vs US avg
x
Single Parent
1.7%-79% vs US avg
x
Top ancestry
GermanNorwegianIrish

Health & Community Indicators in 57075

Poverty Rate
5.2%-55% vs US avg
x
Veterans
7.2%+19% vs US avg
x
Foreign Born
0.0%
x
Single Parent
1.7%-79% vs US avg
x
Disability
11.6%-14% vs US avg
x
Uninsured
3.0%-63% vs US avg
x
SNAP Benefits
5.1%-57% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,237
Median age56.9
Poverty rate5.2%
Demographics statistics
Demographics
White91.1%
Hispanic0.6%
Black0.0%
Asian0.0%
Foreign-born0.0%