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Onaka town, SD

ZIP 57466 — People & Community

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

Working ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57466

57466 has a population of 167 with a median age of 54.9 yrs (52.1% male).

Race & Ethnicity
White
100.0%+62% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
0.0%
x
Age Groups
0–17
24.6%+12% vs US avg
x
18–64
43.1%-30% vs US avg
x
65+
32.3%+98% vs US avg
x
Education
Less than HS
3.2%-71% vs US avg
x
High school
39.7%+51% vs US avg
x
Some college
38.1%+32% vs US avg
x
Bachelor's+
19.1%-43% vs US avg
x
Marital Status
Married
79.8%+66% vs US avg
x
Never married
16.4%-51% vs US avg
x
Divorced
0.0%
x
Widowed / Separated
3.7%
x
Diversity Index
0/100

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

Social & household profile

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

Poverty Rate
35.9%+212% vs US avg
x
Veterans
4.0%-34% vs US avg
x
Disability
17.4%+30% vs US avg
x
Single Parent
0.0%
x
Recent Births
0.0%
x
Top ancestry
GermanWelshNorwegian

Health & Community Indicators in 57466

Poverty Rate
35.9%+212% vs US avg
x
Veterans
4.0%-34% vs US avg
x
Single Parent
0.0%
x
Disability
17.4%+30% vs US avg
x
Uninsured
0.0%
x
SNAP Benefits
9.7%-17% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population167
Median age54.9
Poverty rate35.9%
Demographics statistics
Demographics
White100.0%
Hispanic0.0%
Black0.0%
Asian0.0%