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Seneca town, SD

ZIP 57473 — People & Community

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

Low Income AreaLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57473

57473 has a population of 275 with a median age of 48.5 yrs (36.0% 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
38.9%+77% vs US avg
x
18–64
36.0%-42% vs US avg
x
65+
25.1%+54% vs US avg
x
Education
Less than HS
2.4%-79% vs US avg
x
High school
45.8%+75% vs US avg
x
Some college
39.9%+38% vs US avg
x
Bachelor's+
11.9%-65% vs US avg
x
Marital Status
Married
47.5%-1% vs US avg
x
Never married
33.7%-0% vs US avg
x
Divorced
6.1%-41% vs US avg
x
Widowed / Separated
12.8%
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
53.5%+365% vs US avg
x
Foreign Born
0.0%
x
Veterans
4.8%-21% vs US avg
x
Disability
10.9%-19% vs US avg
x
Single Parent
0.0%
x
Recent Births
0.0%
x
Top ancestry
GermanIrishDanish

Health & Community Indicators in 57473

Poverty Rate
53.5%+365% vs US avg
x
Veterans
4.8%-21% vs US avg
x
Foreign Born
0.0%
x
Single Parent
0.0%
x
Disability
10.9%-19% vs US avg
x
Uninsured
0.0%
x
SNAP Benefits
0.0%
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population275
Median age48.5
Poverty rate53.5%
Demographics statistics
Demographics
White100.0%
Hispanic0.0%
Black0.0%
Asian0.0%
Foreign-born0.0%