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Letcher town, SD

ZIP 57359 — 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 57359

57359 has a population of 632 with a median age of 38.3 yrs (54.4% male).

Race & Ethnicity
White
94.5%+53% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
2.5%-86% vs US avg
x
Other / Two+
3.0%
x
Age Groups
0–17
29.3%+33% vs US avg
x
18–64
54.6%-12% vs US avg
x
65+
16.1%-1% vs US avg
x
Education
Less than HS
5.1%-54% vs US avg
x
High school
29.2%+11% vs US avg
x
Some college
39.9%+38% vs US avg
x
Bachelor's+
25.8%-23% vs US avg
x
Marital Status
Married
54.8%+14% vs US avg
x
Never married
27.0%-20% vs US avg
x
Divorced
12.1%+17% vs US avg
x
Widowed / Separated
6.1%
x
Diversity Index
11/100

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

Social & household profile

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

Poverty Rate
9.6%-17% vs US avg
x
Foreign Born
0.0%
x
Veterans
2.9%-52% vs US avg
x
Disability
6.3%-53% vs US avg
x
Single Parent
7.6%-6% vs US avg
x
Recent Births
50.4%+768% vs US avg
x
Top ancestry
GermanNorwegianIrish

Health & Community Indicators in 57359

Poverty Rate
9.6%-17% vs US avg
x
Veterans
2.9%-52% vs US avg
x
Foreign Born
0.0%
x
Single Parent
7.6%-6% vs US avg
x
Disability
6.3%-53% vs US avg
x
Uninsured
7.4%-7% vs US avg
x
SNAP Benefits
3.9%-67% vs US avg
x
Private School
0.0%
x
Recent Births
50.4%+768% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population632
Median age38.3
Poverty rate9.6%
Demographics statistics
Demographics
White94.5%
Hispanic2.5%
Black0.0%
Asian0.0%
Foreign-born0.0%