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Dimock town, SD

ZIP 57331 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57331

57331 has a population of 301 with a median age of 49.7 yrs (49.2% 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
19.9%-9% vs US avg
x
18–64
64.1%+4% vs US avg
x
65+
15.9%-2% vs US avg
x
Education
Less than HS
2.9%-74% vs US avg
x
High school
57.1%+118% vs US avg
x
Some college
29.0%+0% vs US avg
x
Bachelor's+
10.9%-68% vs US avg
x
Marital Status
Married
76.7%+60% vs US avg
x
Never married
9.4%-72% vs US avg
x
Divorced
8.2%-21% vs US avg
x
Widowed / Separated
5.7%
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
5.0%-57% vs US avg
x
Foreign Born
0.0%
x
Veterans
12.9%+114% vs US avg
x
Disability
6.3%-53% vs US avg
x
Single Parent
0.0%
x
Top ancestry
GermanIrishNorwegian

Health & Community Indicators in 57331

Poverty Rate
5.0%-57% vs US avg
x
Veterans
12.9%+114% vs US avg
x
Foreign Born
0.0%
x
Single Parent
0.0%
x
Disability
6.3%-53% vs US avg
x
Uninsured
6.0%-25% vs US avg
x
SNAP Benefits
1.6%-87% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population301
Median age49.7
Poverty rate5.0%
Demographics statistics
Demographics
White100.0%
Hispanic0.0%
Black0.0%
Asian0.0%
Foreign-born0.0%