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Eureka city, SD

ZIP 57437 — People & Community

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

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57437

57437 has a population of 1,278 with a median age of 60.4 yrs (47.1% male).

Race & Ethnicity
White
93.8%+52% vs US avg
x
Black
3.0%-76% vs US avg
x
Asian
0.1%-99% vs US avg
x
Hispanic
1.3%-93% vs US avg
x
Other / Two+
1.9%
x
Age Groups
0–17
15.9%-28% vs US avg
x
18–64
40.9%-34% vs US avg
x
65+
43.2%+165% vs US avg
x
Education
Less than HS
18.7%+68% vs US avg
x
High school
40.0%+53% vs US avg
x
Some college
21.6%-25% vs US avg
x
Bachelor's+
19.7%-42% vs US avg
x
Marital Status
Married
53.9%+12% vs US avg
x
Never married
22.1%-35% vs US avg
x
Divorced
10.4%+1% vs US avg
x
Widowed / Separated
13.5%
x
Diversity Index
12/100

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

Social & household profile

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

Poverty Rate
14.4%+26% vs US avg
x
Foreign Born
0.0%
x
Veterans
10.2%+71% vs US avg
x
Disability
15.6%+16% vs US avg
x
Single Parent
2.4%-70% vs US avg
x
Top ancestry
GermanRussianIrish

Health & Community Indicators in 57437

Poverty Rate
14.4%+26% vs US avg
x
Veterans
10.2%+71% vs US avg
x
Foreign Born
0.0%
x
Single Parent
2.4%-70% vs US avg
x
Disability
15.6%+16% vs US avg
x
Uninsured
7.1%-11% vs US avg
x
SNAP Benefits
4.1%-65% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,278
Median age60.4
Poverty rate14.4%
Demographics statistics
Demographics
White93.8%
Hispanic1.3%
Black3.0%
Asian0.1%
Foreign-born0.0%