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Belle Fourche city, SD

ZIP 57717 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57717

57717 has a population of 8,711 with a median age of 38.3 yrs (49.8% male).

Race & Ethnicity
White
90.3%+47% vs US avg
x
Black
0.0%
x
Asian
0.2%-96% vs US avg
x
Hispanic
5.0%-73% vs US avg
x
Other / Two+
4.5%
x
Age Groups
0–17
25.3%+15% vs US avg
x
18–64
56.0%-9% vs US avg
x
65+
18.7%+15% vs US avg
x
Education
Less than HS
12.4%+12% vs US avg
x
High school
35.5%+36% vs US avg
x
Some college
33.1%+14% vs US avg
x
Bachelor's+
19.0%-44% vs US avg
x
Marital Status
Married
55.9%+16% vs US avg
x
Never married
27.3%-19% vs US avg
x
Divorced
11.2%+9% vs US avg
x
Widowed / Separated
5.5%
x
Diversity Index
18/100

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

Social & household profile

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

Poverty Rate
6.7%-42% vs US avg
x
Foreign Born
1.3%-90% vs US avg
x
Veterans
8.0%+34% vs US avg
x
Disability
12.9%-4% vs US avg
x
Single Parent
6.6%-18% vs US avg
x
Recent Births
41.0%+606% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 57717

Poverty Rate
6.7%-42% vs US avg
x
Veterans
8.0%+34% vs US avg
x
Foreign Born
1.3%-90% vs US avg
x
Single Parent
6.6%-18% vs US avg
x
Disability
12.9%-4% vs US avg
x
Uninsured
15.4%+93% vs US avg
x
SNAP Benefits
8.9%-24% vs US avg
x
Private School
0.0%
x
Recent Births
41.0%+606% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population8,711
Median age38.3
Poverty rate6.7%
Demographics statistics
Demographics
White90.3%
Hispanic5.0%
Black0.0%
Asian0.2%
Foreign-born1.3%