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Spearfish city, SD

ZIP 57799 — People & Community

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

Low Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 57799

57799 has a population of 578 with a median age of 19.6 yrs (44.8% male).

Race & Ethnicity
White
79.1%+28% vs US avg
x
Black
11.1%-11% vs US avg
x
Asian
0.2%-97% vs US avg
x
Hispanic
14.9%-20% vs US avg
x
Age Groups
0–17
0.0%
x
18–64
100.0%+62% vs US avg
x
65+
0.0%
x
Education
Less than HS
0.0%
x
High school
0.0%
x
Some college
79.0%+173% vs US avg
x
Bachelor's+
21.1%-38% vs US avg
x
Marital Status
Married
2.1%-96% vs US avg
x
Never married
95.7%+183% vs US avg
x
Divorced
2.3%-78% vs US avg
x
Diversity Index
34/100

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

Social & household profile

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

Foreign Born
100.0%+619% vs US avg
x
Veterans
0.2%-97% vs US avg
x
Disability
19.9%+49% vs US avg
x
Recent Births
0.0%
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 57799

Veterans
0.2%-97% vs US avg
x
Foreign Born
100.0%+619% vs US avg
x
Disability
19.9%+49% vs US avg
x
Uninsured
10.2%+28% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x

People & Community key statistics

Population statistics
Population
Population578
Median age19.6
Demographics statistics
Demographics
White79.1%
Hispanic14.9%
Black11.1%
Asian0.2%
Foreign-born100.0%