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Blackhawk CDP, SD

ZIP 57718 — 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 57718

57718 has a population of 7,329 with a median age of 41.8 yrs (50.1% male).

Race & Ethnicity
White
85.4%+39% vs US avg
x
Black
1.8%-86% vs US avg
x
Asian
1.4%-75% vs US avg
x
Hispanic
4.6%-75% vs US avg
x
Other / Two+
6.7%
x
Age Groups
0–17
19.8%-10% vs US avg
x
18–64
59.6%-3% vs US avg
x
65+
20.6%+26% vs US avg
x
Education
Less than HS
4.0%-64% vs US avg
x
High school
26.6%+1% vs US avg
x
Some college
40.8%+41% vs US avg
x
Bachelor's+
28.7%-15% vs US avg
x
Marital Status
Married
60.1%+25% vs US avg
x
Never married
24.7%-27% vs US avg
x
Divorced
11.1%+8% vs US avg
x
Widowed / Separated
4.1%
x
Diversity Index
26/100

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

Social & household profile

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

Poverty Rate
5.0%-56% vs US avg
x
Foreign Born
28.6%+106% vs US avg
x
Veterans
11.7%+95% vs US avg
x
Disability
14.3%+6% vs US avg
x
Single Parent
4.0%-51% vs US avg
x
Recent Births
88.5%+1426% vs US avg
x
Top ancestry
GermanAmericanEnglish

Health & Community Indicators in 57718

Poverty Rate
5.0%-56% vs US avg
x
Veterans
11.7%+95% vs US avg
x
Foreign Born
28.6%+106% vs US avg
x
Single Parent
4.0%-51% vs US avg
x
Disability
14.3%+6% vs US avg
x
Uninsured
8.8%+11% vs US avg
x
SNAP Benefits
6.9%-41% vs US avg
x
Private School
0.1%-99% vs US avg
x
Recent Births
88.5%+1426% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population7,329
Median age41.8
Poverty rate5.0%
Demographics statistics
Demographics
White85.4%
Hispanic4.6%
Black1.8%
Asian1.4%
Foreign-born28.6%