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Hill City city, SD

ZIP 57745 — 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 57745

57745 has a population of 1,784 with a median age of 45.5 yrs (56.1% male).

Race & Ethnicity
White
86.1%+40% vs US avg
x
Black
0.0%
x
Asian
0.7%-88% vs US avg
x
Hispanic
5.5%-70% vs US avg
x
Other / Two+
7.6%
x
Age Groups
0–17
26.5%+20% vs US avg
x
18–64
57.5%-7% vs US avg
x
65+
16.1%-1% vs US avg
x
Education
Less than HS
1.8%-84% vs US avg
x
High school
31.9%+22% vs US avg
x
Some college
32.2%+11% vs US avg
x
Bachelor's+
34.2%+1% vs US avg
x
Marital Status
Married
65.6%+36% vs US avg
x
Never married
17.6%-48% vs US avg
x
Divorced
5.8%-43% vs US avg
x
Widowed / Separated
10.9%
x
Diversity Index
25/100

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

Social & household profile

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

Poverty Rate
6.3%-46% vs US avg
x
Foreign Born
42.4%+205% vs US avg
x
Veterans
11.7%+96% vs US avg
x
Disability
9.4%-30% vs US avg
x
Single Parent
3.5%-57% vs US avg
x
Recent Births
43.6%+652% vs US avg
x
Top ancestry
GermanEnglishScandinavian

Health & Community Indicators in 57745

Poverty Rate
6.3%-46% vs US avg
x
Veterans
11.7%+96% vs US avg
x
Foreign Born
42.4%+205% vs US avg
x
Single Parent
3.5%-57% vs US avg
x
Disability
9.4%-30% vs US avg
x
Uninsured
20.9%+161% vs US avg
x
SNAP Benefits
3.3%-72% vs US avg
x
Private School
0.0%
x
Recent Births
43.6%+652% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,784
Median age45.5
Poverty rate6.3%
Demographics statistics
Demographics
White86.1%
Hispanic5.5%
Black0.0%
Asian0.7%
Foreign-born42.4%