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Fort Thompson CDP, SD

ZIP 57339 — 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 57339

57339 has a population of 1,310 with a median age of 26.7 yrs (55.6% male).

Race & Ethnicity
White
9.3%-85% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
3.1%-83% vs US avg
x
Other / Two+
87.6%
x
Age Groups
0–17
35.9%+63% vs US avg
x
18–64
56.6%-8% vs US avg
x
65+
7.6%-54% vs US avg
x
Education
Less than HS
17.0%+53% vs US avg
x
High school
54.1%+106% vs US avg
x
Some college
24.5%-15% vs US avg
x
Bachelor's+
4.5%-87% vs US avg
x
Marital Status
Married
22.8%-53% vs US avg
x
Never married
61.2%+81% vs US avg
x
Divorced
8.5%-18% vs US avg
x
Widowed / Separated
7.5%
x
Diversity Index
22/100

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

Social & household profile

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

Poverty Rate
36.5%+217% vs US avg
x
Veterans
12.3%+104% vs US avg
x
Disability
17.3%+29% vs US avg
x
Single Parent
23.6%+191% vs US avg
x
Recent Births
69.0%+1089% vs US avg
x
Top ancestry
AmericanFrenchNorwegian

Health & Community Indicators in 57339

Poverty Rate
36.5%+217% vs US avg
x
Veterans
12.3%+104% vs US avg
x
Single Parent
23.6%+191% vs US avg
x
Disability
17.3%+29% vs US avg
x
Uninsured
51.0%+537% vs US avg
x
SNAP Benefits
24.2%+107% vs US avg
x
Private School
0.0%
x
Recent Births
69.0%+1089% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,310
Median age26.7
Poverty rate36.5%
Demographics statistics
Demographics
White9.3%
Hispanic3.1%
Black0.0%
Asian0.0%