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Plankinton city, SD

ZIP 57368 — 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 57368

57368 has a population of 1,090 with a median age of 39.3 yrs (52.8% male).

Race & Ethnicity
White
87.3%+42% vs US avg
x
Black
2.1%-83% vs US avg
x
Asian
0.6%-89% vs US avg
x
Hispanic
11.8%-37% vs US avg
x
Age Groups
0–17
25.9%+18% vs US avg
x
18–64
60.5%-2% vs US avg
x
65+
13.6%-17% vs US avg
x
Education
Less than HS
5.9%-47% vs US avg
x
High school
28.1%+7% vs US avg
x
Some college
40.4%+40% vs US avg
x
Bachelor's+
25.7%-24% vs US avg
x
Marital Status
Married
57.3%+19% vs US avg
x
Never married
30.5%-10% vs US avg
x
Divorced
10.1%-2% vs US avg
x
Widowed / Separated
2.2%
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
8.1%-30% vs US avg
x
Foreign Born
53.1%+282% vs US avg
x
Veterans
5.9%-1% vs US avg
x
Disability
12.0%-11% vs US avg
x
Single Parent
10.7%+32% vs US avg
x
Recent Births
63.1%+987% vs US avg
x
Top ancestry
GermanNorwegianEnglish

Health & Community Indicators in 57368

Poverty Rate
8.1%-30% vs US avg
x
Veterans
5.9%-1% vs US avg
x
Foreign Born
53.1%+282% vs US avg
x
Single Parent
10.7%+32% vs US avg
x
Disability
12.0%-11% vs US avg
x
Uninsured
3.5%-56% vs US avg
x
SNAP Benefits
4.5%-61% vs US avg
x
Private School
0.0%
x
Recent Births
63.1%+987% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,090
Median age39.3
Poverty rate8.1%
Demographics statistics
Demographics
White87.3%
Hispanic11.8%
Black2.1%
Asian0.6%
Foreign-born53.1%