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Yankton city, SD

ZIP 57078 — 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 57078

57078 has a population of 20,547 with a median age of 42.3 yrs (51.7% male).

Race & Ethnicity
White
87.7%+42% vs US avg
x
Black
1.8%-86% vs US avg
x
Asian
0.3%-95% vs US avg
x
Hispanic
6.2%-67% vs US avg
x
Other / Two+
4.1%
x
Age Groups
0–17
21.1%-4% vs US avg
x
18–64
57.8%-6% vs US avg
x
65+
21.1%+29% vs US avg
x
Education
Less than HS
6.7%-39% vs US avg
x
High school
34.0%+30% vs US avg
x
Some college
30.4%+5% vs US avg
x
Bachelor's+
28.9%-14% vs US avg
x
Marital Status
Married
49.1%+2% vs US avg
x
Never married
33.5%-1% vs US avg
x
Divorced
9.5%-7% vs US avg
x
Widowed / Separated
7.8%
x
Diversity Index
23/100

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

Social & household profile

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

Poverty Rate
10.1%-12% vs US avg
x
Foreign Born
34.8%+150% vs US avg
x
Veterans
8.7%+45% vs US avg
x
Disability
14.3%+7% vs US avg
x
Single Parent
7.8%-3% vs US avg
x
Recent Births
85.8%+1379% vs US avg
x
Top ancestry
GermanIrishNorwegian

Health & Community Indicators in 57078

Poverty Rate
10.1%-12% vs US avg
x
Veterans
8.7%+45% vs US avg
x
Foreign Born
34.8%+150% vs US avg
x
Single Parent
7.8%-3% vs US avg
x
Disability
14.3%+7% vs US avg
x
Uninsured
5.8%-27% vs US avg
x
SNAP Benefits
6.2%-47% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
85.8%+1379% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population20,547
Median age42.3
Poverty rate10.1%
Demographics statistics
Demographics
White87.7%
Hispanic6.2%
Black1.8%
Asian0.3%
Foreign-born34.8%