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Watertown city, SD

ZIP 57201 — 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 57201

57201 has a population of 26,375 with a median age of 39.5 yrs (51.1% male).

Race & Ethnicity
White
90.9%+48% vs US avg
x
Black
1.1%-91% vs US avg
x
Asian
0.6%-90% vs US avg
x
Hispanic
3.1%-83% vs US avg
x
Other / Two+
4.3%
x
Age Groups
0–17
23.2%+5% vs US avg
x
18–64
58.2%-6% vs US avg
x
65+
18.7%+15% vs US avg
x
Education
Less than HS
7.9%-29% vs US avg
x
High school
37.6%+44% vs US avg
x
Some college
33.1%+14% vs US avg
x
Bachelor's+
21.3%-37% vs US avg
x
Marital Status
Married
50.3%+4% vs US avg
x
Never married
30.9%-9% vs US avg
x
Divorced
11.2%+8% vs US avg
x
Widowed / Separated
7.7%
x
Diversity Index
17/100

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

Social & household profile

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

Poverty Rate
10.4%-10% vs US avg
x
Foreign Born
43.5%+213% vs US avg
x
Veterans
7.7%+29% vs US avg
x
Disability
11.1%-17% vs US avg
x
Single Parent
8.8%+8% vs US avg
x
Recent Births
45.9%+692% vs US avg
x
Top ancestry
GermanNorwegianIrish

Health & Community Indicators in 57201

Poverty Rate
10.4%-10% vs US avg
x
Veterans
7.7%+29% vs US avg
x
Foreign Born
43.5%+213% vs US avg
x
Single Parent
8.8%+8% vs US avg
x
Disability
11.1%-17% vs US avg
x
Uninsured
6.7%-16% vs US avg
x
SNAP Benefits
7.2%-39% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
45.9%+692% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population26,375
Median age39.5
Poverty rate10.4%
Demographics statistics
Demographics
White90.9%
Hispanic3.1%
Black1.1%
Asian0.6%
Foreign-born43.5%