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ZIP 57445 · Groton

Who lives in ZIP code 57445 (Groton, SD): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Groton, SD · Brown County

uszips 2026
People2,072
Median age38.3
Household income$84,948
Home value$192,801
Median rent$1,015/mo
Poverty3.5%
College degree+28.9%
Commute17 min

Place

Metro area
Aberdeen, SD (micro)
Time zone
Central
Density
3 / sq mi
Housing units
865

County

Brown100%

Share of the ZIP's people in each county.

Age mix

Under 1014.4%
10–1911.4%
20s9.6%
30s15.8%
40s9.4%
50s14.8%
60s12.3%
70s7.2%
80+5.2%

17.8% are 65 or older; 75.0% are adults.

Household income

Under $25K7.8%
$25K–50K26.4%
$50K–75K10.6%
$75K–100K11.6%
$100K–150K16.9%
$150K+26.8%

43.7% of households earn $100K+. Median per person: $55,741.

Education (adults 25+)

Less than high school5.3%
High school27.7%
Some college38.2%
Bachelor's17.9%
Graduate11.0%

41.6% of degrees are in STEM fields.

Race

White90.7%
Black0.0%
Asian1.7%
Native American1.6%
Pacific Islander0.0%
Other3.4%
Two or more2.6%

4.2% Hispanic or Latino (of any race).

Households & family

Married
60.1%
Never married
16.5%
Divorced
12.8%
Widowed
10.6%
Family size
3.07
Dual-income families
58.6%

Housing

Own their home
76.8%
Rent burden
24.7%
Men / women
54% / 46%

Work

In labor force
67.5%
Unemployment
3.3%
Self-employed
20.8%
Farmers
13.5%

Community

Charitable givers
11.5%
Veterans
9.8%
With a disability
14.9%
No health insurance
6.5%
Limited English
4.2%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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