57445   Zip Code Groton Brown SD United States

City Groton
County Brown
State South Dakota
Latitude 45.45828
Longitude -98.12094
Population 2,072
Density 8.29 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $84,948
Median individual: $55,741

Race

Mode: 90.7% White

Gender

 54.3% male 

Rent

  $1015 / month  

Median house value: $192,801.0

Age

Median: 38.3 years old

Education

With at least college degree: 28.9%
With STEM degree: 41.6%

Marital Status

 60.1% married 

Never married: 16.5%

Labor Force Participation

 67.5% working 

Unemployed: 3.3%

Average Family Size

 3.07 people 

Commute Time

 17.2 minutes 

Health Care

 6.5% uninsured 

Poverty

 3.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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