57038   Zip Code Jefferson Union SD United States

City Jefferson
County Union
State South Dakota
Latitude 42.57924
Longitude -96.57957
Population 1,796
Density 35.49 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: $106,250
Median individual: $58,681

Race

Mode: 94.4% White

Gender

 50.8% female 

Rent

  $913 / month  

Median house value: $306,491.0

Age

Median: 43.2 years old

Education

With at least college degree: 40.1%
With STEM degree: 58.5%

Marital Status

 67.3% married 

Never married: 15.3%

Labor Force Participation

 76.9% working 

Unemployed: 5.3%

Average Family Size

 2.66 people 

Commute Time

 20.6 minutes 

Health Care

 3.3% uninsured 

Poverty

 3.2%

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

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