57441   Zip Code Frederick Brown SD United States

City Frederick
County Brown
State South Dakota
Latitude 45.82275
Longitude -98.51474
Population 670
Density 2.59 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: $108,009
Median individual: $43,750

Race

Mode: 97.3% White

Gender

 50.6% female 

Rent

  $683 / month  

Age

Median: 39.1 years old

Education

With at least college degree: 28.3%
With STEM degree: 22.1%

Marital Status

 63.1% married 

Never married: 23.6%

Labor Force Participation

 65.6% working 

Unemployed: 1.7%

Average Family Size

 3.23 people 

Commute Time

 34.3 minutes 

Health Care

 5.4% uninsured 

Poverty

 9.1%

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

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