Lyman   County SD United States

County FIPS 46085
Largest City Lower Brule
State South Dakota
Latitude 43.8958
Longitude -99.8474
Population 3,724
Density 2.28 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: $67,143
Median individual: $34,261

Race

Mode: 57.9% White

Gender

 52.3% male 

Rent

  $651 / month  

Median house value: $179,449.0

Age

Median: 36.1 years old

Education

With at least college degree: 24.5%
With STEM degree: 45.1%

Marital Status

 40.1% married 

Never married: 39.8%

Labor Force Participation

 57.3% working 

Unemployed: 4.0%

Average Family Size

 3.94 people 

Commute Time

 15.8 minutes 

Health Care

 21.3% uninsured 

Poverty

 23.7%

All data comes from the SimpleMaps US Counties Database, 2026.

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