57751   Zip Code Keystone Pennington SD United States

City Keystone
County Pennington
State South Dakota
Latitude 43.86767
Longitude -103.42346
Population 996
Density 22.54 people per square mile
Time Zone America/Denver
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $100,714
Median individual: $42,348

Race

Mode: 94.6% White

Gender

 53.4% male 

Rent

  $660 / month  

Median house value: $436,586.0

Age

Median: 52.2 years old

Education

With at least college degree: 43.9%
With STEM degree: 49.7%

Marital Status

 65.2% married 

Never married: 21.6%

Labor Force Participation

 68.1% working 

Unemployed: 3.1%

Average Family Size

 2.97 people 

Commute Time

 33.6 minutes 

Health Care

 12.3% uninsured 

Poverty

 6.9%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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