57223   Zip Code Castlewood Hamlin SD United States

City Castlewood
County Hamlin
State South Dakota
Latitude 44.71019
Longitude -97.00567
Population 1,429
Density 11.4 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: $92,424
Median individual: $46,964

Race

Mode: 94.3% White

Gender

 52.1% male 

Rent

  $1133 / month  

Median house value: $241,302.0

Age

Median: 34.3 years old

Education

With at least college degree: 28.5%
With STEM degree: 38.7%

Marital Status

 66.4% married 

Never married: 18.5%

Labor Force Participation

 78.1% working 

Unemployed: 1.0%

Average Family Size

 3.26 people 

Commute Time

 24.8 minutes 

Health Care

 10.2% uninsured 

Poverty

 3.4%

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

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