57278   Zip Code Willow Lake Clark SD United States

City Willow Lake
County Clark
State South Dakota
Latitude 44.64689
Longitude -97.68227
Population 1,011
Density 6.48 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.
Download the data

Household Income

Median household: $70,208
Median individual: $37,782

Race

Mode: 92.3% White

Gender

 51.3% male 

Rent

  $808 / month  

Median house value: $220,434.0

Age

Median: 24.6 years old

Education

With at least college degree: 25.6%
With STEM degree: 56.2%

Marital Status

 54.9% married 

Never married: 26.6%

Labor Force Participation

 63.2% working 

Unemployed: 0.0%

Average Family Size

 4.37 people 

Commute Time

 19.6 minutes 

Health Care

 3.3% uninsured 

Poverty

 6.7%

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

Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.