Lake   County SD United States

County FIPS 46079
Largest City Madison
State South Dakota
Latitude 44.0221
Longitude -97.1294
Population 10,972
Density 19.51 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: $76,808
Median individual: $41,222

Race

Mode: 90.9% White

Gender

 52.8% male 

Rent

  $947 / month  

Median house value: $238,467.0

Age

Median: 43.8 years old

Education

With at least college degree: 34.6%
With STEM degree: 40.6%

Marital Status

 51.6% married 

Never married: 30.2%

Labor Force Participation

 65.4% working 

Unemployed: 3.0%

Average Family Size

 2.73 people 

Commute Time

 14.9 minutes 

Health Care

 4.0% uninsured 

Poverty

 8.4%

All data comes from the SimpleMaps US Counties Database, 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.