Clay   County SD United States

County FIPS 46027
Largest City Vermillion
State South Dakota
Latitude 42.9146
Longitude -96.9756
Population 15,219
Density 36.94 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: $56,850
Median individual: $22,576

Race

Mode: 85.0% White

Gender

 50.1% female 

Rent

  $770 / month  

Median house value: $228,892.0

Age

Median: 24.9 years old

Education

With at least college degree: 45.4%
With STEM degree: 54.9%

Marital Status

 33.7% married 

Never married: 55.1%

Labor Force Participation

 67.5% working 

Unemployed: 7.0%

Average Family Size

 3.09 people 

Commute Time

 19.5 minutes 

Health Care

 9.1% uninsured 

Poverty

 19.7%

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

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