Decatur   County KS United States

County FIPS 20039
Largest City Oberlin
State Kansas
Latitude 39.7847
Longitude -100.4599
Population 2,726
Density 3.06 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: $53,870
Median individual: $34,786

Race

Mode: 92.7% White

Gender

 51.1% male 

Rent

  $676 / month  

Median house value: $89,665.0

Age

Median: 50.1 years old

Education

With at least college degree: 26.9%
With STEM degree: 40.1%

Marital Status

 55.2% married 

Never married: 18.1%

Labor Force Participation

 61.2% working 

Unemployed: 4.1%

Average Family Size

 2.67 people 

Commute Time

 17.9 minutes 

Health Care

 5.2% uninsured 

Poverty

 12.7%

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

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