Decatur   County IA United States

County FIPS 19053
Largest City Lamoni
State Iowa
Latitude 40.7377
Longitude -93.7863
Population 7,759
Density 14.59 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: $59,044
Median individual: $30,282

Race

Mode: 91.8% White

Gender

 50.4% female 

Rent

  $611 / month  

Median house value: $112,935.0

Age

Median: 36.1 years old

Education

With at least college degree: 23.5%
With STEM degree: 32.9%

Marital Status

 50.0% married 

Never married: 30.6%

Labor Force Participation

 62.4% working 

Unemployed: 1.9%

Average Family Size

 2.95 people 

Commute Time

 22.5 minutes 

Health Care

 7.6% uninsured 

Poverty

 14.6%

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

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