Lyon   County IA United States

County FIPS 19119
Largest City Rock Rapids
State Iowa
Latitude 43.3805
Longitude -96.2102
Population 12,162
Density 20.7 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: $76,746
Median individual: $39,574

Race

Mode: 93.7% White

Gender

 51.2% male 

Rent

  $843 / month  

Median house value: $230,377.0

Age

Median: 38.2 years old

Education

With at least college degree: 20.5%
With STEM degree: 43.8%

Marital Status

 59.5% married 

Never married: 25.4%

Labor Force Participation

 68.3% working 

Unemployed: 2.3%

Average Family Size

 3.31 people 

Commute Time

 18.9 minutes 

Health Care

 4.0% uninsured 

Poverty

 5.3%

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

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