51246   Zip Code Rock Rapids Lyon IA United States

City Rock Rapids
County Lyon
State Iowa
Latitude 43.42764
Longitude -96.16564
Population 4,041
Density 25.13 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: $72,400
Median individual: $38,887

Race

Mode: 92.2% White

Gender

 50.4% male 

Rent

  $812 / month  

Median house value: $248,788.0

Age

Median: 38.0 years old

Education

With at least college degree: 22.7%
With STEM degree: 48.2%

Marital Status

 58.3% married 

Never married: 26.4%

Labor Force Participation

 67.0% working 

Unemployed: 2.4%

Average Family Size

 3.57 people 

Commute Time

 13.4 minutes 

Health Care

 3.4% uninsured 

Poverty

 4.2%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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