51010   Zip Code Castana Monona IA United States

City Castana
County Monona
State Iowa
Latitude 42.09309
Longitude -95.92044
Population 425
Density 5.96 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: $89,063
Median individual: $32,738

Race

Mode: 94.4% White

Gender

 51.8% male 

Rent

  $99 / month  

Median house value: $114,174.0

Age

Median: 46.7 years old

Education

With at least college degree: 11.0%
With STEM degree: 54.3%

Marital Status

 61.2% married 

Never married: 17.1%

Labor Force Participation

 80.9% working 

Unemployed: 1.1%

Average Family Size

 2.78 people 

Commute Time

 35.0 minutes 

Health Care

 3.3% uninsured 

Poverty

 2.4%

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

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