50158   Zip Code Marshalltown Marshall IA United States

City Marshalltown
County Marshall
State Iowa
Latitude 42.05016
Longitude -92.90143
Population 31,396
Density 147.93 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: $70,367
Median individual: $37,680

Race

Mode: 64.5% White

Gender

 50.9% male 

Rent

  $892 / month  

Median house value: $139,820.0

Age

Median: 37.2 years old

Education

With at least college degree: 21.3%
With STEM degree: 42.1%

Marital Status

 50.4% married 

Never married: 31.0%

Labor Force Participation

 66.3% working 

Unemployed: 4.8%

Average Family Size

 3.30 people 

Commute Time

 17.2 minutes 

Health Care

 6.0% uninsured 

Poverty

 12.8%

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

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