50112   Zip Code Grinnell Poweshiek IA United States

City Grinnell
County Poweshiek
State Iowa
Latitude 41.7319
Longitude -92.71591
Population 11,862
Density 65.03 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: $67,078
Median individual: $32,579

Race

Mode: 88.6% White

Gender

 52.4% female 

Rent

  $894 / month  

Median house value: $215,510.0

Age

Median: 38.5 years old

Education

With at least college degree: 35.0%
With STEM degree: 45.3%

Marital Status

 45.9% married 

Never married: 37.1%

Labor Force Participation

 61.7% working 

Unemployed: 4.0%

Average Family Size

 2.80 people 

Commute Time

 15.6 minutes 

Health Care

 3.8% uninsured 

Poverty

 9.1%

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

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