Poweshiek   County IA United States

County FIPS 19157
Largest City Grinnell
State Iowa
Latitude 41.6864
Longitude -92.5315
Population 18,545
Density 31.71 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: $67,391
Median individual: $35,913

Race

Mode: 90.3% White

Gender

 51.3% female 

Rent

  $883 / month  

Median house value: $208,790.0

Age

Median: 41.0 years old

Education

With at least college degree: 27.3%
With STEM degree: 43.7%

Marital Status

 48.9% married 

Never married: 32.7%

Labor Force Participation

 62.1% working 

Unemployed: 3.6%

Average Family Size

 2.76 people 

Commute Time

 18.6 minutes 

Health Care

 3.9% uninsured 

Poverty

 10.7%

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

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