Grundy   County IA United States

County FIPS 19075
Largest City Grundy Center
State Iowa
Latitude 42.4019
Longitude -92.7914
Population 12,384
Density 24.69 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: $87,205
Median individual: $42,954

Race

Mode: 95.1% White

Gender

 50.5% female 

Rent

  $774 / month  

Median house value: $198,073.0

Age

Median: 41.9 years old

Education

With at least college degree: 27.8%
With STEM degree: 35.1%

Marital Status

 60.3% married 

Never married: 23.4%

Labor Force Participation

 65.7% working 

Unemployed: 2.0%

Average Family Size

 2.92 people 

Commute Time

 23.5 minutes 

Health Care

 3.8% uninsured 

Poverty

 6.5%

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

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