Iroquois   County IL United States

County FIPS 17075
Largest City Watseka
State Illinois
Latitude 40.7473
Longitude -87.8243
Population 26,449
Density 23.68 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: $66,255
Median individual: $37,610

Race

Mode: 88.8% White

Gender

 50.4% female 

Rent

  $799 / month  

Median house value: $137,472.0

Age

Median: 44.4 years old

Education

With at least college degree: 18.2%
With STEM degree: 40.7%

Marital Status

 52.0% married 

Never married: 26.4%

Labor Force Participation

 60.1% working 

Unemployed: 4.5%

Average Family Size

 2.81 people 

Commute Time

 25.0 minutes 

Health Care

 6.0% uninsured 

Poverty

 12.5%

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

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