61439   Zip Code Henderson Knox IL United States

City Henderson
County Knox
State Illinois
Latitude 41.02923
Longitude -90.35019
Population 299
Density 239.38 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: $59,125
Median individual: $35,000

Race

Mode: 77.6% White

Gender

 56.5% male 

Rent

  $663 / month  

Median house value: $117,933.0

Age

Median: 37.3 years old

Education

With at least college degree: 20.3%
With STEM degree: 33.3%

Marital Status

 48.3% married 

Never married: 29.2%

Labor Force Participation

 63.6% working 

Unemployed: 7.6%

Average Family Size

 3.13 people 

Commute Time

 25.7 minutes 

Health Care

 10.7% uninsured 

Poverty

 22.5%

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

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