62951   Zip Code Johnston City Williamson IL United States

City Johnston City
County Williamson
State Illinois
Latitude 37.82637
Longitude -88.92609
Population 5,342
Density 193.26 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: $50,657
Median individual: $32,349

Race

Mode: 92.9% White

Gender

 51.3% female 

Rent

  $943 / month  

Median house value: $99,306.0

Age

Median: 50.1 years old

Education

With at least college degree: 15.7%
With STEM degree: 31.1%

Marital Status

 54.0% married 

Never married: 22.2%

Labor Force Participation

 55.8% working 

Unemployed: 6.6%

Average Family Size

 2.70 people 

Commute Time

 17.6 minutes 

Health Care

 3.4% uninsured 

Poverty

 14.5%

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

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