De Witt   County IL United States

County FIPS 17039
Largest City Clinton
State Illinois
Latitude 40.1746
Longitude -88.9041
Population 15,373
Density 38.68 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: $71,678
Median individual: $40,993

Race

Mode: 93.3% White

Gender

 50.1% female 

Rent

  $903 / month  

Median house value: $129,544.0

Age

Median: 43.7 years old

Education

With at least college degree: 23.2%
With STEM degree: 37.0%

Marital Status

 49.6% married 

Never married: 29.9%

Labor Force Participation

 61.8% working 

Unemployed: 4.0%

Average Family Size

 2.96 people 

Commute Time

 23.3 minutes 

Health Care

 3.2% uninsured 

Poverty

 10.0%

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

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