Menard   County IL United States

County FIPS 17129
Largest City Petersburg
State Illinois
Latitude 40.0274
Longitude -89.8022
Population 12,095
Density 38.47 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: $82,176
Median individual: $45,216

Race

Mode: 94.8% White

Gender

 50.9% female 

Rent

  $885 / month  

Median house value: $186,636.0

Age

Median: 42.8 years old

Education

With at least college degree: 28.3%
With STEM degree: 36.4%

Marital Status

 60.5% married 

Never married: 22.5%

Labor Force Participation

 59.3% working 

Unemployed: 3.5%

Average Family Size

 2.76 people 

Commute Time

 26.1 minutes 

Health Care

 2.2% uninsured 

Poverty

 10.1%

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

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