61462   Zip Code Monmouth Warren IL United States

City Monmouth
County Warren
State Illinois
Latitude 40.91014
Longitude -90.65176
Population 10,458
Density 73.58 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: $64,113
Median individual: $31,970

Race

Mode: 76.6% White

Gender

 51.2% female 

Rent

  $729 / month  

Median house value: $103,721.0

Age

Median: 36.8 years old

Education

With at least college degree: 22.4%
With STEM degree: 30.0%

Marital Status

 42.3% married 

Never married: 39.7%

Labor Force Participation

 62.2% working 

Unemployed: 3.1%

Average Family Size

 2.74 people 

Commute Time

 16.3 minutes 

Health Care

 4.6% uninsured 

Poverty

 15.5%

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

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