Monmouth, Illinois

Population 9,659

Monmouth is located in Warren County, IL. The population is 9,659, making Monmouth the largest city in Warren County.

There are 9 public schools in Monmouth with an average Homefacts rating of C+. The total crime rate for Monmouth is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in Monmouth is moderate and the median home sales price is $0. Detailed and up-to-date Monmouth property reports are available for any property address.

Cities near Monmouth include Monmouth Township, Lenox Township and Hale Township.

Monmouth Neighborhood Report


School Rating is Above average
  • No High School Diploma: 18.9%
  • High School Graduate or Higher: 60.4%
  • Bachelor's Degree or Higher: 20.7%

Crime Rate

11.69% Lower than national avg.
  • Auto theft: 89
  • Violent Crimes: 257
  • Robbery: 0
  • Burglary: 481
  • Property Crime: 1
  • Larceny Theft: 1

Registered Offenders

100.00% Lower than national avg.
  • 0 offenders in Monmouth
  • 0.00 offenders/10,000 residents

Environmental Hazards

125 Found nearby
  • Brownfields: 0
  • Registered Polluters: 4
  • Superfunds: 1
  • Tanks & Spills: 120


Moderate 5.0%
  • Illinois unemployment average: 7.9%
  • National unemployment average: 5.9%

Property Values

Median Property Value $0

Schools view all

9 Public Schools view public schools

There are 9 K-12 public schools in Monmouth, IL and 1 private school. Homefacts rates Monmouth's schools as Above average, with an overall C+ rating.

1 Colleges & Universities view all colleges & universities

View All School Information

Crime view details

0 Registered Offenders search the registered offender database

  • Good news! No offenders found in Monmouth, IL.

Crime Index view report

*100 is national avg. Greater than 100 means higher crime, lower means less crime.
  • Total Crime Index
  • Violent Crime Index
  • Property Crime Index

Property Reports view all

Property Report Overview

Average Listing Price
No Data
Median Sales Price
No Data

Median Home Value

Housing Inventory

Property Type
  • Vacant
  • Rented
  • Owned

Number Of Properties Per Bedroom (Distressed)

We're sorry! No number of properties per bedroom found in our database.

42 Building Permits View All

  • In 2010, the city of Monmouth, IL issued 42 building permits. All permits issued were for Single Family Homes. Of those 42 permits, 22 were issued for single family homes and 20 were issued for multi-family homes.
  • In 2009, the city of Monmouth, IL issued 2 building permits. All permits issued were for Single Family Homes. All permits issued were for Single Family Homes.
All Housing Single Family Housing Multi-Family Housing

Building Permits By Year

Fair Market Rents

**Displaying data from Monmouth, IL
  • Property Type Rent
  • Studio: $472
  • 1 Bedroom: $541
  • 2 Bedrooms: $698
  • 3 Bedrooms: $933
  • 4 Bedrooms: $956

View All Home Reports

Environmental Hazards

125 Environmental Hazards

  • Brownfields
    in Monmouth, IL
    view all
  • Registered Polluters
    in Monmouth, IL
    view all
  • Superfunds
    in Monmouth, IL
    view all
  • Tanks & Spills
    in Monmouth, IL
    view all

Health Hazards

  • Air Quality HEALTHY (239/243)
    Monmouth, IL has 98.35% good air quality.
    view all
  • Radon ZONE 1 COUNTY
    Monmouth, IL is a red zone.
    view all
  • UV Index MODERATE 4.68 Average
    Monmouth, IL is a moderate risk area for ultra-violet rays.
    view all


  • We're sorry! No Weather statistics found in our database.

Average Monthly Temperature

  • January 23.68°
  • February 27.83°
  • March 42.2°
  • April 53.18°
  • May 63.21°
  • June 72.73°
  • July 76.67°
  • August 73.6°
  • September 66.67°
  • October 54.98°
  • November 43.78°
  • December 25.35°

View More About Environmental Hazards

Natural Disasters

Probability of Natural Disasters for Monmouth, IL

Monmouth, IL has a very low risk of earthquakes.
Monmouth, IL has no risk of hurricanes.
Monmouth, IL has a moderate risk of hail storms.
Monmouth, IL has a high risk of tornadoes.

Demographics view details

Median Household Income

Median Household Income in Monmouth, IL: $36,846


Unemployment in Monmouth is 5.0%. It is lower than the state and national averages, 7.9% and 5.9% respectively

Workforce Breakdown

Blue Collar - 51.10%
White Collar - 48.90%


State Representatives

  • Gov. Bruce Rauner
  • Sen. Richard J. Durbin
  • Sen. Mark Kirk

City Representatives

  • Cheri Bustos

Neighborhood Info

1 Airport view all

Nearest Major Airports

11 FCC Towers view all

1 Fire Station view all

1 Hospital view all

1 Library view all

2 Police Stations view all

1 Retirement Home view all

Thank you for visiting the city of Monmouth, IL.