Monmouth, IL
Demographics And Statistics

Demographics | Crime | Cost Of Living
Updated: 2025-10-25

Living In Monmouth, Illinois Summary

Life in Monmouth research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Monmouth over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Monmouth:

  • The population in Monmouth is 8,794.

  • The median home value in Monmouth is $104,669.

  • The median income in Monmouth is $59,690.

  • The cost of living in Monmouth is 82 which is 0.8x lower than the national average.

  • The median rent in Monmouth is $652.

  • The unemployment rate in Monmouth is 7.2%.

  • The poverty rate in Monmouth is 16.5%.

  • The average high in Monmouth is 60.7° and the average low is 40.7°.

Monmouth SnackAbility

5
Overall SnackAbility
Jobs
5/10
Housing
3
Affordability
9.5
Diversity
8
Safety
8
Amenities
8.5
Education
6
Commute
9.5

Monmouth, IL Crime Report

Crime in Monmouth summary. We use data from the FBI to determine the crime rates in Monmouth. Key points include:

  • There were 147 total crimes in Monmouth in the last reporting year.

  • The overall crime rate per 100,000 people in Monmouth is 1,737.6 / 100k people.

  • The violent crime rate per 100,000 people in Monmouth is 366.4 / 100k people.

  • The property crime rate per 100,000 people in Monmouth is 1,371.2 / 100k people.

  • Overall, crime in Monmouth is -18.01% below the national average.

147
Total Crimes
-18.01%
Below National Average

Crime In Monmouth Comparison Table

Statistic Count
Raw
Monmouth
/ 100k People
Illinois
/ 100k People
National
/ 100k People
Total Crimes Per 100K 147 1,737.6 2,004.4 2,119.2
Violent Crime 31 366.4 289.2 359.0
Murder 0 0.0 5.8 5.0
Robbery 0 0.0 90.2 61.0
Aggravated Assault 24 283.7 146.3 256.0
Property Crime 116 1,371.2 1,715.2 1,760.0
Burglary 42 496.5 290.5 229.0
Larceny 69 815.6 1,134.4 1,272.0
Car Theft 5 59.1 290.4 259.0

Monmouth, IL Cost Of Living

Cost of living in Monmouth summary. We use data on the cost of living to determine how expensive it is to live in Monmouth. Real estate prices drive most of the variance in cost of living around Illinois. Key points include:

  • The cost of living in Monmouth is 82 with 100 being average.

  • The cost of living in Monmouth is 0.8x lower than the national average.

  • The median home value in Monmouth is $104,669.

  • The median income in Monmouth is $59,690.

82
Monmouth's Overall Cost Of Living
0.8x
Lower Than The National Average

Cost Of Living In Monmouth Comparison Table

Living Expense Monmouth Illinois National Average
Overall 82 97 100
Services 97 95 100
Groceries 95 99 100
Health 105 93 100
Housing 50 95 100
Transportation 99 102 100
Utilities 114 91 100

Monmouth, IL Weather

  • The average high in Monmouth is 60.7° and the average low is 40.7°.

  • There are 69.7 days of precipitation each year.

  • Expect an average of 37.5 inches of precipitation each year with 23.7 inches of snow.

StatMonmouth
Average Annual High60.7
Average Annual Low40.7
Annual Precipitation Days69.7
Average Annual Precipitation37.5
Average Annual Snowfall23.7
60.7°
Average High
69.7
Days of Rain

Monmouth, IL Photos

Patton Block Building
Source: Public Domain

Rankings for Monmouth in Illinois

Locations Around Monmouth

Map Of Monmouth, IL

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3

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8

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9

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10

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Monmouth Demographics And Statistics

Population over time in Monmouth

The current population in Monmouth is 8,794. The population has decreased -6.4% from 2010.

Year Population % Change
2023 8,794 0.3%
2022 8,764 -0.5%
2021 8,810 -0.3%
2020 8,837 0.8%
2019 8,763 -4.6%
2018 9,189 2.0%
2017 9,011 -2.8%
2016 9,272 -0.3%
2015 9,302 -2.7%
2014 9,565 0.5%
2013 9,514 -1.5%
2012 9,659 0.5%
2011 9,615 2.4%
2010 9,391 -

Race / Ethnicity in Monmouth

White
69.7% (6,128)
African American
4.7% (410)
American Indian
0.2% (21)
Asian
4.0% (356)
Hawaiian
0.2% (18)
Other
0.0% (0)
Two Or More
2.4% (209)
Hispanic
18.8% (1,652)

Monmouth is:

  • 69.7% White with 6,128 White residents.

  • 4.7% African American with 410 African American residents.

  • 0.2% American Indian with 21 American Indian residents.

  • 4.0% Asian with 356 Asian residents.

  • 0.2% Hawaiian with 18 Hawaiian residents.

  • 0.0% Other with 0 Other residents.

  • 2.4% Two Or More with 209 Two Or More residents.

  • 18.8% Hispanic with 1,652 Hispanic residents.

Race Monmouth IL USA
White 69.7% 58.7% 58.2%
African American 4.7% 13.6% 12.0%
American Indian 0.2% 0.1% 0.5%
Asian 4.0% 5.8% 5.7%
Hawaiian 0.2% 0.0% 0.2%
Other 0.0% 0.3% 0.5%
Two Or More 2.4% 3.0% 3.9%
Hispanic 18.8% 18.5% 19.0%

Gender in Monmouth

Female
51.3% (4,512)
Male
48.7% (4,282)
  • Monmouth is 51.3% female with 4,512 female residents.

  • Monmouth is 48.7% male with 4,282 male residents.

Gender Monmouth IL USA
Female 51.3% 50.6% 50.5%
Male 48.7% 49.4% 49.5%

Highest level of educational attainment in Monmouth for adults over 25

  • 7.0% of adults in Monmouth completed < 9th grade.

  • 11.0% of adults in Monmouth completed 9-12th grade.

  • 35.0% of adults in Monmouth completed high school / ged.

  • 20.0% of adults in Monmouth completed some college.

  • 8.0% of adults in Monmouth completed associate's degree.

  • 12.0% of adults in Monmouth completed bachelor's degree.

  • 4.0% of adults in Monmouth completed master's degree.

  • 1.0% of adults in Monmouth completed professional degree.

  • 2.0% of adults in Monmouth completed doctorate degree.

< 9th Grade
7.0% (615)
9-12th Grade
11.0% (967)
High School / GED
35.0% (3,077)
Some College
20.0% (1,758)
Associate's Degree
8.0% (703)
Bachelor's Degree
12.0% (1,055)
Master's Degree
4.0% (351)
Professional Degree
1.0% (87)
Doctorate Degree
2.0% (175)
Education Monmouth IL USA
< 9th Grade 7.0% 5.0% 5.0%
9-12th Grade 11.0% 5.0% 6.0%
High School / GED 35.0% 25.0% 26.0%
Some College 20.0% 20.0% 19.0%
Associate's Degree 8.0% 8.0% 9.0%
Bachelor's Degree 12.0% 22.0% 21.0%
Master's Degree 4.0% 11.0% 10.0%
Professional Degree 1.0% 2.0% 2.0%
Doctorate Degree 2.0% 2.0% 2.0%

Household Income For Monmouth, Illinois

  • 4.8% of households in Monmouth earn Less than $10,000.

  • 4.6% of households in Monmouth earn $10,000 to $14,999.

  • 5.6% of households in Monmouth earn $15,000 to $24,999.

  • 11.5% of households in Monmouth earn $25,000 to $34,999.

  • 13.8% of households in Monmouth earn $35,000 to $49,999.

  • 20.2% of households in Monmouth earn $50,000 to $74,999.

  • 18.3% of households in Monmouth earn $75,000 to $99,999.

  • 14.2% of households in Monmouth earn $100,000 to $149,999.

  • 3.4% of households in Monmouth earn $150,000 to $199,999.

  • 3.5% of households in Monmouth earn $200,000 or more.

Less than $10,000
4.8% (41,888)
$10,000 to $14,999
4.6% (40,828)
$15,000 to $24,999
5.6% (49,577)
$25,000 to $34,999
11.5% (101,275)
$35,000 to $49,999
13.8% (121,689)
$50,000 to $74,999
20.2% (177,894)
$75,000 to $99,999
18.3% (160,662)
$100,000 to $149,999
14.2% (124,871)
$150,000 to $199,999
3.4% (29,693)
$200,000 or more
3.5% (31,018)
Income Monmouth IL USA
Less than $10,000 4.8% 5.2% 4.9%
$10,000 to $14,999 4.6% 3.4% 3.6%
$15,000 to $24,999 5.6% 6.2% 6.6%
$25,000 to $34,999 11.5% 6.5% 6.8%
$35,000 to $49,999 13.8% 9.9% 10.4%
$50,000 to $74,999 20.2% 15.1% 15.7%
$75,000 to $99,999 18.3% 12.7% 12.7%
$100,000 to $149,999 14.2% 17.9% 17.4%
$150,000 to $199,999 3.4% 9.9% 9.3%
$200,000 or more 3.5% 13.1% 12.6%

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