Monmouth, IL

Illinois

Monmouth is a small city in Illinois with a population of 8,794. Residents earn $59,690 per year, which is 21% below the national average.

3.0 /5.0
B Good
8,794 Population 2,074/sq mi density
$59,690 Median Income $29,251 per capita
$88,100 Home Value $107,948 Zillow
$652 Median Rent
51°F Avg Temperature
338 Violent Crime/100K 2,082 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,690 median income, 4.5% unemployment
A+
Affordability
5.0 / 5.0
$88,100 home value, $652/mo rent
F
Safety
1.0 / 5.0
338 violent crimes/100K (11% below avg)
C
Education
2.5 / 5.0
18.7% bachelor's degree or higher
Median Income $59,690
21% lower than US avg
Home Value $88,100
69% lower than US avg
Violent Crime 338/100K
11% lower than US avg
Bachelor's+ 18.7%
45% lower than US avg
Median Rent $652
44% lower than US avg
Obesity Rate 39.2%
22% higher than US avg
Unemployment 4.5%
25% higher than US avg
Poverty Rate 12.6%
2% higher than US avg

How Monmouth Compares to the U.S. Average (100% = U.S. avg)

People

Population8,794
Median Age35.0 yrs
Density2,074/mi²
Male / Female49% / 51%
Largest GroupWhite 76%

Economy

B+
Median Income$59,690
Per Capita$29,251
Unemployment4.5%
Poverty12.6%
County GDP$1,097M
Commute16 min

Housing

A+
Home Value$88,100
Rent$652
OwnershipN/A
Zillow$107,948

Crime

F
Violent338/100K
Property2,082/100K
Murder0.0/100K
Assault275/100K
Burglary306/100K

Health

Obesity39.2%
UninsuredN/A
Depression23.0%
Heart Disease5.8%

Climate

Avg Temp51°F
AQI43 (Good)
Rain39.4 in/yr
Elevation759 ft

Education

C
Bachelor's+18.7%
High School+82.2%
School Score5.34

Community

2024 VoteR 62% / D 36%
Commute16 min
EV Stations1
Libraries4

Is Monmouth a Good Place to Live?

Based on current data, Monmouth receives an overall livability score of 3.0 out of 5.0, earning a grade of B. Key strengths include affordable housing. Areas to be aware of include below-average incomes, high obesity rates. Monmouth offers a solid quality of life with a good balance of affordability, safety, and opportunity.

Economy & Jobs

The median household income in Monmouth is $59,690, 21% below the national average of $75,149. Unemployment stands at 4.5%, indicating a healthy job market. 12.6% of residents live in poverty, near the national average of 12.4%. Workers commute an average of 16 minutes, shorter than most U.S. cities.

Cost of Living & Housing

The median home value in Monmouth is $88,100, 69% below the national median — offering relatively affordable homeownership. Renters pay a median of $652 per month, below the national average — a plus for affordability. At just 1.5x median income, home prices are very affordable relative to local earnings.

Safety & Crime

Violent crime in Monmouth is below the national average at 338 per 100,000 residents (U.S. avg: 380). Property crime occurs at a rate of 2,082 per 100,000, near the national average.

Education

18.7% of residents hold a bachelor's degree, below the national average of 33.7%. 82.2% have completed high school. Area schools have an average test score of 5.3/10.

Climate & Weather

Monmouth experiences four distinct seasons with an average temperature of 51°F. Winters average 23°F in January while summers reach 74°F in July. Annual precipitation totals 39.4 inches, including 25.6 inches of snow. Air quality is rated Good with a median AQI of 43.

Monmouth has a population of 8,794 with a density of 2,074 people per square mile. The median age is 35.0 years, 10% younger than the national median of 38.9. The city is predominantly White (75.5%), with 2.9% Hispanic, 4.7% Black.

Population

8,794
Total Population
2,074
People / sq mi
35.0yrs
Median Age
10% below US avg
4.2mi²
Land Area

Gender Distribution

Male 48.7%
Female 51.3%

Race & Ethnicity

Monmouth vs U.S. Average

Language Spoken at Home

English Only81.2%
3% above US avg
Spanish18.8%
40% above US avg

Social Characteristics

Monmouth vs U.S. Average

The median household income in Monmouth is $59,690, which is 21% below the national average of $75,149. The unemployment rate is 4.5% (above the 3.6% US average). 12.6% of residents live below the poverty line. Workers commute an average of 16 minutes.

Income: Monmouth vs U.S.

Commute Mode

Income

Median HH Income$59,690
21% below US avg
Per Capita Income$29,251
Avg Weekly Wage$875
IRS Avg AGI$62,833

Employment & Poverty

Unemployment4.5%
25% above US avg
Poverty Rate12.6%
2% above US avg
Establishments (County)378
County GDP$1,097M

Business (County)

Restaurants39
Healthcare38
Retail46
Manufacturing11

Tax & Cost of Living

Property Tax (IRS)$4,271
22% above US avg
Effective Tax Rate4.85%

Commute & Transportation

Commute Time16.1 min
Work from Home5.8%

Walkability

The median home value in Monmouth is $88,100, 69% below the national average. Monthly rent averages $652 (44% below US avg). Zillow estimates the typical home value at $107,948.

Home Value Sources

Ownership Split

Home Values

Census Median$88,100
69% below US avg
Zillow ZHVI$107,948

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$652
44% below US avg

HUD Fair Market Rent

Studio$774
1 Bedroom$854
2 Bedrooms$1,063
3 Bedrooms$1,370
4 Bedrooms$1,561

Ownership & Property

Owner-Occupied71.4%

Property Tax

Avg Tax (IRS)$4,271
22% above US avg
Effective Rate4.85%
In Monmouth, 39.2% of adults are obese (above the 32.1% national rate). 23.0% report depression. 26.1% are physically inactive.

Health Metrics: Monmouth vs U.S. Average (%)

Chronic Conditions

Obesity39.2%
22% above US avg
Diabetes11.2%
Heart Disease5.8%
High Blood Pressure32.6%
Asthma10.6%
COPD7.2%
Stroke3.2%

Behaviors & Mental Health

Binge Drinking18.8%
Physical Inactivity26.1%
Depression23.0%
Mental Distress18.8%
Physical Distress13.9%

Healthcare Access

Insurance Rate92.4%
Checkup Rate75.3%
Premature Death8,041/100K

Food & Exercise

Food Environment8.3/10
Exercise Access57.4%
Healthcare Facilities38
Monmouth has a violent crime rate of 338 per 100,000 residents, 11% below the national average of 380. Property crime stands at 2,082 per 100,000 (6% above US avg). The murder rate is 0.0 per 100,000.

Crime Rates: Monmouth vs U.S. Average (per 100,000)

Violent Crime

Total Violent338.2/100K
11% below US avg
Murder0.0/100K
100% below US avg
Rape42.3/100K
Robbery21.1/100K
Assault274.8/100K

Property Crime

Total Property2,082.0/100K
6% above US avg
Burglary306.5/100K
Theft1,669.8/100K
Vehicle Theft105.7/100K
Arson31.7/100K

Traffic Safety

Fatal Crashes (County/yr)4

Safety Score

Safety GradeF
Safety Score1.0 / 5.0
Monmouth has an average annual temperature of 51°F (10°C). Winters average 23°F in January while summers reach 74°F in July. Annual precipitation is 39.4 inches. Air quality is rated Good with a median AQI of 43.

Temperature

23°F Jan (-5°C) 74°F Jul (23°C)
Annual Average50.6°F
6% below US avg
January Average23°F (-5°C)
July Average74°F (23°C)

Precipitation & Snow

Annual Rainfall39.4 inches
4% above US avg
Snowfall25.6 inches/yr

Air Quality

AQI Median43.0
RatingGood

Geography

Elevation759 ft (231 m)
Area4.2 sq mi (11.0 km²)
Population Density2,074/sq mi
Coordinates40.9142°N, 90.6431°W
County FIPS17187
It is classified as Nonmetro — Urban 2.5K–20K, adjacent. 18.7% of residents hold a bachelor's degree or higher (45% below US avg). In the 2024 election, the county voted Republican by a 25.1-point margin.

2024 Presidential Election (County)

R 61.6%
D 36.5%

Winner: Republican by 25.1 points

Education

Bachelor's Degree+18.7%
45% below US avg
High School+82.2%
School Test Score5.34
C Education Grade (2.5/5.0)

Urban-Rural Classification

RUCC Code 6Nonmetro — Urban 2.5K–20K, adjacent
Population Density2,074/sq mi
Total Area4.2 sq mi

Infrastructure & Services

EV Charging Stations1
Alt Fuel Stations4
Public Libraries4
Healthcare Facilities38
Restaurants39
Retail Stores46

Safety & Disasters

Fatal Crashes (County/yr)4
F Safety Grade (1.0/5.0)

Commute & Transportation

Avg Commute16.1 min
Work from Home5.8%

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