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Marengo, IL

Full City Profile · Illinois · McHenry County County

2.9 /5.0
C+ Fair
7,123 Population 800/sq mi density
$72,586 Median Income $35,638 per capita
$206,100 Home Value $345,185 Zillow
$1,077 Median Rent 33.7% income on rent
48°F Avg Temperature 260 sunny days/yr
173 Violent Crime/100K 933 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$72,586 median income, 5.8% unemployment
A+
Affordability
5.0 / 5.0
$206,100 home value, $1,077/mo rent
F
Safety
1.0 / 5.0
173 violent crimes/100K
C
Education
2.3 / 5.0
16.5% bachelor's degree or higher

Marengo, IL

At a Glance

Median Income
$72,586
3% below
$35,638 per capita
Home Value
$206,100
27% below
Zillow: $345,185
Median Rent
$1,077/mo
7% below
33.7% of income on rent
Violent Crime
173/100K
54% below
933/100K property
Bachelor's Degree+
16.5%
51% below
92.0% high school+
Unemployment
5.8%
61% above
17.2% poverty rate
Obesity Rate
33.9%
6% above
13.4% smoking rate
Avg Temperature
48°F
260 sunny days/yr

How Marengo Compares to the U.S. Average

Each bar shows Marengo's value as a percentage of the national average (100% = U.S. avg)

Income
97%
Home Value
73%
Rent
93%
Poverty
139%
Bachelor's
49%
Unemployment
161%
Crime
46%
Thin vertical line = U.S. national average (100%)

Is Marengo a Good Place to Live?

C+
2.9 / 5.0 — Fair
Based on economy, affordability, safety, and education metrics compared to national averages.

Economy & Jobs

Marengo residents earn a median household income of $72,586 , which is 3% below the national average of $75,149. Per capita income is $35,638. The unemployment rate stands at 5.8% (61% above the U.S. rate of 3.6%). 17.2% of residents live below the poverty line. The area is home to 7,928 business establishments, including 645 restaurants.

Housing & Cost of Living

The median home value in Marengo is $206,100 , 27% below the national median of $281,900. Zillow estimates the typical home at $345,185. Median rent is $1,077/month, with 33.7% of renters spending more than 30% of income on housing. The cost of living index is 100.0 (100 = national average). The median home was built in 1972.

Safety & Crime

Marengo reports 173 violent crimes per 100,000 residents , which is 54% below the national average of 380/100K. Property crime is 933/100K. The murder rate is 0.0/100K.

Education

16.5% of adults in Marengo hold a bachelor's degree or higher (51% below the national average). 92.0% have completed high school. Local schools score 6.2/10 in standardized testing.

Climate & Weather

Marengo has an average annual temperature of 48°F (9°C). Winters average 21°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.6 inches. Air quality is rated Good with a median AQI of 43.

Data Overview

People

Population7,123
Median Age33.3 yrs
Density800/mi²
Male / Female52% / 48%
Foreign Born13.6%
Veterans4.3%

Economy

B
Median Income$72,586
Per Capita$35,638
Unemployment5.8%
Poverty17.2%
County GDP$15,983M
Avg Weekly Wage$1,060

Housing

A+
Home Value$206,100
Rent$1,077
Ownership68.8%
Zillow$345,185
Housing Units3,072
Rent Burden33.7%

Crime

F
Violent173/100K
Property933/100K
Murder0.0/100K
Assault160/100K
Burglary120/100K

Health

Obesity33.9%
Diabetes9.7%
Smoking13.4%
Heart Disease5.2%
Premature Death5,730/100K

Climate

Avg Temp48°F
Sunny Days260/yr
Rain37.6 in/yr
AQI43 (Good)
Elevation822 ft

Education

C
Bachelor's+16.5%
High School+92.0%
Graduate+4.8%
School Score6.2/10

Community

2024 VoteR 52% / D 47%
Commute28 min
Broadband92.6%
Internet Speed124 Mbps
EV Stations1
Libraries13

Did You Know?

The median home in Marengo was built in 1972.
The nearest airport is Chicago/Rockford International (26 miles).
The Gini coefficient (income inequality) is 0.411 (U.S. avg: 0.490).
Natural hazard risk is rated "Relatively Moderate" by FEMA.
9.9% of the population has a disability.
13.6% of residents are foreign-born.
Average internet download speed is 124 Mbps.
There are 645 restaurants in the area.
The county recorded 18 fatal vehicle crashes.