United States › Illinois › Marengo CITY · 2020 ACS
Marengo Illinois · 7,568 residents · 8.90 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Marengo is a city of 7,568 people in Illinois. Four-year degrees are less common here than nationally, at 18% of adults. The typical home is worth $157,000. The population is up 19% since 2000. Owners hold 69% of the housing stock. 8% of residents were born outside the United States.
At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 37.9
US median: 38.8
Less educated
18% hold a bachelor's degree
US average: 33%
More affordable
home values down 24%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 33.5 in 2000
US average: 38.8
Population, 1990 – 2024
4K 6K 7K 8K 9K 1990 2000 2010 2020 2024 Marengo Age distribution, 2020
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Section 02
Income & economy $69,688
−8%inflation adjusted, since 2000
from $50,214 in 2000
US average: $66,278
from $22,225 in 2000
US average: $35,364
Households earning $100K+
from 40.9% in 2009
US average: 43.9%
from 4.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 3.2%
Agriculture, forestry, fishing 2.5%
Transportation & warehousing 2.5%
Public administration 2.1%
Arts, entertainment, food 0.7%
Education & health services 0.2%
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$157,000
−24%inflation adjusted, since 2000
from $137,700 in 2000
US average: $265,253
$901
−7%inflation adjusted, since 2000
from $645 in 2000
US average: $1,124
from 65.4% in 2000
31.4% rent
from 2.75 people in 2009
US average: 2.61
from 3.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 85.6%(5,441)
Hispanic / Latino 13%(826)
2020
White, non-Hispanic 76.1%(5,758)
Hispanic / Latino 18.2%(1,381)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 15 more ancestry groups with data from 14.0% in 2000
US average: 32.9%
High school or higher
from 85.7% in 2000
US average: 88.5%
from 4.0% in 2000
US average: 12.7%
Section 06
Commute & transportation from 22.2 min in 2000
US average: 26.9
from 85.3% in 2009
US average: 75.1%
from 3.3% in 2009
US average: 8.4%
Section 07
Work & employment from 9.2% in 2011
US average: 5.4%
from 68.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 30.1% in 2009
US average: 39.3%
Section 08
People & community from 7.5% in 2009
US average: 13.5%
from 8.9% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 39.7%(1,081)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 8.9% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 21.3%(96)
Share of the 450 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Marengo, Illinois? Marengo, Illinois has about 7,568 residents according to the 2020 American Community Survey.
What is the median household income in Marengo, Illinois? The typical household in Marengo, Illinois earns about $69,688 a year. Half of households make more than that, and half make less.
Is Marengo, Illinois expensive? In Marengo, Illinois, the median home is worth about $157,000, and the typical rent is about $901 a month.
How educated are people in Marengo, Illinois? About 17.9% of adults age 25 and over in Marengo, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Marengo, Illinois? About 14.7% of people in Marengo, Illinois live below the federal poverty line.
Has Marengo, Illinois grown since 1990? Yes, Marengo, Illinois has grown since 1990. The population has added about 2,800 residents, a change of about 59 percent over that period.
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