Marengo, Illinois Population 2022

7,552
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Marengo is a city located in McHenry County Illinois. With a 2020 population of 7,552, it is the 276th largest city in Illinois and the 5058th largest city in the United States. Marengo is currently declining at a rate of -0.11% annually and its population has decreased by -4.05% since the most recent census, which recorded a population of 7,871 in 2020. Spanning over 8 miles, Marengo has a population density of 957 people per square mile.

The average household income in Marengo is $80,315 with a poverty rate of 14.65%. The median rental costs in recent years comes to $901 per month, and the median house value is $157,000. The median age in Marengo is 36.7 years, 36.4 years for males, and 36.9 years for females.

Marengo Demographics

According to the most recent ACS, the racial composition of Marengowas:

  • White: 96.15%
  • Black or African American: 2.17%
  • Other race: 0.98%
  • Two or more races: 0.70%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Marengo, Illinois is 7,552 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 7,871.

Marengo, Illinois Population 2022

Population by Race

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Marengo Population by Race

Marengo Population Pyramid 2022

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Marengo Median Age

32.5


Total

30.1


Male

33.9


Female

Marengo Adults

There are 5,782 adults, (1,174 of whom are seniors) in Marengo.

Marengo Age Dependency

Age Dependency Ratio

25.5

Old Age Dependency Ratio

45.3

Child Dependency Ratio

Marengo Sex Ratio

Female

4,093

52.00%

Male

3,778

48.00%

Marengo Population by Age

Marengo Renter vs Owner Occupied by Household Type

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Marengo Household Types

63.2%

Rate of Home Ownership

Marengo Households and Families

3.1

Average Family Size

2.63

Average Household Size

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Marengo Households by Type

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Marengo Educational Attainment by Sex (over 25)

Marengo Educational Attainment by Race

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The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 19.37%.

Marengo Educational Attainment by Race

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$41,914

Average Earnings

$58,203

Average Male

$24,666

Average Female

Marengo Earnings by Educational Attainment

Marengo Language by Age

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Marengo Language

88.02% of Marengo residents speak only English, while 11.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.15% of the population.

Marengo Language

Marengo Poverty by Race

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14.65%

Overall Poverty Rate

9.81%

Male Poverty Rate

19.18%

Female Poverty Rate

Poverty in Marengo

The race most likely to be in poverty in Marengo is Black, with 40.74% below the poverty level.

The race least likely to be in poverty in Marengo is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.55%. Among those working part-time, it was 16.64%, and for those that did not work, the poverty rate was 22.17%.

Marengo Poverty

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Marengo Poverty Rate by Education

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Marengo Poverty Rate by Employment Status and Sex

Marengo Income by Household Type

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Income by Household Type

Marengo Marital Status

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Marriage Rates

44.2%

Overall Marriage Rate

47.1%

Male Marriage Rate

41.6%

Female Marriage Rate

Marengo Married by Age and Sex

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Marengo Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Marengo Marital Status by Race

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Marengo Marital Status

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450

Number of Veterans

Male Veterans

Female Veterans

Marengo Veterans by War

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Marengo Veterans by Age

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Marengo Veterans by Race

Marengo Veterans by Education

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0.00%

Veteran Poverty Rate

43.11%

Veteran Disability Rate

Marengo Veterans by Education

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69.6%

Labor Force Participation

65.9%

Employment Rate

5.3%

Unemployment Rate

Marengo Employment by Age

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Marengo Employment by Race

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Marengo Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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77.50%

Born in Marengo

91.95%

Native Born

8.05%

Foreign Born

2.86%

Non Citizen

5.20%

Naturalized

Place of Birth

91.95% of Marengo residents were born in the United States, with 77.50% having been born in Illinois. 2.86% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Marengo Place of Birth

Note: 2021 and 2022 data is projected

Marengo Population by Year