Marengo, Illinois Population 2024

7,625

Marengo Demographics

According to the most recent ACS, the racial composition of Marengo was:

  • White: 92.03%
  • Two or more races: 5.24%
  • Other race: 1.46%
  • Black or African American: 1.28%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
8.9 sq mi
Density (mi²)
856.60/sq mi
Growth Since 2020
0.93% (70)
The current population of Marengo, Illinois is 7,625 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 7,555.

Population by Race

Race
Population
Percentage (of total)
White6,55592.03%
Two or more races3735.24%
Other race1041.46%
Black or African American911.28%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Marengo Population by Race

Marengo Population Pyramid 2024

Marengo Median Age

33.3

Total

32.7

Male

33.9

Female

Marengo Adults

There are 5,307 adults, (1,186 of whom are seniors) in Marengo.

Marengo Age Dependency

72.8

Age Dependency Ratio

28.8

Old Age Dependency Ratio

44.1

Child Dependency Ratio

Marengo Sex Ratio

Female3,40247.76%
Male3,72152.24%

Marengo Population by Age

Marengo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,7962.5368.831.2
Married1,1043.5284.715.3
Non Family1,0741.1572.227.8
Female5083.0733.566.5
Male1103.4239.160.9

3.25

Average Family Size

2.53

Average Household Size

68.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marengo Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1773.81%
Associates Degree4088.78%
Bachelors Degree63113.58%
Graduate Degree1372.95%
High School Graduate1,83439.48%
Less Than 9th Grade1954.2%
Some College1,26327.19%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Marengo Educational Attainment by Sex (over 25)

Marengo Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White3,8663,688725
Hispanic67748342
2+ Races19215913
Other Race686829
Black29291

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 42.65%.

Marengo Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$80,461$83,125$80,066
Graduate Degree$87,232$0$0
High School Graduate$55,286$70,298$30,430
Less Than 9th Grade$32,434$31,184$37,966
Overall$56,276$71,089$37,808
Some College$50,529$71,017$29,186

$56,276

Average Earnings

$71,089

Average Male

$37,808

Average Female

Marengo Earnings by Educational Attainment

Marengo Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marengo Language

89.29% of Marengo residents speak only English, while 10.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.91% of the population.

Marengo Language

Marengo Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White5,96085914.41%
Multiple37321858.45%
Hispanic86810912.56%
Black912123.08%

15.55%

Overall Poverty Rate

10.03%

Male Poverty Rate

21.65%

Female Poverty Rate

Poverty in Marengo

The race most likely to be in poverty in Marengo is Multiple, with 58.45% below the poverty level.

The race least likely to be in poverty in Marengo is Hispanic, with 12.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.7%. Among those working part-time, it was 10.96%, and for those that did not work, the poverty rate was 22.04%.

Marengo Poverty

rate

Rate
Poverty
Less Than 9th Grade33.8%
Some College16.79%
High School6.75%
Bachelors or Greater1.31%

Marengo Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed44.78%
Male Unemployed24.31%
Female Employed12.43%
Male Employed2.66%

Marengo Poverty Rate by Employment Status and Sex

Marengo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$112,866$106,243
Households$72,586$88,436
Married Families$132,681$-999,999,999
Non Families$34,602$50,516

mean

median

Income by Household Type

Marengo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.8%

Overall Marriage Rate

42.4%

Male Marriage Rate

43.3%

Female Marriage Rate

Marengo Married by Age and Sex

male

female

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 45-54.

Marengo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marengo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

229

Number of Veterans

229

Male Veterans

0

Female Veterans

War
Veterans
Vietnam86
Korea36
Second Gulf War12
First Gulf War12
World War II0

Marengo Veterans by War

count

Age Group
Veterans
75+141
65 to 7441
55 to 6430
35 to 5417
18 to 340

Marengo Veterans by Age

count

Name
Veterans
% of Total
White2294.58%
Hispanic263.84%

Marengo Veterans by Race

Marengo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

69%

Veteran Disability Rate

Marengo Veterans by Education

LaborForceParticipation

66.8%

Labor Force Participation

60.6%

Employment Rate

8.8%

Unemployment Rate

Marengo Employment by Age

LaborForceParticipation

Marengo Employment by Race

LaborForceParticipation

Marengo Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

81.19%

Born in Marengo

94.3%

Native Born

5.7%

Foreign Born

2.65%

Non Citizen

3.05%

Naturalized

Place of Birth

94.3% of Marengo residents were born in the United States, with 81.19% having been born in Illinois. 2.65% 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: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20297,714180.23%
20287,696180.23%
20277,678170.22%
20267,661180.24%
20257,643180.24%
20247,625170.22%
20237,608480.63%
20227,560-21-0.28%
20217,581260.34%
20207,5551201.61%
20197,435-34-0.46%
20187,46910.01%
20177,468-10-0.13%
20167,478-38-0.51%
20157,516-26-0.34%
20147,542-28-0.37%
20137,570-47-0.62%
20127,617-26-0.34%
20117,643-29-0.38%
20107,67200%
20006,3551,58733.28%
19904,7684079.33%
19804,3611262.98%
19704,23566718.69%
19603,56884230.89%
19502,726-4,988-64.66%

Marengo Population by Year