Marengo, Illinois Population 2024

7,625

Marengo Demographics

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

  • White: 95.33%
  • Two or more races: 2.76%
  • Other race: 0.99%
  • Black or African American: 0.92%
  • 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)
White7,12295.33%
Two or more races2062.76%
Other race740.99%
Black or African American690.92%
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

31.1

Total

31.1

Male

31.1

Female

Marengo Adults

There are 5,629 adults, (1,044 of whom are seniors) in Marengo.

Marengo Age Dependency

62.9

Age Dependency Ratio

22.8

Old Age Dependency Ratio

40.2

Child Dependency Ratio

Marengo Sex Ratio

Female3,68549.32%
Male3,78650.68%

Marengo Population by Age

Marengo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,9182.5463.236.8
Married1,2863.4681.618.4
Non Family1,0241.0863.936.1
Female4442.9523.476.6
Male1643.32278

3.15

Average Family Size

2.54

Average Household Size

63.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marengo Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2785.81%
Associates Degree3437.17%
Bachelors Degree62513.06%
Graduate Degree2284.76%
High School Graduate1,74136.38%
Less Than 9th Grade1613.36%
Some College1,40929.45%

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
White3,9453,740733
Hispanic800570119
2+ Races132920
Other Race414115
Black20161

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

The highest rate of bachelors degrees is among other race people with a rate of 36.59%.

Marengo Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$70,705$71,441$61,328
Graduate Degree$97,279$157,744$95,515
High School Graduate$57,539$67,595$25,833
Less Than 9th Grade$32,552$29,946$37,604
Overall$49,950$67,118$32,356
Some College$48,374$68,526$29,145

$49,950

Average Earnings

$67,118

Average Male

$32,356

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

86.41% of Marengo residents speak only English, while 13.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.96% of the population.

Marengo Language

Marengo Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White6,11095315.6%
Hispanic1,17918215.44%
Multiple2065024.27%
Black652132.31%

15.74%

Overall Poverty Rate

10.05%

Male Poverty Rate

21.65%

Female Poverty Rate

Poverty in Marengo

The race most likely to be in poverty in Marengo is Black, with 32.31% below the poverty level.

The race least likely to be in poverty in Marengo is Hispanic, with 15.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.1%. Among those working part-time, it was 17.44%, and for those that did not work, the poverty rate was 24.16%.

Marengo Poverty

rate

Rate
Poverty
Less Than 9th Grade33.1%
Some College16.24%
High School10.73%
Bachelors or Greater3.2%

Marengo Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed76.92%
Male Unemployed28.63%
Female Employed10.9%
Male Employed4.51%

Marengo Poverty Rate by Employment Status and Sex

Marengo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$108,043$104,586
Households$71,196$87,595
Married Families$124,605$-999,999,999
Non Families$30,346$44,827

mean

median

Income by Household Type

Marengo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.9%

Overall Marriage Rate

46.9%

Male Marriage Rate

44.9%

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 35-44.

Marengo Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marengo Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

379

Number of Veterans

379

Male Veterans

0

Female Veterans

War
Veterans
Vietnam128
Second Gulf War80
First Gulf War42
Korea41
World War II0

Marengo Veterans by War

count

Age Group
Veterans
75+119
55 to 6475
65 to 7473
18 to 3465
35 to 5447

Marengo Veterans by Age

count

Name
Veterans
% of Total
White3796.99%
Hispanic242.75%

Marengo Veterans by Race

Marengo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

38.26%

Veteran Disability Rate

Marengo Veterans by Education

LaborForceParticipation

68.4%

Labor Force Participation

63.3%

Employment Rate

7.1%

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

77.91%

Born in Marengo

91.62%

Native Born

8.38%

Foreign Born

3.08%

Non Citizen

5.3%

Naturalized

Place of Birth

91.62% of Marengo residents were born in the United States, with 77.91% having been born in Illinois. 3.08% 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