Marengo, Iowa Population 2024

2,392

Marengo Demographics

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

  • White: 93.85%
  • Two or more races: 2.67%
  • Other race: 1.85%
  • Black or African American: 1.24%
  • Native American: 0.21%
  • Asian: 0.18%
  • Native Hawaiian or Pacific Islander: 0%
State
Iowa
Land Area (mi²)
2.1 sq mi
Density (mi²)
1,130.90/sq mi
Growth Since 2020
-1.89% (-46)
The current population of Marengo, Iowa is 2,392 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 2,438.

Population by Race

Race
Population
Percentage (of total)
White2,63993.85%
Two or more races752.67%
Other race521.85%
Black or African American351.24%
Native American60.21%
Asian50.18%
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

39.3

Total

39.2

Male

39.4

Female

Marengo Adults

There are 2,149 adults, (546 of whom are seniors) in Marengo.

Marengo Age Dependency

75.4

Age Dependency Ratio

34.1

Old Age Dependency Ratio

41.4

Child Dependency Ratio

Marengo Sex Ratio

Female1,54955.09%
Male1,26344.91%

Marengo Population by Age

Marengo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,1442.3871.328.7
Non Family4801.259.640.4
Married4723.1785.614.4
Female1383.1152.247.8
Male544.061000

3.13

Average Family Size

2.38

Average Household Size

71.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marengo Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1316.69%
Associates Degree22111.29%
Bachelors Degree1537.82%
Graduate Degree663.37%
High School Graduate82041.9%
Less Than 9th Grade693.53%
Some College49725.4%

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
White1,7981,652211
Hispanic79448
2+ Races49470
Black35160
Other Race3300
Native American660
Asian550

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

The highest rate of bachelors degrees is among white people with a rate of 11.74%.

Marengo Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$63,724$64,875$63,421
Graduate Degree$0$0$0
High School Graduate$34,018$41,000$29,432
Less Than 9th Grade$0$67,614$0
Overall$41,989$51,094$33,833
Some College$44,318$54,940$34,306

$41,989

Average Earnings

$51,094

Average Male

$33,833

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

95.92% of Marengo residents speak only English, while 4.08% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.9% of the population.

Marengo Language

Marengo Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White2,52025910.28%
Black1919100%
Hispanic1181815.25%
Other521019.23%
Multiple7556.67%

11.08%

Overall Poverty Rate

11.06%

Male Poverty Rate

11.1%

Female Poverty Rate

Poverty in Marengo

The race most likely to be in poverty in Marengo is Black, with 100% below the poverty level.

The race least likely to be in poverty in Marengo is Multiple, with 6.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.46%. Among those working part-time, it was 10.03%, and for those that did not work, the poverty rate was 26.59%.

Marengo Poverty

rate

Rate
Poverty
Less Than 9th Grade30.81%
High School14.8%
Bachelors or Greater3.72%
Some College2.89%

Marengo Poverty Rate by Education

rate

Rate
Poverty
Female Employed7.85%
Male Employed1.91%
Male Unemployed0%
Female Unemployed0%

Marengo Poverty Rate by Employment Status and Sex

Marengo Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$67,679$81,172
Households$59,583$68,776
Married Families$86,786$-999,999,999
Non Families$39,800$49,169

mean

median

Income by Household Type

Marengo Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.8%

Overall Marriage Rate

49.2%

Male Marriage Rate

46.5%

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

148

Number of Veterans

127

Male Veterans

21

Female Veterans

War
Veterans
Vietnam61
Second Gulf War31
Korea17
First Gulf War16
World War II0

Marengo Veterans by War

count

Age Group
Veterans
65 to 7446
75+35
35 to 5429
18 to 3422
55 to 6416

Marengo Veterans by Age

count

Name
Veterans
% of Total
White1477.28%
2+ Races11.92%

Marengo Veterans by Race

Marengo Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

14.38%

Veteran Poverty Rate

40.41%

Veteran Disability Rate

Marengo Veterans by Education

LaborForceParticipation

67%

Labor Force Participation

65.1%

Employment Rate

2.8%

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

82.89%

Born in Marengo

96.76%

Native Born

3.24%

Foreign Born

2.63%

Non Citizen

0.6%

Naturalized

Place of Birth

96.76% of Marengo residents were born in the United States, with 82.89% having been born in Iowa. 2.63% 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
20292,335-12-0.51%
20282,347-11-0.47%
20272,358-11-0.46%
20262,369-12-0.5%
20252,381-11-0.46%
20242,392-12-0.5%
20232,404-16-0.66%
20222,420-9-0.37%
20212,429-9-0.37%
20202,438-27-1.1%
20192,46530.12%
20182,462-2-0.08%
20172,464-13-0.52%
20162,477-14-0.56%
20152,491-16-0.64%
20142,50720.08%
20132,50570.28%
20122,498-29-1.15%
20112,527-4-0.16%
20102,53100%
20002,5352008.57%

Marengo Population by Year