Marengo, Iowa County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Marengo, Iowa, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Marengo, Iowa. The most basic data is the total population, which is the total number of people living in Marengo, Iowa. The estimated population of Marengo, Iowa is 2,714 people, with a median age of 41.9.

We can look at the total population in Marengo over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
2,714
+12.75%
-2.02%
2020
2,407
-3.06% -
2019
2,483
-5.23% -
2018
2,620
-5.42% -
2017
2,770
- -

Population of Marengo, Iowa by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
94%
89.6%
+4.91%
Black/African American
0.3%
1.4%
-78.57%
Native
0%
0%
0.00%
Hispanic
3.4%
7.3%
-53.42%
Asian
0.3%
0%
0.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
2%
1.4%
+42.86%
Other
0%
0.2%
-100.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Marengo, Iowa by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 41.9 +3.71% 39.9 +2.05% 43.6 +1.87%
2020 40.4 +1.51% 39.1 +5.68% 42.8 +4.9%
2019 39.8 -1.24% 37 -0.27% 40.8 -7.9%
2018 40.3 +5.5% 37.1 +3.92% 44.3 +9.11%
2017 38.2 - 35.7 - 40.6 -

The median age of Marengo, Iowa gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 172 -21.64% 165 -19.07% 135 128
10 to 19 249 -37.31% 217 +18.06% 150 238
20 to 29 163 +10.36% 143 -10.33% 173 128
30 to 39 188 -6.33% 147 +12.7% 175 163
40 to 49 121 +41.87% 186 -2.2% 172 175
50 to 59 203 -6.02% 202 5.57% 159 194
60 to 69 102 +65.83% 145 +28.55% 172 190
70+ 158 -25.11% 209 +18.73% 120 242

Median Household Income

The latest median household income of Marengo, Iowa is $58,804.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Marengo.

  • Under 25
    $64,643.00
  • 25 to 44
    $71,750.00
  • 45 to 64
    $56,635.00
  • 65 and over
    $43,958.00

Average Household Income

Whenever we ask what is the average household income in Marengo, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Marengo, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Marengo, Iowa is currently $67,572.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

3.15% of households in Marengo are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Marengo against other areas.

  • Less than $24,999
    17.81%
  • $25,000 to $49,999
    24.46%
  • $50,000 to $74,999
    21.49%
  • $75,000 to $99,999
    14.30%
  • $100,000 to $149,999
    18.26%
  • $150,000 to $199,999
    0.54%
  • $200,000 or more
    3.15%

Per Capita Income

The per capita income in Marengo is $28,989.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Marengo by the total population of Marengo.

This is different from the average or mean income because it includes and accounts for all people in Marengo, Iowa, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Marengo to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    3.94%
  • Bachelor's degree
    13.26%
  • Some college or associate's degree
    13.51%
  • High school diploma or equivalent
    65.44%
  • Less than high school diploma
    3.86%

Employment

Employment rates are all based around the total population in Marengo that are over the age of 16.

The total population of Marengo over the age of 16 is 2,163.

Of those people, a total of 66.20% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Marengo is 64.00%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 100 70.00% 40.00%
20 to 24 years 134 85.10% 0.00%
25 to 29 years 167 73.70% 0.00%
30 to 34 years 136 92.60% 5.60%
35 to 44 years 394 90.40% 3.10%
45 to 54 years 278 79.10% 0.00%
55 to 59 years 230 77.40% 0.00%
60 to 64 years 177 65.00% 0.00%
65 to 74 years 370 31.10% 0.00%
75 years and over 177 7.90% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Marengo. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 2,054 66.80% 3.40%
Black or African American 8 0.00% 0.00%
American Indian and Alaska Native 4 100.00% 0.00%
Asian 7 0.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 26 100.00% 0.00%
Two or more races 64 45.30% 0.00%
Hispanic or Latino 65 73.80% 0.00%
Not Hispanic or Latino 2,028 67.10% 3.40%

Occupations

In this section we can look at the most common occupations in Marengo as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Marengo is 1,385, with median earnings of $39,858.00.

Women in Marengo, Iowa earning approximately 73.90% of the men's earnings.

Population Earnings
Total 1,385 $39,858.00
Male 680 $48,906.00
Female 705 $36,118.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 129 $53,173.00
Business and Financial 45 $50,208.00
Computer and Mathematical 30 $49,500.00
Architecture and Engineering 15 $0.00
Life, Physical, and Social Science 0 $0.00
Community and Social Service 25 $68,594.00
Legal 35 $0.00
Educational and Library 64 $65,000.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00
Healthcare Practitioners 80 $43,611.00
Healthcare Support 61 $27,656.00
Firefighters and Protective Service 5 $0.00
Law Enforcement 33 $73,313.00
Food Preparation and Serving 92 $19,667.00
Building and Grounds Cleaning 58 $12,368.00
Personal Care and Service 23 $4,417.00
Sales 93 $9,519.00
Office and Administrative Support 149 $44,250.00
Farming, Fishing, and Forestry 19 $3,393.00
Construction and Extraction 49 $65,795.00
Installation, Maintenance, and Repair 89 $62,279.00
Production 209 $38,646.00
Transportation and Material Moving 23 $42,292.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 63 $31,042.00 66 $59,375.00
Business and Financial 0 $0.00 45 $50,208.00
Computer and Mathematical 19 $59,107.00 11 $0.00
Architecture and Engineering 15 $0.00 0 $0.00
Life, Physical, and Social Science 0 $0.00 0 $0.00
Community and Social Service 8 $0.00 17 $0.00
Legal 0 $0.00 35 $0.00
Educational and Library 37 $76,964.00 27 $46,250.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00 0 $0.00
Healthcare Practitioners 5 $0.00 75 $43,958.00
Healthcare Support 0 $0.00 61 $27,656.00
Firefighters and Protective Service 5 $0.00 0 $0.00
Law Enforcement 33 $73,313.00 0 $0.00
Food Preparation and Serving 40 $30,556.00 52 $12,206.00
Building and Grounds Cleaning 40 $11,731.00 18 $26,500.00
Personal Care and Service 0 $0.00 23 $4,417.00
Sales 39 $9,107.00 54 $9,609.00
Office and Administrative Support 25 $34,792.00 124 $44,500.00
Farming, Fishing, and Forestry 19 $3,393.00 0 $0.00
Construction and Extraction 49 $65,795.00 0 $0.00
Installation, Maintenance, and Repair 89 $62,279.00 0 $0.00
Production 128 $43,333.00 81 $35,625.00
Transportation and Material Moving 23 $42,292.00 0 $0.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 1,112 households in Marengo, with an average household size of 2.38 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 637 families in Marengo with an average family size of 3.17 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 491 49 97 475
Average Household Size 3.22 4.1 3.14 1.19
Total Families 491 49 97 0
Average Household Size 3.18 3.43 2.99 0

Poverty

Of the 637 families in Marengo, 5.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Marengo:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 1,255 housing units in Marengo, Iowa.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 1,112 88.61%
Vacant 143 11.39%

21.99% of the total 1,255 housing units in Marengo are rental units. This is approximately 276 properties.

For owner-occupied housing units, a total of 823 are occupied by the owner - or 65.58% of the total.

Rental Rates

The median rent for a property in Marengo is $600.00.

In the chart below, we can look at the number of rental properties in Marengo that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    13
  • Less than $500
    106
  • $500 to $999
    145
  • $1,000 to $1,499
    25
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Marengo is $100,100.00.

Just like with rental rates, we can look at the number of properties in Marengo that fall into a particular value range.

  • Less than $50,000
    67
  • $50,000 to $99,999
    344
  • $100,000 to $149,999
    219
  • $150,000 to $199,999
    94
  • $200,000 to $299,999
    93
  • $300,000 to $499,999
    6
  • $500,000 to $999,999
    0
  • $1,000,000 or more
    0

Property Age

We can also look at the age of properties in Marengo. The chart below shows the number of properties in Marengo that fall into a particular age range.

  • 1939 or earlier
    541
  • 1940 to 1949
    72
  • 1950 to 1959
    53
  • 1960 to 1969
    65
  • 1970 to 1979
    243
  • 1980 to 1989
    73
  • 1990 to 1999
    130
  • 2000 to 2009
    64
  • 2010 to 2013
    14
  • 2014 or later
    0

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Marengo that have a particular number of vehicles available.

  • No vehicles available
    69
  • 1 vehicle available
    263
  • 2 vehicles available
    495
  • 3 or more vehicles available
    285

Commuting to Work

In this section, we can also look at how people in Marengo get to work. The chart below shows the number of people in Marengo that commute to work in a particular way.

23.1 minutes is the average travel time to work for people in Marengo.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    163
  • 5 to 9 minutes
    235
  • 10 to 14 minutes
    57
  • 15 to 19 minutes
    262
  • 20 to 24 minutes
    85
  • 25 to 29 minutes
    41
  • 30 to 34 minutes
    68
  • 35 to 39 minutes
    77
  • 40 to 44 minutes
    56
  • 45 to 59 minutes
    187
  • 60 to 89 minutes
    37
  • 90 or more minutes
    29

Summary

We've covered a LOT of demographic and population data for Marengo, Iowa in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.