Carroll County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Carroll County, 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 Carroll County, Iowa. The most basic data is the total population, which is the total number of people living in Carroll County, Iowa. The estimated population of Carroll County, Iowa is 20,756 people, with a median age of 42.

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

Year Population Change 5-Year Change
2021
20,756
+3.01%
+1.61%
2020
20,150
 -0.65% -
2019
20,281
 -0.31% -
2018
20,344
 -0.41% -
2017
20,428
 - -

Population of Carroll County, 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
93.5%
95.3%
 -1.89%
Black/African American
0.3%
1.5%
 -80.00%
Native
0%
0.1%
 -100.00%
Hispanic
2.9%
2.4%
 +20.83%
Asian
0.7%
0.2%
 +250.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.3%
0.7%
 +228.57%
Other
0.3%
0%
 0.00%

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 Carroll County, 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 42 -1.18% 39.4 -0.51% 44.2 -2.43%
2020 42.5 +1.19% 39.6 -1.98% 45.3 +4.38%
2019 42 +0.72% 40.4 -1.22% 43.4 +1.17%
2018 41.7 0% 40.9 +1.49% 42.9 -2.94%
2017 41.7 - 40.3 - 44.2 -

The median age of Carroll County, 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 1,402 +0.98% 1,391 -8.67% 1,415 1,272
10 to 19 1,505 -1.02% 1,188 +5.33% 1,461 1,241
20 to 29 1,004 +23.56% 1,028 +9.81% 1,253 1,128
30 to 39 1,074 +8.45% 1,196 -20.58% 1,164 968
40 to 49 1,179 -7.16% 1,062 +10.8% 1,088 1,179
50 to 59 1,568 -7.41% 1,544 -3.18% 1,454 1,483
60 to 69 1,152 +22.81% 1,207 +13.49% 1,436 1,376
70+ 1,168 -3.4% 1,760 -2.84% 1,128 1,710

Median Household Income

The latest median household income of Carroll County, Iowa is $61,157.00.

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 Carroll County.

  • Under 25
    $50,326.00
  • 25 to 44
    $70,147.00
  • 45 to 64
    $72,875.00
  • 65 and over
    $40,417.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Carroll County, 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 Carroll County, Iowa is currently $76,233.00.

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.

3.61% of households in Carroll County 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 Carroll County against other areas.

  • Less than $24,999
    17.97%
  • $25,000 to $49,999
    22.74%
  • $50,000 to $74,999
    19.35%
  • $75,000 to $99,999
    13.81%
  • $100,000 to $149,999
    16.66%
  • $150,000 to $199,999
    5.87%
  • $200,000 or more
    3.61%

Per Capita Income

The per capita income in Carroll County is $33,416.00.

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

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

Education Levels

We can also look at the education levels in Carroll County 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
    6.05%
  • Bachelor's degree
    27.14%
  • Some college or associate's degree
    14.39%
  • High school diploma or equivalent
    51.06%
  • Less than high school diploma
    1.37%

Employment

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

The total population of Carroll County over the age of 16 is 16,400.

Of those people, a total of 67.60% 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 Carroll County is 66.00%.

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 1,033 65.10% 0.70%
20 to 24 years 1,282 90.00% 2.90%
25 to 29 years 1,099 82.80% 5.10%
30 to 34 years 1,024 95.80% 1.70%
35 to 44 years 2,319 88.00% 3.60%
45 to 54 years 2,436 87.90% 0.50%
55 to 59 years 1,557 88.50% 3.20%
60 to 64 years 1,509 66.00% 1.50%
65 to 74 years 2,186 30.90% 1.30%
75 years and over 1,955 7.10% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Carroll County. 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 15,428 66.90% 2.30%
Black or African American 57 100.00% 8.80%
American Indian and Alaska Native 89 51.70% 0.00%
Asian 130 99.20% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 132 78.80% 0.00%
Two or more races 564 76.80% 2.30%
Hispanic or Latino 392 60.50% 1.70%
Not Hispanic or Latino 15,347 66.90% 2.30%

Occupations

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

The total population of civilian employees that are 16 years old or older in Carroll County is 10,832, with median earnings of $39,464.00.

Women in Carroll County, Iowa earning approximately 69.00% of the men's earnings.

Population Earnings
Total 10,832 $39,464.00
Male 5,773 $46,574.00
Female 5,059 $32,123.00

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 1,223 $55,022.00
Business and Financial 384 $65,750.00
Computer and Mathematical 79 $73,750.00
Architecture and Engineering 91 $78,125.00
Life, Physical, and Social Science 103 $75,114.00
Community and Social Service 190 $48,750.00
Legal 30 $102,656.00
Educational and Library 520 $42,237.00
Arts, Design, Entertainment, Sports, and Media 190 $11,893.00
Healthcare Practitioners 590 $46,935.00
Healthcare Support 587 $25,558.00
Firefighters and Protective Service 46 $6,974.00
Law Enforcement 102 $68,300.00
Food Preparation and Serving 452 $7,463.00
Building and Grounds Cleaning 309 $31,141.00
Personal Care and Service 276 $14,464.00
Sales 953 $44,356.00
Office and Administrative Support 1,279 $35,786.00
Farming, Fishing, and Forestry 160 $51,750.00
Construction and Extraction 720 $32,143.00
Installation, Maintenance, and Repair 263 $38,047.00
Production 981 $36,528.00
Transportation and Material Moving 830 $43,226.00

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 856 $61,310.00 367 $52,614.00
Business and Financial 118 $76,912.00 266 $53,529.00
Computer and Mathematical 31 $103,295.00 48 $12,105.00
Architecture and Engineering 89 $78,138.00 2 $0.00
Life, Physical, and Social Science 97 $75,114.00 6 $0.00
Community and Social Service 51 $51,250.00 139 $47,813.00
Legal 26 $102,969.00 4 $0.00
Educational and Library 53 $42,813.00 467 $42,210.00
Arts, Design, Entertainment, Sports, and Media 31 $38,250.00 159 $11,694.00
Healthcare Practitioners 106 $53,641.00 484 $44,500.00
Healthcare Support 22 $33,958.00 565 $25,156.00
Firefighters and Protective Service 23 $45,781.00 23 $5,987.00
Law Enforcement 102 $68,300.00 0 $0.00
Food Preparation and Serving 140 $4,405.00 312 $13,246.00
Building and Grounds Cleaning 210 $35,000.00 99 $25,179.00
Personal Care and Service 0 $0.00 276 $14,464.00
Sales 630 $56,488.00 323 $22,067.00
Office and Administrative Support 257 $44,192.00 1,022 $33,045.00
Farming, Fishing, and Forestry 149 $54,063.00 11 $0.00
Construction and Extraction 698 $33,200.00 22 $0.00
Installation, Maintenance, and Repair 247 $38,125.00 16 $0.00
Production 666 $41,708.00 315 $32,970.00
Transportation and Material Moving 774 $43,495.00 56 $24,559.00

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 8,761 households in Carroll County, with an average household size of 2.33 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 5,449 families in Carroll County with an average family size of 2.99 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 4,325 285 839 3,312
Average Household Size 3.09 2.8 3.08 1.1
Total Families 4,325 285 839 0
Average Household Size 3.08 2.41 2.75 0

Poverty

Of the 5,449 families in Carroll County, 6.40% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Carroll County:

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 9,494 housing units in Carroll County, Iowa.

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

Total Percentage
Occupied 8,761 92.28%
Vacant 733 7.72%

20.88% of the total 9,494 housing units in Carroll County are rental units. This is approximately 1,982 properties.

For owner-occupied housing units, a total of 6,674 are occupied by the owner - or 70.30% of the total.

Rental Rates

The median rent for a property in Carroll County is $644.00.

In the chart below, we can look at the number of rental properties in Carroll County 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
    105
  • Less than $500
    493
  • $500 to $999
    1,297
  • $1,000 to $1,499
    126
  • $1,500 to $1,999
    39
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    27

Property Value

The median value of a property in Carroll County is $143,700.00.

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

  • Less than $50,000
    388
  • $50,000 to $99,999
    1,563
  • $100,000 to $149,999
    1,571
  • $150,000 to $199,999
    1,065
  • $200,000 to $299,999
    1,284
  • $300,000 to $499,999
    664
  • $500,000 to $999,999
    115
  • $1,000,000 or more
    24

Property Age

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

  • 1939 or earlier
    2,663
  • 1940 to 1949
    592
  • 1950 to 1959
    972
  • 1960 to 1969
    1,100
  • 1970 to 1979
    1,502
  • 1980 to 1989
    938
  • 1990 to 1999
    601
  • 2000 to 2009
    832
  • 2010 to 2013
    289
  • 2014 or later
    5

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 Carroll County that have a particular number of vehicles available.

  • No vehicles available
    595
  • 1 vehicle available
    2,585
  • 2 vehicles available
    3,438
  • 3 or more vehicles available
    2,143

Commuting to Work

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

14 minutes is the average travel time to work for people in Carroll County.

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
    1,513
  • 5 to 9 minutes
    3,018
  • 10 to 14 minutes
    1,802
  • 15 to 19 minutes
    1,391
  • 20 to 24 minutes
    824
  • 25 to 29 minutes
    310
  • 30 to 34 minutes
    594
  • 35 to 39 minutes
    54
  • 40 to 44 minutes
    86
  • 45 to 59 minutes
    139
  • 60 to 89 minutes
    187
  • 90 or more minutes
    137

Summary

We've covered a LOT of demographic and population data for Carroll County, 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.

Places in Carroll County, Iowa

We have data for 25 places in Carroll County, Iowa. Click on a place below to see more information about the demographics of that place.