Iowa County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Iowa 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 Iowa County, Iowa. The most basic data is the total population, which is the total number of people living in Iowa County, Iowa. The estimated population of Iowa County, Iowa is 16,596 people, with a median age of 42.9.

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

Year Population Change 5-Year Change
2021
16,596
+2.73%
+2.25%
2020
16,155
 -0.21% -
2019
16,189
 -0.11% -
2018
16,207
 -0.15% -
2017
16,231
 - -

Population of Iowa 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
93.8%
95.6%
 -1.88%
Black/African American
0.4%
0.8%
 -50.00%
Native
0%
0%
 0.00%
Hispanic
3.1%
2.5%
 +24.00%
Asian
0.2%
0.2%
 0.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.5%
0.8%
 +212.50%
Other
0%
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 Iowa 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 42.9 +0.7% 43 +2.87% 42.9 -2.5%
2020 42.6 +2.16% 41.8 +3.21% 44 +2.56%
2019 41.7 -0.95% 40.5 -1.22% 42.9 -0.23%
2018 42.1 +0.72% 41 -0.73% 43 +1.18%
2017 41.8 - 41.3 - 42.5 -

The median age of Iowa 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 1,147 -2.88% 948 -14.06% 1,113 815
10 to 19 962 +10.57% 1,091 +7.45% 1,065 1,173
20 to 29 816 +8.46% 792 +2.55% 884 811
30 to 39 967 -6.06% 986 -7.07% 902 915
40 to 49 958 +3.28% 971 -1.58% 987 954
50 to 59 1,340 -0.94% 1,277 -2.73% 1,321 1,240
60 to 69 937 +24.65% 885 +14.06% 1,184 1,008
70+ 882 +7.25% 1,272 +0.56% 946 1,278

Median Household Income

The latest median household income of Iowa County, Iowa is $64,720.00.

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 Iowa County.

  • Under 25
    $41,477.00
  • 25 to 44
    $76,523.00
  • 45 to 64
    $84,615.00
  • 65 and over
    $44,815.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Iowa 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 Iowa County, Iowa is currently $84,645.00.

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.

4.24% of households in Iowa 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 Iowa County against other areas.

  • Less than $24,999
    13.90%
  • $25,000 to $49,999
    22.10%
  • $50,000 to $74,999
    19.31%
  • $75,000 to $99,999
    16.69%
  • $100,000 to $149,999
    17.59%
  • $150,000 to $199,999
    6.18%
  • $200,000 or more
    4.24%

Per Capita Income

The per capita income in Iowa County is $35,013.00.

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

This is different from the average or mean income because it includes and accounts for all people in Iowa 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 Iowa 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
    6.77%
  • Bachelor's degree
    26.59%
  • Some college or associate's degree
    12.27%
  • High school diploma or equivalent
    52.25%
  • Less than high school diploma
    2.12%

Employment

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

The total population of Iowa County over the age of 16 is 13,188.

Of those people, a total of 68.50% 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 Iowa County is 65.60%.

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 758 56.20% 20.20%
20 to 24 years 847 86.00% 12.50%
25 to 29 years 848 87.60% 1.40%
30 to 34 years 866 83.50% 4.30%
35 to 44 years 1,982 92.50% 1.80%
45 to 54 years 2,147 86.40% 1.70%
55 to 59 years 1,324 86.50% 2.30%
60 to 64 years 1,308 65.10% 1.20%
65 to 74 years 1,678 37.70% 5.40%
75 years and over 1,430 6.90% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Iowa 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 12,687 68.20% 4.10%
Black or African American 112 91.10% 0.00%
American Indian and Alaska Native 7 57.10% 0.00%
Asian 29 75.90% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 55 72.70% 0.00%
Two or more races 298 72.80% 0.00%
Hispanic or Latino 322 85.40% 0.00%
Not Hispanic or Latino 12,477 67.90% 4.20%

Occupations

In this section we can look at the most common occupations in Iowa 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 Iowa County is 8,647, with median earnings of $41,697.00.

Women in Iowa County, Iowa earning approximately 70.20% of the men's earnings.

Population Earnings
Total 8,647 $41,697.00
Male 4,530 $50,332.00
Female 4,117 $35,354.00

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 1,167 $67,232.00
Business and Financial 327 $50,365.00
Computer and Mathematical 145 $63,750.00
Architecture and Engineering 102 $91,591.00
Life, Physical, and Social Science 57 $48,672.00
Community and Social Service 202 $48,333.00
Legal 80 $36,071.00
Educational and Library 497 $44,417.00
Arts, Design, Entertainment, Sports, and Media 42 $36,667.00
Healthcare Practitioners 497 $54,574.00
Healthcare Support 228 $24,063.00
Firefighters and Protective Service 109 $45,443.00
Law Enforcement 39 $72,938.00
Food Preparation and Serving 381 $20,746.00
Building and Grounds Cleaning 457 $21,422.00
Personal Care and Service 232 $4,518.00
Sales 673 $31,495.00
Office and Administrative Support 721 $36,003.00
Farming, Fishing, and Forestry 129 $31,607.00
Construction and Extraction 467 $44,688.00
Installation, Maintenance, and Repair 520 $54,184.00
Production 904 $44,821.00
Transportation and Material Moving 372 $45,500.00

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 758 $64,342.00 409 $70,481.00
Business and Financial 50 $69,286.00 277 $42,298.00
Computer and Mathematical 93 $70,139.00 52 $47,917.00
Architecture and Engineering 99 $91,932.00 3 $0.00
Life, Physical, and Social Science 25 $52,625.00 32 $48,594.00
Community and Social Service 15 $77,656.00 187 $48,194.00
Legal 9 $0.00 71 $24,850.00
Educational and Library 155 $76,094.00 342 $39,231.00
Arts, Design, Entertainment, Sports, and Media 35 $37,083.00 7 $0.00
Healthcare Practitioners 71 $73,015.00 426 $53,636.00
Healthcare Support 10 $0.00 218 $23,542.00
Firefighters and Protective Service 72 $46,146.00 37 $0.00
Law Enforcement 39 $72,938.00 0 $0.00
Food Preparation and Serving 123 $26,127.00 258 $18,770.00
Building and Grounds Cleaning 347 $26,250.00 110 $19,091.00
Personal Care and Service 23 $26,250.00 209 $4,172.00
Sales 261 $47,375.00 412 $23,500.00
Office and Administrative Support 106 $47,500.00 615 $35,908.00
Farming, Fishing, and Forestry 104 $43,750.00 25 $25,313.00
Construction and Extraction 463 $44,805.00 4 $0.00
Installation, Maintenance, and Repair 476 $55,167.00 44 $31,571.00
Production 633 $47,415.00 271 $39,075.00
Transportation and Material Moving 352 $47,167.00 20 $13,333.00

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 6,765 households in Iowa County, with an average household size of 2.41 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 4,439 families in Iowa County with an average family size of 2.96 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 3,676 305 458 2,326
Average Household Size 2.95 3.56 3.4 1.21
Total Families 3,676 305 458 0
Average Household Size 2.92 3.18 3.11 0

Poverty

Of the 4,439 families in Iowa County, 6.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Iowa 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 7,346 housing units in Iowa County, Iowa.

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

Total Percentage
Occupied 6,765 92.09%
Vacant 581 7.91%

18.27% of the total 7,346 housing units in Iowa County are rental units. This is approximately 1,342 properties.

For owner-occupied housing units, a total of 5,324 are occupied by the owner - or 72.47% of the total.

Rental Rates

The median rent for a property in Iowa County is $650.00.

In the chart below, we can look at the number of rental properties in Iowa 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
    99
  • Less than $500
    292
  • $500 to $999
    878
  • $1,000 to $1,499
    131
  • $1,500 to $1,999
    18
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    17
  • $3,000 or more
    6

Property Value

The median value of a property in Iowa County is $155,900.00.

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

  • Less than $50,000
    386
  • $50,000 to $99,999
    988
  • $100,000 to $149,999
    1,124
  • $150,000 to $199,999
    1,179
  • $200,000 to $299,999
    864
  • $300,000 to $499,999
    607
  • $500,000 to $999,999
    140
  • $1,000,000 or more
    36

Property Age

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

  • 1939 or earlier
    2,251
  • 1940 to 1949
    369
  • 1950 to 1959
    443
  • 1960 to 1969
    630
  • 1970 to 1979
    1,118
  • 1980 to 1989
    527
  • 1990 to 1999
    841
  • 2000 to 2009
    870
  • 2010 to 2013
    297
  • 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 Iowa County that have a particular number of vehicles available.

  • No vehicles available
    219
  • 1 vehicle available
    1,570
  • 2 vehicles available
    2,592
  • 3 or more vehicles available
    2,384

Commuting to Work

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

23.9 minutes is the average travel time to work for people in Iowa 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
    735
  • 5 to 9 minutes
    1,590
  • 10 to 14 minutes
    627
  • 15 to 19 minutes
    820
  • 20 to 24 minutes
    888
  • 25 to 29 minutes
    611
  • 30 to 34 minutes
    733
  • 35 to 39 minutes
    342
  • 40 to 44 minutes
    464
  • 45 to 59 minutes
    703
  • 60 to 89 minutes
    313
  • 90 or more minutes
    165

Summary

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

We have data for 30 places in Iowa County, Iowa. Click on a place below to see more information about the demographics of that place.