Iroquois County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Iroquois County, Illinois, 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 Iroquois County, Illinois. The most basic data is the total population, which is the total number of people living in Iroquois County, Illinois. The estimated population of Iroquois County, Illinois is 27,362 people, with a median age of 44.2.

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

Year Population Change 5-Year Change
2021
27,362
 -0.27% -3.85%
2020
27,437
 -1.35% -
2019
27,812
 -1.27% -
2018
28,169
 -1.01% -
2017
28,457
 - -

Population of Iroquois County, Illinois 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
89.1%
90.3%
 -1.33%
Black/African American
0.9%
1.1%
 -18.18%
Native
0.1%
0%
 0.00%
Hispanic
7.3%
6.6%
 +10.61%
Asian
0.3%
0.4%
 -25.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2%
1.1%
 +81.82%
Other
0.3%
0.4%
 -25.00%

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 Iroquois County, Illinois 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 44.2 -0.67% 43.1 +0.23% 45.4 -1.09%
2020 44.5 +0.23% 43 -0.23% 45.9 +0.66%
2019 44.4 -0.22% 43.1 +0.7% 45.6 0%
2018 44.5 +0.45% 42.8 -0.23% 45.6 +0.44%
2017 44.3 - 42.9 - 45.4 -

The median age of Iroquois County, Illinois 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 1,573 -1.42% 1,638 -3.04% 1,549 1,585
10 to 19 1,916 -6.19% 1,737 -1.63% 1,798 1,708
20 to 29 1,527 -5.06% 1,430 -9.41% 1,451 1,300
30 to 39 1,406 +2.3% 1,533 -7.57% 1,437 1,419
40 to 49 1,754 -7.49% 1,749 -2.33% 1,624 1,707
50 to 59 2,107 -15.8% 2,079 -12.89% 1,788 1,823
60 to 69 1,953 +7.06% 2,071 +0.35% 2,089 2,075
70+ 1,642 +2.37% 2,342 -0.41% 1,679 2,330

Median Household Income

The latest median household income of Iroquois County, Illinois is $58,481.00.

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 Iroquois County.

  • Under 25
    $35,518.00
  • 25 to 44
    $73,660.00
  • 45 to 64
    $66,752.00
  • 65 and over
    $40,233.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Iroquois 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 Iroquois County, Illinois is currently $72,196.00.

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.

2.96% of households in Iroquois 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 Iroquois County against other areas.

  • Less than $24,999
    20.60%
  • $25,000 to $49,999
    23.37%
  • $50,000 to $74,999
    18.40%
  • $75,000 to $99,999
    12.70%
  • $100,000 to $149,999
    17.19%
  • $150,000 to $199,999
    4.79%
  • $200,000 or more
    2.96%

Per Capita Income

The per capita income in Iroquois County is $29,929.00.

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

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

Education Levels

We can also look at the education levels in Iroquois 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
    6.20%
  • Bachelor's degree
    19.10%
  • Some college or associate's degree
    15.52%
  • High school diploma or equivalent
    55.37%
  • Less than high school diploma
    3.80%

Employment

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

The total population of Iroquois County over the age of 16 is 22,209.

Of those people, a total of 59.10% 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 Iroquois County is 55.80%.

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 1,487 45.90% 17.00%
20 to 24 years 1,391 78.40% 14.90%
25 to 29 years 1,360 82.60% 7.60%
30 to 34 years 1,395 83.80% 2.10%
35 to 44 years 3,163 84.40% 3.60%
45 to 54 years 3,331 77.20% 5.60%
55 to 59 years 1,909 72.70% 1.40%
60 to 64 years 2,373 58.20% 3.40%
65 to 74 years 3,190 27.60% 3.30%
75 years and over 2,610 6.70% 5.10%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Iroquois 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 20,678 59.00% 5.70%
Black or African American 246 42.70% 0.00%
American Indian and Alaska Native 33 45.50% 0.00%
Asian 84 31.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 652 71.00% 6.70%
Two or more races 516 63.60% 2.70%
Hispanic or Latino 1,355 69.40% 13.40%
Not Hispanic or Latino 20,129 58.90% 5.10%

Occupations

In this section we can look at the most common occupations in Iroquois 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 Iroquois County is 12,396, with median earnings of $36,153.00.

Women in Iroquois County, Illinois earning approximately 62.70% of the men's earnings.

Population Earnings
Total 12,396 $36,153.00
Male 6,537 $46,339.00
Female 5,859 $29,041.00

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 1,394 $53,255.00
Business and Financial 337 $59,688.00
Computer and Mathematical 34 $112,500.00
Architecture and Engineering 123 $65,329.00
Life, Physical, and Social Science 40 $86,429.00
Community and Social Service 218 $32,500.00
Legal 17 $30,625.00
Educational and Library 661 $40,733.00
Arts, Design, Entertainment, Sports, and Media 84 $19,773.00
Healthcare Practitioners 872 $50,135.00
Healthcare Support 553 $22,946.00
Firefighters and Protective Service 65 $61,477.00
Law Enforcement 80 $70,750.00
Food Preparation and Serving 608 $9,432.00
Building and Grounds Cleaning 571 $19,750.00
Personal Care and Service 272 $16,818.00
Sales 1,054 $41,429.00
Office and Administrative Support 1,427 $30,784.00
Farming, Fishing, and Forestry 211 $27,009.00
Construction and Extraction 866 $50,227.00
Installation, Maintenance, and Repair 635 $51,827.00
Production 796 $41,250.00
Transportation and Material Moving 661 $44,485.00

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 909 $62,542.00 485 $33,542.00
Business and Financial 148 $97,500.00 189 $58,016.00
Computer and Mathematical 24 $119,583.00 10 $51,875.00
Architecture and Engineering 112 $66,053.00 11 $0.00
Life, Physical, and Social Science 24 $96,250.00 16 $48,500.00
Community and Social Service 73 $29,261.00 145 $35,625.00
Legal 8 $0.00 9 $0.00
Educational and Library 130 $55,375.00 531 $34,053.00
Arts, Design, Entertainment, Sports, and Media 37 $15,156.00 47 $43,036.00
Healthcare Practitioners 101 $53,403.00 771 $47,614.00
Healthcare Support 13 $15,625.00 540 $23,214.00
Firefighters and Protective Service 51 $62,386.00 14 $0.00
Law Enforcement 80 $70,750.00 0 $0.00
Food Preparation and Serving 201 $10,347.00 407 $9,023.00
Building and Grounds Cleaning 317 $14,831.00 254 $25,753.00
Personal Care and Service 25 $22,875.00 247 $16,523.00
Sales 571 $63,359.00 483 $23,456.00
Office and Administrative Support 266 $36,184.00 1,161 $29,476.00
Farming, Fishing, and Forestry 172 $26,696.00 39 $31,750.00
Construction and Extraction 861 $50,417.00 5 $0.00
Installation, Maintenance, and Repair 620 $52,778.00 15 $41,339.00
Production 609 $44,238.00 187 $29,766.00
Transportation and Material Moving 589 $50,179.00 72 $22,097.00

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 11,242 households in Iroquois County, with an average household size of 2.4 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 7,400 families in Iroquois County with an average family size of 2.91 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 5,822 523 1,055 3,842
Average Household Size 2.96 3.22 3.19 1.22
Total Families 5,822 523 1,055 0
Average Household Size 2.94 2.6 2.87 0

Poverty

Of the 7,400 families in Iroquois County, 6.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Iroquois 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 12,865 housing units in Iroquois County, Illinois.

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

Total Percentage
Occupied 11,242 87.38%
Vacant 1,623 12.62%

17.75% of the total 12,865 housing units in Iroquois County are rental units. This is approximately 2,283 properties.

For owner-occupied housing units, a total of 8,734 are occupied by the owner - or 67.89% of the total.

Rental Rates

The median rent for a property in Iroquois County is $724.00.

In the chart below, we can look at the number of rental properties in Iroquois 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
    225
  • Less than $500
    363
  • $500 to $999
    1,610
  • $1,000 to $1,499
    224
  • $1,500 to $1,999
    60
  • $2,000 to $2,499
    26
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Iroquois County is $111,700.00.

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

  • Less than $50,000
    1,088
  • $50,000 to $99,999
    2,749
  • $100,000 to $149,999
    1,934
  • $150,000 to $199,999
    1,281
  • $200,000 to $299,999
    974
  • $300,000 to $499,999
    442
  • $500,000 to $999,999
    187
  • $1,000,000 or more
    79

Property Age

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

  • 1939 or earlier
    3,820
  • 1940 to 1949
    878
  • 1950 to 1959
    1,704
  • 1960 to 1969
    1,300
  • 1970 to 1979
    2,013
  • 1980 to 1989
    1,029
  • 1990 to 1999
    1,117
  • 2000 to 2009
    826
  • 2010 to 2013
    178
  • 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 Iroquois County that have a particular number of vehicles available.

  • No vehicles available
    532
  • 1 vehicle available
    3,386
  • 2 vehicles available
    4,328
  • 3 or more vehicles available
    2,996

Commuting to Work

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

24.3 minutes is the average travel time to work for people in Iroquois 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
    1,075
  • 5 to 9 minutes
    1,810
  • 10 to 14 minutes
    1,507
  • 15 to 19 minutes
    1,389
  • 20 to 24 minutes
    1,122
  • 25 to 29 minutes
    683
  • 30 to 34 minutes
    1,145
  • 35 to 39 minutes
    369
  • 40 to 44 minutes
    366
  • 45 to 59 minutes
    1,056
  • 60 to 89 minutes
    649
  • 90 or more minutes
    317

Summary

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

We have data for 35 places in Iroquois County, Illinois. Click on a place below to see more information about the demographics of that place.