Adams County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Adams 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 Adams County, Illinois. The most basic data is the total population, which is the total number of people living in Adams County, Illinois. The estimated population of Adams County, Illinois is 65,878 people, with a median age of 41.2.

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

Year Population Change 5-Year Change
2021
65,878
+0.32%
-1.36%
2020
65,670
-0.63% -
2019
66,085
-0.51% -
2018
66,427
-0.54% -
2017
66,787
- -

Population of Adams 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
91.1%
92%
-0.98%
Black/African American
3.8%
3.9%
-2.56%
Native
0.1%
0.2%
-50.00%
Hispanic
1.7%
1.5%
+13.33%
Asian
0.6%
0.8%
-25.00%
Hawaiian/Pacific Islander
0%
0.1%
-100.00%
Two Or More Races
2.5%
1.4%
+78.57%
Other
0.1%
0.1%
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 Adams 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 41.2 -0.48% 39.8 +0.25% 42.6 -1.16%
2020 41.4 -0.24% 39.7 -0.5% 43.1 0%
2019 41.5 +0.48% 39.9 +0.5% 43.1 0%
2018 41.3 -0.48% 39.7 +0.25% 43.1 -0.23%
2017 41.5 - 39.6 - 43.2 -

The median age of Adams 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 4,415 -5.46% 4,086 +1.42% 4,178 4,143
10 to 19 4,111 +2.68% 3,974 -1.51% 4,216 3,908
20 to 29 4,077 -8.9% 4,082 -8.28% 3,726 3,751
30 to 39 3,899 +7.6% 3,761 +0.94% 4,203 3,795
40 to 49 3,793 -7.58% 4,064 -6.6% 3,511 3,798
50 to 59 4,700 -9.05% 4,857 -3.25% 4,287 4,698
60 to 69 3,842 +7.28% 3,953 +1.56% 4,113 4,013
70+ 3,861 +8.26% 5,312 +0.96% 4,180 5,358

Median Household Income

The latest median household income of Adams County, Illinois is $58,587.00.

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 Adams County.

  • Under 25
    $39,527.00
  • 25 to 44
    $66,579.00
  • 45 to 64
    $75,071.00
  • 65 and over
    $41,624.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Adams 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 Adams County, Illinois is currently $76,259.00.

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.

4.06% of households in Adams 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 Adams County against other areas.

  • Less than $24,999
    18.44%
  • $25,000 to $49,999
    23.99%
  • $50,000 to $74,999
    19.18%
  • $75,000 to $99,999
    14.50%
  • $100,000 to $149,999
    14.64%
  • $150,000 to $199,999
    5.18%
  • $200,000 or more
    4.06%

Per Capita Income

The per capita income in Adams County is $32,249.00.

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

This is different from the average or mean income because it includes and accounts for all people in Adams 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 Adams 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
    10.63%
  • Bachelor's degree
    25.96%
  • Some college or associate's degree
    14.26%
  • High school diploma or equivalent
    46.99%
  • Less than high school diploma
    2.16%

Employment

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

The total population of Adams County over the age of 16 is 52,698.

Of those people, a total of 65.50% 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 Adams County is 62.60%.

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 3,265 59.90% 13.50%
20 to 24 years 3,451 84.60% 6.10%
25 to 29 years 4,026 83.60% 2.90%
30 to 34 years 4,095 87.90% 6.40%
35 to 44 years 7,649 85.00% 3.90%
45 to 54 years 7,716 86.20% 2.90%
55 to 59 years 4,832 81.40% 2.30%
60 to 64 years 4,511 64.40% 2.20%
65 to 74 years 7,103 27.90% 2.70%
75 years and over 6,050 11.40% 3.60%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Adams 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 49,265 65.10% 3.80%
Black or African American 1,846 69.90% 6.80%
American Indian and Alaska Native 51 60.80% 0.00%
Asian 310 85.20% 8.70%
Native Hawaiian and Other Pacific Islander 6 0.00% 0.00%
Other 134 56.00% 5.30%
Two or more races 1,086 69.50% 15.20%
Hispanic or Latino 743 66.90% 12.50%
Not Hispanic or Latino 48,874 65.10% 3.70%

Occupations

In this section we can look at the most common occupations in Adams 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 Adams County is 33,010, with median earnings of $37,944.00.

Women in Adams County, Illinois earning approximately 71.90% of the men's earnings.

Population Earnings
Total 33,010 $37,944.00
Male 16,786 $43,818.00
Female 16,224 $31,509.00

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 3,203 $51,014.00
Business and Financial 1,543 $62,933.00
Computer and Mathematical 459 $54,755.00
Architecture and Engineering 504 $56,354.00
Life, Physical, and Social Science 119 $61,360.00
Community and Social Service 736 $52,188.00
Legal 205 $68,173.00
Educational and Library 1,718 $36,393.00
Arts, Design, Entertainment, Sports, and Media 412 $33,696.00
Healthcare Practitioners 2,131 $58,970.00
Healthcare Support 1,097 $25,229.00
Firefighters and Protective Service 303 $37,750.00
Law Enforcement 460 $65,298.00
Food Preparation and Serving 1,974 $15,615.00
Building and Grounds Cleaning 1,158 $27,805.00
Personal Care and Service 885 $20,644.00
Sales 3,456 $30,433.00
Office and Administrative Support 4,025 $34,598.00
Farming, Fishing, and Forestry 161 $39,917.00
Construction and Extraction 1,457 $45,354.00
Installation, Maintenance, and Repair 1,236 $43,843.00
Production 2,328 $42,727.00
Transportation and Material Moving 1,646 $32,935.00

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 1,910 $65,556.00 1,293 $42,138.00
Business and Financial 706 $72,500.00 837 $51,074.00
Computer and Mathematical 247 $54,549.00 212 $58,750.00
Architecture and Engineering 451 $58,365.00 53 $4,570.00
Life, Physical, and Social Science 55 $82,361.00 64 $60,625.00
Community and Social Service 378 $52,794.00 358 $51,563.00
Legal 141 $73,563.00 64 $42,159.00
Educational and Library 366 $41,250.00 1,352 $35,938.00
Arts, Design, Entertainment, Sports, and Media 184 $40,598.00 228 $28,333.00
Healthcare Practitioners 379 $102,917.00 1,752 $54,583.00
Healthcare Support 86 $40,076.00 1,011 $24,125.00
Firefighters and Protective Service 250 $58,429.00 53 $7,546.00
Law Enforcement 438 $65,446.00 22 $51,250.00
Food Preparation and Serving 725 $13,075.00 1,249 $17,736.00
Building and Grounds Cleaning 648 $39,653.00 510 $19,401.00
Personal Care and Service 116 $22,692.00 769 $18,884.00
Sales 1,796 $38,729.00 1,660 $22,900.00
Office and Administrative Support 735 $39,579.00 3,290 $33,820.00
Farming, Fishing, and Forestry 139 $43,438.00 22 $15,769.00
Construction and Extraction 1,435 $45,684.00 22 $20,000.00
Installation, Maintenance, and Repair 1,116 $44,039.00 120 $24,500.00
Production 1,744 $46,755.00 584 $33,281.00
Transportation and Material Moving 1,425 $39,321.00 221 $16,060.00

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 27,174 households in Adams County, 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 17,118 families in Adams 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 13,227 1,150 2,741 10,056
Average Household Size 3.07 3.06 3.08 1.2
Total Families 13,227 1,150 2,741 0
Average Household Size 3.05 2.59 2.88 0

Poverty

Of the 17,118 families in Adams County, 8.70% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Adams 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 30,225 housing units in Adams County, Illinois.

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

Total Percentage
Occupied 27,174 89.91%
Vacant 3,051 10.09%

23.37% of the total 30,225 housing units in Adams County are rental units. This is approximately 7,065 properties.

For owner-occupied housing units, a total of 19,567 are occupied by the owner - or 64.74% of the total.

Rental Rates

The median rent for a property in Adams County is $713.00.

In the chart below, we can look at the number of rental properties in Adams 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
    542
  • Less than $500
    1,428
  • $500 to $999
    4,365
  • $1,000 to $1,499
    887
  • $1,500 to $1,999
    213
  • $2,000 to $2,499
    32
  • $2,500 to $2,999
    140
  • $3,000 or more
    0

Property Value

The median value of a property in Adams County is $134,500.00.

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

  • Less than $50,000
    1,880
  • $50,000 to $99,999
    4,834
  • $100,000 to $149,999
    4,356
  • $150,000 to $199,999
    3,354
  • $200,000 to $299,999
    2,890
  • $300,000 to $499,999
    1,835
  • $500,000 to $999,999
    408
  • $1,000,000 or more
    10

Property Age

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

  • 1939 or earlier
    7,423
  • 1940 to 1949
    2,025
  • 1950 to 1959
    4,247
  • 1960 to 1969
    3,226
  • 1970 to 1979
    4,290
  • 1980 to 1989
    2,208
  • 1990 to 1999
    2,941
  • 2000 to 2009
    2,672
  • 2010 to 2013
    1,193
  • 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 Adams County that have a particular number of vehicles available.

  • No vehicles available
    2,008
  • 1 vehicle available
    8,577
  • 2 vehicles available
    9,933
  • 3 or more vehicles available
    6,656

Commuting to Work

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

17.1 minutes is the average travel time to work for people in Adams 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
    1,642
  • 5 to 9 minutes
    6,437
  • 10 to 14 minutes
    7,483
  • 15 to 19 minutes
    5,501
  • 20 to 24 minutes
    3,127
  • 25 to 29 minutes
    1,109
  • 30 to 34 minutes
    2,657
  • 35 to 39 minutes
    420
  • 40 to 44 minutes
    357
  • 45 to 59 minutes
    1,097
  • 60 to 89 minutes
    451
  • 90 or more minutes
    304

Summary

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

We have data for 28 places in Adams County, Illinois. Click on a place below to see more information about the demographics of that place.