Williamson County, IL

County

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2023 Population
66,902
0.325% 1-year decline
US Senator
Dick Durbin
Democratic Party
US Senator
Tammy Duckworth
Democratic Party
2023 Median Age
41.4
0.485% 1-year increase
2023 Poverty Rate
14.3%
8.19% 1-year increase
2023 Median Household Income
$65,521
8.61% 1-year growth
2023 Median Property Value
$145,600
4.37% 1-year growth
2023 Employed Population
30,056
1.09% 1-year decline

About

In 2023, Williamson County, IL had a population of 66.9k people with a median age of 41.4 and a median household income of $65,521. Between 2022 and 2023 the population of Williamson County, IL declined from 67,120 to 66,902, a −0.325% decrease and its median household income grew from $60,325 to $65,521, a 8.61% increase.

The 5 largest ethnic groups in Williamson County, IL are White (Non-Hispanic) (88.2%), Black or African American (Non-Hispanic) (3.46%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (2.97%), Asian (Non-Hispanic) (1.47%), and Two Races Including Other (Hispanic) (1.23%).

None of the households in Williamson County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

98.8% of the residents in Williamson County, IL are U.S. citizens.

The largest universities in Williamson County, IL are John A Logan College (806 degrees awarded in 2023).

In 2023, the median property value in Williamson County, IL was $145,600, and the homeownership rate was 71.1%.

Most people in Williamson County, IL drove alone to work, and the average commute time was 23.2 minutes. The average car ownership in Williamson County, IL was 2 cars per household.

United StatesIllinoisCarbondale-Marion, IL

Population & Diversity

Williamson County, IL is home to a population of 66.9k people, from which 98.8% are citizens. As of 2023, 1.97% of Williamson County, IL residents were born outside of the country (1.32k people).

In 2023, there were 25.5 times more White (Non-Hispanic) residents (59k people) in Williamson County, IL than any other race or ethnicity. There were 2.32k Black or African American (Non-Hispanic) and 1.99k Two Races Excluding Other, & Three or More Races (Non-Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

98.8%
2023 Citizenship
98.8%
2022 Citizenship

As of 2023, 98.8% of Williamson County, IL residents were US citizens, which is higher than the national average of 93.4%. In 2022, the percentage of US citizens in Williamson County, IL was 98.8%, meaning that the rate of citizenship has been increasing.

The following chart shows US citizenship percentages in Williamson County, IL compared to that of it's neighboring and parent geographies.

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Diversity

Race and Ethnicity

The 3 largest ethnic groups in Williamson County, IL
  1. White (Non-Hispanic)
    59k ± 182
  2. Black or African American (Non-Hispanic)
    2.32k ± 324
  3. Two Races Excluding Other, & Three or More Races (Non-Hispanic)
    1.99k ± 340
2.81%
Hispanic Population
1.88k people

In 2023, there were 25.5 times more White (Non-Hispanic) residents (59k people) in Williamson County, IL than any other race or ethnicity. There were 2.32k Black or African American (Non-Hispanic) and 1.99k Two Races Excluding Other, & Three or More Races (Non-Hispanic) residents, the second and third most common ethnic groups.

2.81% of the people in Williamson County, IL are hispanic (1.88k people).

The following chart shows the 8 races represented in Williamson County, IL as a share of the total population.

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Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Illinois.
Most Common Origin
  1. Mexico
    633,244 ± 19,044 people
  2. India
    161,770 ± 9,812 people
  3. Poland
    119,556 ± 8,449 people

In 2023, the most common birthplace for the foreign-born residents of Illinois was Mexico, the natal country of 633,244 Illinois residents, followed by India with 161,770 and Poland with 119,556.

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Foreign-Born Population

1.97%
2023 Foreign-Born Population
1.32k people
2.21%
2022 Foreign-Born Population
1.49k people

As of 2023, 1.97% of Williamson County, IL residents (1.32k people) were born outside of the United States, which is approximately the same as the national average of 13.8%. In 2022, the percentage of foreign-born citizens in Williamson County, IL was 2.21%, meaning that the rate has been decreasing.

The following chart shows the percentage of foreign-born residents in Williamson County, IL compared to that of it's neighboring and parent geographies.

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Military

Veterans

Most Common Service Period
  1. Vietnam
    1,620 ± 261
  2. Gulf War (2001-)
    1,077 ± 226
  3. Gulf War (1990s)
    752 ± 206

Williamson County, IL has a large population of military personnel who served in Vietnam, 1.5 times greater than any other conflict.

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Economy

The economy of Williamson County, IL employs 30.1k people. In 2023, the largest industries in Williamson County, IL were Health Care & Social Assistance (5,382 people), Educational Services (3,863 people), and Retail Trade (3,607 people), and the highest paying industries were Utilities ($83,813), Mining, Quarrying, & Oil & Gas Extraction ($83,472), and Agriculture, Forestry, Fishing & Hunting, & Mining ($78,066).

Employment

Occupations

30.1k
2023 Value
± 1,228
−1.09%
1 Year decline
± 5.8%

From 2022 to 2023, employment in Williamson County, IL declined at a rate of −1.09%, from 30.4k employees to 30.1k employees.

The most common job groups, by number of people living in Williamson County, IL, are Management Occupations (3,415 people), Sales & Related Occupations (3,049 people), and Office & Administrative Support Occupations (2,722 people). This chart illustrates the share breakdown of the primary jobs held by residents of Williamson County, IL.

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Unemployment Insurance Claims

Data is only available at the state level. Showing data for Illinois.

This chart shows weekly unemployment insurance claims in Illinois (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

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Industries

Employment by Industries

30.1k
2023 Value
± 1,228
−1.09%
1 Year decline
± 5.8%

From 2022 to 2023, employment in Williamson County, IL declined at a rate of −1.09%, from 30.4k employees to 30.1k employees.

The most common employment sectors for those who live in Williamson County, IL, are Health Care & Social Assistance (5,382 people), Educational Services (3,863 people), and Retail Trade (3,607 people). This chart shows the share breakdown of the primary industries for residents of Williamson County, IL, though some of these residents may live in Williamson County, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

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Median Earnings by Industry

$49,273
Median earning men ± $4,167
$40,123
Median earning women ± $2,105

The industries with the best median earnings for men in 2023 are Information ($86,447), Agriculture, Forestry, Fishing & Hunting, & Mining ($78,789), and Public Administration ($73,650).

The industries with the best median earnings for women in 2023 are Public Administration ($56,528), Construction ($53,750), and Manufacturing ($50,372).

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Employment by Industry Sector

Data is only available at the state level. Showing data for Illinois.
Y-Axis
2.47%
Year-over-year growth
Employment change between February 2022 and February 2023

As of February 2023, there are 6.03M people employed in Illinois. This represents a 2.47% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 13%.

The following chart shows monthly employment numbers for each industry sector in Illinois.

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Establishments by Size

The industries with the most establishments
  1. 118
    Other Services (except Public Administration)
  2. 92
    Construction
  3. 81
    Professional, Scientific, and Technical Services

The visualization shows the distribution of establishments by industry and by size according to the number of employees.

The visualization shows the number of establishments and its share across establishment sizes.

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Payroll by Industry Sector

The industries with the highest total annual payroll
  1. $445k
    Health Care and Social Assistance
  2. $170k
    Manufacturing
  3. $136k
    Retail Trade

The chart shows the total annual payroll and the average annual payroll by industry.

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Civics

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

Dick Durbin and Tammy Duckworth are the senators currently representing the state of Illinois. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Illinois is currently represented by 17 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Elections

Voting results are not available for Williamson County, IL. Showing the available data for Illinois.
2024 Election Results
  1. Kamala Harris (54.4%)
    Democratic Party
  2. Donald J. Trump (43.5%)
    Republican Party
  3. Robert Kennedy (1.43%)
    Independent Party

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

The following chart shows the popular vote results in Illinois for each registered party from 1976 to 2024.

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Senator Elections

US Senators from Illinois

Senatorial voting results are only available at the state level. Showing data for Illinois.
Dick Durbin
Senator from Illinois2
Assumed office on January 3, 1997
Tammy Duckworth
Senator from Illinois3
Assumed office on January 3, 2017

Dick Durbin and Tammy Duckworth are the senators currently representing Illinois.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in Illinois over time, excluding special elections, colored by their political party.

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US Representative Elections

US Representatives from Illinois

Illinois is currently represented by 17 members in the U.S. house.

Members of the House of Representives are elected to 2-year terms, and the following chart shows the how the members for Illinois have changed over time starting in 2008.

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Education

In 2023, universities in Williamson County, IL awarded 806 degrees. The student population of Williamson County, IL in 2023 is skewed towards women, with 1,227 male students and 1,893 female students.

Most students graduating from Universities in Williamson County, IL are White (643 and 79.9%), followed by Black or African American (67 and 8.32%), Unknown (56 and 6.96%), and Hispanic or Latino (16 and 1.99%).

The largest universities in Williamson County, IL by number of degrees awarded are John A Logan College (806 and 100%).

The most popular majors in Williamson County, IL are Liberal Arts & Sciences (207 and 25.7%), Nursing Assistant & Patient Care Assistant (81 and 10%), and Licensed Practical & Vocational Nurse Training (80 and 9.93%).

Admissions & Enrollments

Enrollments by Gender and Races

In 2023 there were 3,120 students enrolled in Williamson County, IL, 39.3% men and 60.7% women.

By race, the largest number of students enrolled was concentrated in White with 2,222 records, of which 60.9% were women and 39.1% men.

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Completions

Concentrations

Most Common
  1. Liberal Arts & Sciences
    207 degrees awarded
  2. Registered Nursing
    65 degrees awarded
  3. Biological & Physical Sciences
    55 degrees awarded

In 2023, the most common concentation for Associates Degree recipients in Williamson County, IL was Liberal Arts & Sciences with 207 degrees awarded.

This visualization illustrates the percentage of students graduating with a Associates Degree from schools in Williamson County, IL according to their major.

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Universities

Gender
Race
John A Logan College
Largest Universities by degrees awarded
806 degrees awarded

In 2023, the institution with the largest number of graduating students was John A Logan College with 806 degrees awarded.

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Student Diversity

In 2023, 313 men were awarded degrees from institutions in Williamson County, IL, which is 0.635 times less than the 493 female students who received degrees in the same year.

In 2023, the most common race/ethnicity group awarded degrees at institutions was White students. These 643 degrees mean that there were 9.6 times more degrees awarded to White students then the next closest race/ethnicity group, Black or African American, with 67 degrees awarded.

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Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

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Tuition

Average Net Price by Sector

Public, 2-year ($5,640) is the sector with the highest median state tuition in 2023.

Public, 2-year ($350) is the sector with the highest median state fee in 2023.

Public, 2-year ($1,526) is the sector with the highest average net price of books and supplies.

The graph shows the average net price by sector and year.

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Working Population

Educational Pyramid

Data is only available at the state level. Showing data for Illinois.
Measure

In 2023, 1.23% of men over 25 years of age had not completed any academic degree (no schooling), while 1.11% of women were in the same situation.

This visualization shows the gender distribution of the population according to the academic level reached.

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Educational Attainment

Data is only available at the state level. Showing data for Illinois.
Race

The most common educational levels obtained by the working population in 2023 were High School or Equivalent (2.6M), Bachelors Degree (2.12M), and Some college (2.1M).

This visualization illustrates the percentage distribution of the population according to the highest educational level reached. You can filter the data by race by using the selector above.

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Housing & Living

The median property value in Williamson County, IL was $145,600 in 2023, which is 0.48 times smaller than the national average of $303,400. Between 2022 and 2023 the median property value increased from $139,500 to $145,600, a 4.37% increase. The homeownership rate in Williamson County, IL is 71.1%, which is higher than the national average of 65%.

People in Williamson County, IL have an average commute time of 23.2 minutes, and they drove alone to work. Car ownership in Williamson County, IL is approximately the same as the national average, with an average of 2 cars per household.

Median household income in Williamson County, IL is $65,521. In 2023, the tract with the highest Median Household Income in Williamson County, IL was Census Tract 213, Williamson County, IL with a value of $96,220, followed by Census Tract 202.02, Williamson County, IL and Census Tract 209, Williamson County, IL, with respective values of $83,365 and $77,563.

In 2024, 12.2% of the population was living with severe housing problems in Williamson County, IL. From 2014 to 2024, the indicator grew 0.389%.

Housing

Property

$145,600
Median Property Value 2023
±$6,800
$20,467
Median Property Taxes
±$1,001

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In Williamson County, IL the largest share of households pay taxes in the $3k+ range.

The chart underneath the paragraph shows the property taxes in Williamson County, IL compared to it's parent and neighbor geographies.

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Rent vs Own

71.1%
Homeownership
2023
60.7%
Homeowners with Mortgage
2023

In 2023, 71.1% of the housing units in Williamson County, IL were occupied by their owner. This percentage grew from the previous year's rate of 71%.

This chart shows the percentage of owner in Williamson County, IL compared it's parent and neighboring geographies.

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Equity

Income by Location

Use the dropdown to filter by race/ethnicity.
Race/Ethnicity
Highest Median Household Income (Total)
  1. Census Tract 213, Williamson County, IL
  2. Census Tract 202.02, Williamson County, IL
  3. Census Tract 209, Williamson County, IL

In 2023, the tract with the highest Median Household Income (Total) in Williamson County, IL was Census Tract 213, Williamson County, IL with a value of $96,220, followed by Census Tract 202.02, Williamson County, IL and Census Tract 209, Williamson County, IL, with respective values of $83,365 and $77,563.

The following map shows all of the tracts in Williamson County, IL colored by their Median Household Income (Total).

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Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.
$65,521
Median Household Income
± $3,734
28.8k
Number of Households
± 1,252

In 2023, the median household income of the 28.8k households in Williamson County, IL grew to $65,521 from the previous year's value of $60,325.

The following chart displays the households in Williamson County, IL distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $75k - $100k range.

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Wage Distribution

The closest comparable wage GINI for Williamson County, IL is from Illinois.
0.474
2023 Wage GINI in Illinois
0.477
2022 Wage GINI in Illinois

In 2023, the income inequality in Illinois was 0.474 according to the GINI calculation of the wage distribution. Income inequality had a 0.554% decline from 2022 to 2023, which means that wage distribution grew somewhat more even. The GINI for Illinois was lower than than the national average of 0.476. In other words, wages are distributed more evenly in Illinois in comparison to the national average.

This chart shows the number of workers in Illinois across various wage buckets compared to the national average.

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Transportation

Commuter Transportation

Most Common Commute in 2023
  1. Drove Alone (81.5%)
  2. Worked At Home (8.62%)
  3. Carpooled (7.63%)

In 2023, 81.5% of workers in Williamson County, IL drove alone to work, followed by those who worked at home (8.62%) and those who carpooled to work (7.63%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

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Commute Time

23.2 minutes
Average Travel Time

Using averages, employees in Williamson County, IL have a shorter commute time (23.2 minutes) than the normal US worker (26.6 minutes). Additionally, 3.16% of the workforce in Williamson County, IL have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Williamson County, IL compares to that of it's neighboring and parent geographies.

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Car Ownership

2 cars
Average Number

The following chart displays the households in Williamson County, IL distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Williamson County, IL have 2 cars.

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Poverty

Severe Housing Problems

In 2024, 12.2% of the population was living with severe housing problems in Williamson County, IL. From 2014 to 2024, the indicator grew 0.389%.

The graph shows the trend of the percentage of the population living with severe housing problems.

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Poverty & Diversity

14.3% of the population for whom poverty status is determined in Williamson County, IL (9.21k out of 64.5k people) live below the poverty line, a number that is higher than the national average of 12.4%. The largest demographic living in poverty are Females 25 - 34, followed by Females 55 - 64 and then Males < 5.

The most common racial or ethnic group living below the poverty line in Williamson County, IL is White, followed by Two Or More and Black.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

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Children in Poverty

In 2024, 16.6% of the children was living in poverty in Williamson County, IL. From 2014 to 2024, the indicator declined 5.9%.

The graph shows the trend of the percentage of the children living in poverty.

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Security

Crimes & Accidents

Indicator

In 2022, the number of reported violent crimes offenses per 100,000 population was 63 in Williamson County, IL. From 2014 to 2022, the indicator declined 517 per 100,000 population.

The graph shows the trend in the number of reported violent crimes offenses per 100,000 population.

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Health

94.8% of the population of Williamson County, IL has health coverage, with 47.3% on employee plans, 19.6% on Medicaid, 14.3% on Medicare, 11.9% on non-group plans, and 1.74% on military or VA plans.

Primary care physicians in Williamson County, IL see 1,262 patients per year on average, which represents a 12.1% increase from the previous year (1,126 patients). Compare this to dentists who see 1482 patients per year, and mental health providers who see 237 patients per year.

By gender, of the total number of insured persons, 49.1% were men and 50.9% were women.

Coverage

Patient to Clinician Ratios

1,262 to 1
Patient to Primary Care Physician Ratio in Williamson County, IL

Primary care physicians in Williamson County, IL see an average of 1,262 patients per year. This represents a 12.1% increase from the previous year (1,126 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Williamson County, IL in comparison to its neighboring geographies.

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Health Care Diversity

In 2023, insured persons according to age ranges were distributed in 23.1% under 18 years, 18.3% between 18 and 34 years, 39% between 35 and 64 years, and 19.6% over 64 years.

By gender, of the total number of insured persons, 49.1% were men and 50.9% were women.

The following chart shows the number of people with health coverage by gender.

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Uninsured People

5.2%
Uninsured
47.3%
Employer Coverage
19.6%
Medicaid
14.3%
Medicare
11.9%
Non-Group
1.74%
Military or VA

Between 2022 and 2023, the percent of uninsured citizens in Williamson County, IL declined by 6.33% from 5.55% to 5.2%.

The following chart shows how the percent of uninsured individuals in Williamson County, IL changed over time compared with the percent of individuals enrolled in various types of health insurance.

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Health Indicators

Health Outcomes

Indicator

In 2024, the number of deaths among residents under age 18 per 100,000 population was 47.7 in Williamson County, IL.

The graphic shows the trend of the indicator in Williamson County, IL.

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Health Behaviors

Indicator

In 2024, the percentage of the adult population (age 18 and older) that reports a body mass index (BMI) greater than or equal to 30 kg/m2 (age-adjusted) was 35.1% in Williamson County, IL.

The graphic shows the trend of the indicator in Williamson County, IL.

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Clinical Care

Indicator

In 2024, the percentage of population under age 65 without health insurance was 6.08% in Williamson County, IL.

The graphic shows the trend of the indicator in Williamson County, IL.

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