St. Clair County, IL

County

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Population

261,059

0.541% 1-year decline

US Senator

Dick Durbin

Democratic Party

US Senator

Tammy Duckworth

Democratic Party

Median Age

39.6

Poverty Rate

16.4%

Median Household Income

$59,141

14.5% 1-year growth

Median Property Value

$132,200

2.88% 1-year growth

Number of Employees

122,021

2.01% 1-year decline

About

In 2018, St. Clair County, IL had a population of 261k people with a median age of 39.6 and a median household income of $59,141. Between 2017 and 2018 the population of St. Clair County, IL declined from 262,479 to 261,059, a -0.541% decrease and its median household income grew from $51,670 to $59,141, a 14.5% increase.

N/A NaNk% of the people in St. Clair County, IL speak a non-English language, and 98.1% are U.S. citizens.

The largest universities in St. Clair County, IL are Southwestern Illinois College (2,672 degrees awarded in 2017), McKendree University (830 degrees), and Vatterott College-Fairview Heights (143 degrees).

The median property value in St. Clair County, IL is $132,200, and the homeownership rate is 65.8%. Most people in St. Clair County, IL commute by Drove Alone, and the average commute time is 24.5 minutes. The average car ownership in St. Clair County, IL is 2 cars per household.

St. Clair County, IL borders Clinton County, IL, Madison County, IL, Monroe County, IL, Randolph County, IL, Washington County, IL, St. Louis County, MO, and St. Louis city, MO.

About the photo: Belleville, IL

Photo by stephen_bolen

United States Illinois St. Louis, MO-IL

COVID-19

Daily New Cases by Date

Showing data at the state level for Illinois. Hospitalization data for some states may be delayed or not reported.

This chart shows the number of COVID-19 daily new cases by date in Illinois, as a 7-day rolling average, compared with the four states with the most similar number of confirmed cases.

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Impact on Employment

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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Community Mobility

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

This chart presents movement trends over time in the state of Illinois across different categories of places such as retail and recreation, groceries and pharmacies, parks, transit stations, workplaces, and residential.

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Civics

In the 2016 presidential election, the popular vote in Illinois went to Hillary Rodham Clinton with 50.4% of the vote. The runner-up was Donald J. Trump (44.7%), followed by Other (4.95%). The most partisan county was Wayne County, IL with 84.3% of the vote going to Donald J. Trump running for the Republican Party.

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.

St. Clair County, IL is currently represented by 18 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Popular Vote Over Time

Voting results not available for St. Clair County, IL. Showing the available data for Illinois.

2016 Election Results

Hillary Rodham Clinton (50.4%)
Democratic Party
Donald J. Trump (44.7%)
Republican Party
Other (4.95%)
Other Party

In the 2016 presidential election, the popular vote in Illinois went to Hillary Rodham Clinton with 50.4% of the vote. The runner-up was Donald J. Trump (44.7%), followed by Other (4.95%).

The following chart shows the popular vote results in Illinois for each registered party from 1976 to 2016.

Presidential Popular Vote by County

Presidential voting results are only available at the county level. Showing data for the counties inside of Illinois.

Hillary Rodham Clinton

Popular Vote for Illinois

50.4% for the Democratic Party

Most Partisan Counties in Illinois

Wayne County, IL
84.3% for Donald J. Trump (Republican Party)
Edwards County, IL
83% for Donald J. Trump (Republican Party)
Clay County, IL
79.1% for Donald J. Trump (Republican Party)

In the 2016 presidential election, the most partisan county in Illinois was Wayne County, IL with 84.3% of the vote going to Donald J. Trump running for the Republican Party.

The following map shows the counties in Illinois colored by their party leaning.

US Senators from Illinois

Senatorial voting results are only available at the state level. Showing data for Illinois.

Dick Durbin

Senator from Illinois

Assumed office on January 3, 1997

Tammy Duckworth

Senator from Illinois

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, colored by their political party.

US Representatives from Illinois

Illinois is currently represented by 18 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 St. Clair County, IL have changed over time starting in 2008.

Diversity

St. Clair County, IL is home to a population of 261k people, from which 98.1% are citizens. As of 2018, 2.95% of St. Clair County, IL residents were born outside of the country (7.69k people).

In N/A, there were N/A times more N/A residents (N/A people) in St. Clair County, IL than any other race or ethnicity. There were N/A N/A and N/A N/A residents, the second and third most common ethnic groups.

Race and Ethnicity

N/A%

Hispanic Population

N/A people

N/A% of the people in St. Clair County, IL are hispanic (N/A people).

The following chart shows the N/A races represented in St. Clair County, IL as a share of the total population.

Heritage

Foreign-Born Population

2.95%

2018 Foreign-Born Population

7.69k people

2.78%

2017 Foreign-Born Population

7.3k people

As of 2018, 2.95% of St. Clair County, IL residents (7.69k people) were born outside of the United States, which is lower than the national average of 13.7%. In 2017, the percentage of foreign-born citizens in St. Clair County, IL was 2.78%, meaning that the rate has been increasing.

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

Age by Nativity

Median Native-Born Age

± 0.5

Median Foreign-Born Age

± 6.6

In 2018, the median age of all people in St. Clair County, IL was 39.6. Native-born citizens, with a median age of 40, were generally younger than than foreign-born citizens, with a median age of 40. But people in St. Clair County, IL are getting getting older. In 2017, the average age of all St. Clair County, IL residents was 38.

Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Illinois.

Most Common Origin

Mexico
642,065 ± 19,171 people
India
174,548 ± 10,187 people
Poland
126,880 ± 8,702 people

In 2018, the most common birthplace for the foreign-born residents of Illinois was Mexico, the natal country of 642,065 Illinois residents, followed by India with 174,548 and Poland with 126,880.

Citizenship

98.1%

2018 Citizenship

98.2%

2017 Citizenship

As of 2018, 98.1% of St. Clair County, IL residents were US citizens, which is higher than the national average of 93.2%. In 2017, the percentage of US citizens in St. Clair County, IL was 98.2%, meaning that the rate of citizenship has been decreasing.

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

Military

Veterans

Most Common Service Period

Gulf War (2001-)
7,812 ± 1,547
Vietnam
6,311 ± 966
Gulf War (1990s)
4,366 ± 932

St. Clair County, IL has a large population of military personnel who served in Gulf War (2001-), 1.24 times greater than any other conflict.

Economy

Median household income in St. Clair County, IL is $59,141. In 2018, the tract with the highest Median Household Income in St. Clair County, IL was Census Tract 5034.04 with a value of $121,538, followed by Census Tract 5043.55 and Census Tract 5043.53, with respective values of $117,943 and $111,477.

Males in Illinois have an average income that is 1.33 times higher than the average income of females, which is $55,889. The income inequality in Illinois (measured using the Gini index) is 0.48, which is higher than than the national average.

The economy of St. Clair County, IL employs 122k people. The largest industries in St. Clair County, IL are Health Care & Social Assistance (17,238 people), Retail Trade (15,208 people), and Educational Services (11,755 people), and the highest paying industries are Utilities ($80,189), Professional, Scientific, & Technical Services ($60,640), and Wholesale Trade ($52,184).

Wages

Median Household Income

$59,141

2018 value

± $3,899

14.5%

1 Year Growth

± 6.75%

Households in St. Clair County, IL have a median annual income of $59,141, which is less than the median annual income of $61,937 across the entire United States. This is in comparison to a median income of $51,670 in 2017, which represents a 14.5% annual growth.

The following chart shows how the median household income in St. Clair County, IL compares to that of its neighboring and parent geographies.

Wage by Gender in Common Jobs

The PUMS dataset is not available at the County level, so we are showing data for Illinois.

$74,413

Average Male Salary in Illinois

± $1,190

$55,889

Average Female Salary in Illinois

± $913

In 2018, full-time male employees in Illinois made 1.33 times more than female employees.

This chart shows the gender-based wage disparity in the 5 most common occupations in Illinois by number of full-time employees.

Wage by Race and Ethnicity in Common Jobs

The PUMS dataset is not available at the County level, so we are showing data for Illinois.

Highest Average Salaries by Race & Ethnicity in Illinois

Asian
$70,233 ± $3,218
White
$60,032 ± $826
Native Hawaiian and Other Pacific Islander
$53,351 ± $34,221

In 2018 the highest paid race/ethnicity of Illinois workers was Asian. These workers were paid 1.17 times more than White workers, who made the second highest salary of any race/ethnicity in Illinois.

This chart shows the race- and ethnicity-based wage disparities in the 5 most common occupations in Illinois by number of full-time employees.

Wage Distribution

The closest comparable wage GINI for St. Clair County, IL is from Illinois.

0.48

2018 Wage GINI in Illinois

0.482

2017 Wage GINI in Illinois

In 2018, the income inequality in Illinois was 0.48 according to the GINI calculation of the wage distribution. Income inequality had a 0.354% decline from 2017 to 2018, which means that wage distribution grew somewhat more even. The GINI for Illinois was higher than than the national average of 0.479. In other words, wages are distributed less 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.

Income by Location

Use the dropdown to filter by race/ethnicity.

Highest Median Household Income (Total)

Census Tract 5034.04
Census Tract 5043.55
Census Tract 5043.53

In 2018, the tract with the highest Median Household Income (Total) in St. Clair County, IL was Census Tract 5034.04 with a value of $121,538, followed by Census Tract 5043.55 and Census Tract 5043.53, with respective values of $117,943 and $111,477.

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

Poverty by Age and Gender

Females 25 - 34

Largest Demographic Living in Poverty

16.4% of the population for whom poverty status is determined in St. Clair County, IL (42.4k out of 259k people) live below the poverty line, a number that is higher than the national average of 13.1%. The largest demographic living in poverty are Females 25 - 34, followed by Females 35 - 44 and then Females 18 - 24.

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.

Poverty by Race and Ethnicity

Largest Race or Ethnicity Living in Poverty

Black
25,766 ± 1,288
White
13,731 ± 878
Hispanic
2,522 ± 362

The most common racial or ethnic group living below the poverty line in St. Clair County, IL is Black, followed by White and Hispanic.

Occupations

Employment by Occupations

122k

2018 Value

± 6,293

-2.01%

1 Year decline

± 7.4%

From 2017 to 2018, employment in St. Clair County, IL declined at a rate of -2.01%, from 125k employees to 122k employees.

The most common job groups, by number of people living in St. Clair County, IL, are Office & Administrative Support Occupations (15,342 people), Sales & Related Occupations (12,793 people), and Management Occupations (8,849 people). This chart illustrates the share breakdown of the primary jobs held by residents of St. Clair County, IL.

Most Common

The most common jobs held by residents of St. Clair County, IL, by number of employees, are Office & Administrative Support Occupations (15,342 people), Sales & Related Occupations (12,793 people), and Management Occupations (8,849 people).

Most Specialized

Compared to other counties, St. Clair County, IL has an unusually high number of residents working as Fire Fighting & Prevention, & Other Protective Service Workers Including Supervisors (1.52 times higher than expected), Building & Grounds Cleaning & Maintenance Occupations (1.47 times), and Computer & Mathematical Occupations (1.39 times).

Highest Paid

The highest paid jobs held by residents of St. Clair County, IL, by median earnings, are Architecture & Engineering Occupations ($86,467), Computer, Engineering, & Science Occupations ($80,393), and Computer & Mathematical Occupations ($68,156).

Industries

Employment by Industries

122k

2018 Value

± 6,293

-2.01%

1 Year decline

± 7.4%

From 2017 to 2018, employment in St. Clair County, IL declined at a rate of -2.01%, from 125k employees to 122k employees.

The most common employment sectors for those who live in St. Clair County, IL, are Health Care & Social Assistance (17,238 people), Retail Trade (15,208 people), and Educational Services (11,755 people). This chart shows the share breakdown of the primary industries for residents of St. Clair County, IL, though some of these residents may live in St. Clair County, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

Most Common

The most common industries in St. Clair County, IL, by number of employees, are Health Care & Social Assistance (17,238 people), Retail Trade (15,208 people), and Educational Services (11,755 people).

Most Specialized

Compared to other counties, St. Clair County, IL has an unusually high number of Utilities (1.72 times higher than expected), Transportation & Warehousing (1.19 times), and Administrative & Support & Waste Management Services (1.17 times) industries.

Highest Paying

The highest paying industries in St. Clair County, IL, by median earnings, are Utilities ($80,189), Professional, Scientific, & Technical Services ($60,640), and Wholesale Trade ($52,184).

Domestic Trade

Domestic Production & Consumption

Domestic production and consumption consists of products and services shipped from Illinois to other states, or from other states to Illinois.

Top Domestic Production in Dollars

In 2015, the top outbound Illinois product (by dollars) was Mixed freight with $76.6B, followed by Gasoline ($75B) and Pharmaceuticals ($66.8B).

The following chart shows the share of these products in relation to all outbound Illinois products.

Domestic Trade Growth

Showing data for Illinois.

$871B

2015 Value in Illinois

$1.31T

Projected 2045 Value in Illinois

50.5% growth

In 2015, total outbound Illinois trade was $871B. This is expected to increase 50.5% to $1.31T by 2045.

The following chart shows how the domestic outbound Illinois trade is projected to change in comparison to its neighboring states.

Interstate Trade

Interstate trade consists of products and services shipped from Illinois to other states, or from other states to Illinois.

Most Common Trade Partners

Indiana
$63.2B
Wisconsin
$48.1B
Michigan
$32.6B

In 2015, the top outbound Illinois domestic partner for goods and services (by dollars) was Indiana with $63.2B, followed by Wisconsin with $48.1B and Michigan and $32.6B.

The following map shows the amount of trade that Illinois shares with each state (excluding itself).

Education

In 2017, universities in St. Clair County, IL awarded 3,645 degrees. The student population of St. Clair County, IL is skewed towards women, with 5,220 male students and 6,553 female students.

Most students graduating from Universities in St. Clair County, IL are White (2,691 and 74.3%), followed by Black or African American (467 and 12.9%), Unknown (142 and 3.92%), and Two or More Races (139 and 3.84%).

The largest universities in St. Clair County, IL by number of degrees awarded are Southwestern Illinois College (2,672 and 73.3%), McKendree University (830 and 22.8%), and Vatterott College-Fairview Heights (143 and 3.92%).

The most popular majors in St. Clair County, IL are Liberal Arts & Sciences (398 and 10.9%), Biological & Physical Sciences (276 and 7.57%), and Welding Technology (253 and 6.94%).

The median tuition costs in St. Clair County, IL are $28,560 for private four year colleges, and $N/A and $N/A respectively, for public four year colleges for in-state students and out-of-state students.

Concentrations

Most Common

Registered Nursing
79 degree-majorss awarded
Liberal Arts & Sciences
397 degree-majorss awarded
Biological & Physical Sciences
276 degree-majorss awarded

In 2015, the most common concentation for Associates Degree recipients in St. Clair County, IL was Registered Nursing with 79 degree-majorss awarded.

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

Universities

Largest Universities by degrees awarded

Southwestern Illinois College
2,672 degrees awarded
McKendree University
830 degrees awarded
Vatterott College-Fairview Heights
143 degrees awarded

$N/A

Median In-State Public

$28,560

Median Private

In 2017, the St. Clair County, IL institution with the largest number of graduating students was Southwestern Illinois College with 2,672 degrees awarded.

Student Gender for Common Institutions

1,841

Degrees Awarded to Men

1,804

Degrees Awarded to Women

In 2017, 1,841 men were awarded degrees from institutions in St. Clair County, IL, which is 1.02 times more than the 1,804 female students who received degrees in the same year.

This chart displays the gender disparity between the institutions in St. Clair County, IL by degrees awarded.

Student Race and Ethnicity

Most Common Student Race or Ethnicity

White
2,691 degrees awarded
Black or African American
467 degrees awarded
Unknown
142 degrees awarded

In 2017 the majority of degrees awarded at institutions in St. Clair County, IL were to White students. These 2,691 degrees mean that there were 5.76 times more White students then the next closest race/ethnicity group, Black or African American, with 467 degrees awarded.

Housing & Living

The median property value in St. Clair County, IL was $132,200 in 2018, which is 0.576 times smaller than the national average of $229,700. Between 2017 and 2018 the median property value increased from $128,500 to $132,200, a 2.88% increase. The homeownership rate in St. Clair County, IL is 65.8%, which is higher than the national average of 63.9%. People in St. Clair County, IL have an average commute time of 24.5 minutes, and they commute by Drove Alone. Car ownership in St. Clair County, IL is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property Value

$132,200

2018 Median

± $6,559

$128,500

2017 Median

± $8,403

In 2018, the median property value in St. Clair County, IL grew to to $132,200 from the previous year's value of $128,500.

The following charts display, first, the property values in St. Clair County, IL compared to it's parent and neighbor geographies and, second, owner-occupied housing units distributed between a series of property value buckets compared to the national averages for each bucket. In St. Clair County, IL the largest share of households have a property value in the $200k - $250k range.

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$59,141

Median Household Income

± $3,899

105k

Number of Households

± 5,406

In 2018, the median household income of the 105k households in St. Clair County, IL grew to $59,141 from the previous year's value of $51,670.

The following chart displays the households in St. Clair 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.

Property Taxes

$3k+

Average Range

This chart shows the households in St. Clair County, IL distributed between a series of property tax buckets compared to the national averages for each bucket. In St. Clair County, IL the largest share of households pay taxes in the $3k+ range.

Rent vs Own

65.8%

2018 Homeownership

63.7%

2017 Homeownership

In 2018, 65.8% of the housing units in St. Clair County, IL were occupied by their owner. This percentage grew from the previous year's rate of 63.7%.

This percentage of owner-occupation is higher than the national average of 63.9%. This chart shows the ownership percentage in St. Clair County, IL compared it's parent and neighboring geographies.

Commute Time

24.5 minutes

Average Travel Time

Using averages, employees in St. Clair County, IL have a shorter commute time (24.5 minutes) than the normal US worker (25.7 minutes). Additionally, 1.55% of the workforce in St. Clair County, IL have "super commutes" in excess of 90 minutes.

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

Commuter Transportation

Most Common Method of Travel

Drove Alone
84.5%
Carpooled
7.54%
Worked At Home
2.91%

In 2018, the most common method of travel for workers in St. Clair County, IL was Drove Alone (84.5%), followed by those who Carpooled (7.54%) and those who Worked At Home (2.91%).

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.

Transportation

Car Ownership

2 cars

Average Number

The following chart displays the households in St. Clair County, IL distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in St. Clair County, IL have 2 cars, followed by 1 car.

Health

93.9% of the population of St. Clair County, IL has health coverage, with 44.2% on employee plans, 19.6% on Medicaid, 12.6% on Medicare, 12.2% on non-group plans, and 5.2% on military or VA plans.

Per capita personal health care spending in Illinois was $8,262 in 2014. This is a 4.44% increase from the previous year ($7,911).

Primary care physicians in St. Clair County, IL see 1693 patients per year on average, which represents a 1.23% decrease from the previous year (1714 patients). Compare this to dentists who see 1436 patients per year, and mental health providers who see 1090 patients per year.

Comparing across all counties in the state, Stephenson County and St. Clair County have the highest prevalence of diabetes (12.7%). Additionally, Stephenson County has the highest prevalence of adult obesity (35.7%)

Patient to Clinician Ratios

1,693 to 1

Patient to Primary Care Physician Ratio in St. Clair County, IL

Primary care physicians in St. Clair County, IL see an average of 1,693 patients per year. This represents a 1.23% decrease from the previous year (1,714 patients).

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

Behavioral Health Conditions

Data only available at the state level.

State with the Highest Prevalence

West Virginia
8.26% of the population affected
Arkansas
8.13% of the population affected
New Hampshire
7.98% of the population affected

In 2016, West Virginia had the highest prevalence of adults with major depressive episode, with 8.26% of the population affected. The second highest is Arkansas (8.13%), followed by New Hampshire (7.98%).

The following map shows the percent of individuals with major depressive episode by state over multiple years.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

Access and Quality

Data only available at state level.

Most prevalent states

Mississippi
19.2% of adults
Texas
17.9% of adults
Louisiana
17.6% of adults

In 2016, Mississippi had the highest prevalence of adults who haven't seen a doctor in the past 12 months due to cost, at 19.2%. It is followed by Texas (17.9%) and Louisiana (17.6%).

The following map shows the prevalence of adults who haven't seen a doctor in the past 12 months due to cost by state over multiple years.

Health Care Spending

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

$8,262

Total Per Capita Spending on Personal Health Care in Illinois

$4,875

Per Enrollee Private Health Insurance Spending on Personal Health Care

$4,959

Per Enrollee Medicaid Spending on Personal Health Care

$11,116

Per Enrollee Medicare Spending on Personal Health Care

Between 2013 and 2014, all personal health care spending per capita in Illinois (including private, Medicare, and Medicaid) grew 4.44%, from $7,911 to $8,262.

The following chart shows how this spending changed over time in comparison to Medicaid, Medicare, and private insurance spending, per enrollee.

Health Care Coverage

6.12%

Uninsured

44.2%

Employer Coverage

19.6%

Medicaid

12.6%

Medicare

12.2%

Non-Group

5.2%

Military or VA

Between N/A and 2017, the percent of uninsured citizens in St. Clair County, IL N/A by N/A from N/A% to 6.12%.

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