2023 St. Clair County, Illinois Demographics | Comprehensive Overview

Data and insights for St. Clair County, Illinois, including population, age & gender distribution, race & ethnicity, median & household income distribution, property value distribution, educational attainment, health insurance coverage, nativity & citizenship, commuting & transportation, employment, veteran service, poverty & income and SNAP/food stamp recipients. Based on 2023 American Community Survey Estimates.

St. Clair County, Illinois Key Demographic Statistics (2023 Estimates)

Key demographic statistics summarized from the U.S. Census Bureau's 2023 American Community Survey (ACS).

Total Population
254,777
Median Age
39.5 years
Median Household Income
$70,178
Median Property Value
$168,800
Bachelor's Degree+
30.74%
Uninsured Rate
5.4%
Total Households
101,273
Total Workers
117,273
Citizenship Rate
98.6%
Total Veterans
22,616
Top Veteran Era
Vietnam Era Only
Poverty Rate
9.5%
Families in Poverty
6,073
SNAP Recipients
16.36%
Households w/ SNAP
16,565

Source: U.S. Census Bureau, 2023 American Community Survey (ACS) Estimates

St. Clair County, Illinois Demographics: Age & Gender Distribution (2023)

Population pyramid for St. Clair County, Illinois showing male vs female age distribution based on 2023 ACS data.
Figure: Population distribution by age and sex in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Key Demographic Indicators for St. Clair County, Illinois

The following statistics highlight St. Clair County, Illinois population and median age, based on U.S. Census Bureau 2023 ACS Estimates.

Total Population
254,777
Median Age (Total)
39.5 years
Median Age (Male)
38.2 years
Median Age (Female)
40.7 years

St. Clair County, Illinois Age Distribution Comparison with Illinois 2023

Compare St. Clair County, Illinois age demographics with Illinois to understand regional demographic patterns.

Table: Comparative age and dependency ratio analysis between St. Clair County, Illinois and Illinois, 2023
MetricSt. Clair County, IllinoisIllinoisDifference
Median Age39.5 yrs39.4 yrs +0.1 yrs
Under 5 years5.85%5.15% +0.7pp
Children (5–17 years)17.44%16.03% +1.4pp
Young Adults (18–24)8.13%9.19% -1.1pp
Middle-aged (35–54)25.30%25.72% -0.4pp
Seniors (65+)16.77%17.90% -1.1pp
Total Dependency Ratio66.8264.15 +2.7

Note: "pp" indicates percentage points. "yrs" indicates years. The dependency ratio measures the burden on working-age population (18-64) to support dependents (under 18 and 65+).

Dependency Ratios Analysis

Total Dependency Ratio
66.82
Youth Dependency Ratio
38.85 Population under 18 relative to working age (18-64).
Old-Age Dependency Ratio
27.97 Population 65+ relative to working age (18-64).

A higher ratio indicates a greater financial and social burden on the working population to support non-working age groups.

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St. Clair County, Illinois Demographics: Racial and Ethnic Composition (2023)

Pie chart showing the racial and ethnic composition of St. Clair County, Illinois based on 2023 ACS data.
Figure: Racial and ethnic breakdown of St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Diversity & Cultural Composition of St. Clair County, Illinois

The racial makeup and ethnic composition of St. Clair County, Illinois are detailed below, drawing from the U.S. Census Bureau's 2023 ACS Estimates.

Diversity Index Score
56.33
Diversity Tier
moderate
Definition
The probability that two individuals chosen at random will be from different racial or ethnic groups.

Diversity Comparison with Illinois

Compare St. Clair County, Illinois racial and ethnic demographics with Illinois to understand regional diversity patterns.

St. Clair County, Illinois Diversity

56.33

moderate
Illinois Diversity

61.43

high
Diversity Differential: St. Clair County, Illinois is 5.1 points less diverse than Illinois.

Racial and Ethnic Composition Comparison

Table: Comparative racial and ethnic composition between St. Clair County, Illinois and Illinois, 2023
Racial/Ethnic GroupSt. Clair County, IllinoisIllinoisDifference
White Alone (Non-Hispanic)59.47%57.09% +2.4pp
Black/African American Alone27.81%12.93% +14.9pp
Two or More Races5.49%3.78% +1.7pp
Hispanic or Latino (Any Race)4.95%19.38% -14.4pp
Asian Alone1.54%6.34% -4.8pp
Some Other Race Alone0.50%0.33% +0.2pp
American Indian and Alaska Native Alone0.22%0.11% +0.1pp
Native Hawaiian or Other Pacific Islander Alone0.02%0.02% 0.0pp
Diversity Index Score56.3361.43 -5.1

Note: "pp" indicates percentage points. Higher Diversity Index Scores (green) indicate greater racial/ethnic diversity.

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St. Clair County, Illinois Economic Demographics: Household Income Statistics (2023)

Line chart showing household income distribution brackets for St. Clair County, Illinois based on 2023 ACS data.
Figure: Household income distribution in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Economic Snapshot for St. Clair County, Illinois

The following data illustrates the financial landscape of St. Clair County, Illinois, based on the latest U.S. Census Bureau 2023 ACS Estimates.

Median Household Income
$70,178 (Adjusted for inflation)
Total Households Analyzed
101,273

Income Comparison with Illinois

Compare St. Clair County, Illinois household income with Illinois to understand regional economic patterns.

St. Clair County, Illinois

$70,178

Illinois

$83,211

Income Differential: St. Clair County, Illinois's median household income is $13,033 lower (15.7% below) than Illinois.

Income Distribution Comparison

Table: Comparative household income distribution between St. Clair County, Illinois and Illinois, 2023
Income BracketSt. Clair County, IllinoisIllinoisDifference
Less than $20,00012.69%11.32% +1.4pp
$20,000 to $34,99911.87%9.17% +2.7pp
$35,000 to $49,99912.47%9.91% +2.6pp
$50,000 to $74,99915.95%14.77% +1.2pp
$75,000 to $149,99928.98%30.69% -1.7pp
$150,000 or more18.05%24.14% -6.1pp

Note: "pp" indicates percentage points. Higher percentages in high-income brackets (green) indicate greater affluence compared to Illinois.

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St. Clair County, Illinois Real Estate Demographics: Property Values (2023)

Line chart showing property value distribution for owner-occupied homes in St. Clair County, Illinois based on 2023 ACS data.
Figure: Property value distribution in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Real Estate Market Snapshot for St. Clair County, Illinois

The following data highlights the distribution of owner-occupied housing values in St. Clair County, Illinois, based on the latest U.S. Census Bureau 2023 ACS Estimates.

Median Property Value
$168,800
Total Properties Analyzed
68,653 (Owner-occupied units)

Property Value Comparison with Illinois

Compare St. Clair County, Illinois property values with Illinois to understand regional real estate market patterns.

St. Clair County, Illinois

$168,800

Illinois

$280,700

Property Value Differential: St. Clair County, Illinois's median property value is $111,900 lower (39.9% below) than Illinois.

Property Value Distribution Comparison

Table: Comparative property value distribution between St. Clair County, Illinois and Illinois, 2023
Value BracketSt. Clair County, IllinoisIllinoisDifference
Less than $25,0005.52%2.91% +2.6pp
$25,000 to $49,9996.61%2.44% +4.2pp
$50,000 to $99,99916.23%7.65% +8.6pp
$100,000 to $199,99930.62%19.43% +11.2pp
$200,000 to $499,99937.67%50.96% -13.3pp
$500,000 to $999,9993.24%15.26% -12.0pp
$1,000,000 or more0.12%1.35% -1.2pp

Note: "pp" indicates percentage points. Higher percentages in high-value brackets (green) indicate more expensive real estate compared to Illinois.

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St. Clair County, Illinois Educational Attainment Statistics (2023)

Treemap chart illustrating educational attainment levels for adults 25+ in St. Clair County, Illinois based on 2023 ACS data.
Figure: Educational breakdown in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Education Snapshot for St. Clair County, Illinois

The following statistics represent the educational background of residents aged 25 and older in St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

High School Graduate or Higher
92.74%
Bachelor's Degree or Higher
30.74%
Total Population Analyzed (25+)
174,733

Education Level Comparison with Illinois

Compare St. Clair County, Illinois educational attainment with Illinois to understand regional education patterns.

Bachelor's+ in St. Clair County, Illinois

30.74%

Bachelor's+ in Illinois

39.23%

College Education Rate: St. Clair County, Illinois's bachelor's degree or higher attainment rate is 8.5 percentage points lower than Illinois.

Detailed Education Level Comparison

Table: Comparative educational attainment between St. Clair County, Illinois and Illinois, 2023
Education LevelSt. Clair County, IllinoisIllinoisDifference
Less than HS7.26%9.28% -2.0pp
HS Graduate27.01%24.61% +2.4pp
Some College/Associate's34.99%26.88% +8.1pp
Bachelor's Degree17.57%23.32% -5.8pp
Graduate/Professional13.18%15.91% -2.7pp
HS Graduate or Higher92.74%90.72% +2.0pp

Note: "pp" indicates percentage points. Higher percentages in advanced education levels (green badges) indicate higher educational attainment compared to Illinois.

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St. Clair County, Illinois Health Insurance Coverage Statistics (2023)

Pyramid chart showing health insurance coverage distribution by age and sex in St. Clair County, Illinois based on 2023 ACS data.
Figure: Health insurance coverage gaps in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Healthcare Coverage Snapshot for St. Clair County, Illinois

The following data illustrates the health coverage landscape of St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

Overall Uninsured Rate
5.4%
Total Uninsured Population
13,498
Total Civilian Population
248,186

The uninsured rates vary significantly by demographic group. Children under 18 and seniors aged 65+ generally have higher coverage rates due to public programs like Medicaid/CHIP and Medicare.

Health Insurance Coverage Comparison with Illinois

Compare St. Clair County, Illinois health insurance coverage with Illinois to understand regional healthcare access patterns.

Uninsured in St. Clair County, Illinois

5.4%

Uninsured in Illinois

6.9%

Coverage Gap Differential: St. Clair County, Illinois's uninsured rate is 1.5 percentage points lower (better coverage) than Illinois.

Uninsured Rates by Age and Sex

Table: Comparative uninsured rates between St. Clair County, Illinois and Illinois, 2023
Age GroupSt. Clair County, IllinoisIllinois
MaleFemaleMaleFemale
Under 183.6%2.4%3.8%3.5%
18-34 years13.8%9.6%13.8%9.9%
35-64 years8.2%4.5%9.8%7.7%
65+ years0.2%0.1%1.0%0.8%

Note: Lower uninsured rates indicate better health insurance coverage. The 18-34 age group typically has the highest uninsured rates, while seniors 65+ have near-universal coverage through Medicare.

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St. Clair County, Illinois Nativity & Citizenship Statistics (2023)

Treemap showing population distribution by nativity and citizenship status in St. Clair County, Illinois based on 2023 ACS data.
Figure: Citizenship status breakdown in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Citizenship Snapshot for St. Clair County, Illinois

The following data details the citizenship status and nativity of the population in St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

U.S. Citizenship Rate
98.6% (Native-born + Naturalized)
Naturalized Citizens
4,625 (Foreign-born individuals who acquired citizenship)
Non-Citizen Residents
3,531

Citizenship Comparison with Illinois

Compare St. Clair County, Illinois citizenship and nativity with Illinois to understand regional immigration and naturalization patterns.

Citizenship in St. Clair County, Illinois

98.6%

Citizenship in Illinois

92.6%

Citizenship Rate Differential: St. Clair County, Illinois's citizenship rate is 6.0 percentage points higher than Illinois.

Nativity and Citizenship Comparison

Table: Comparative nativity and citizenship distribution between St. Clair County, Illinois and Illinois, 2023
Nativity/Citizenship StatusSt. Clair County, IllinoisIllinoisDifference
Born in the United States95.2%83.4% +11.8pp
Born in PR or U.S. Territories0.2%0.4% -0.2pp
Born abroad of American parent(s)1.4%0.9% +0.5pp
U.S. citizen by naturalization1.8%8.0% -6.2pp
Not a U.S. citizen1.4%7.4% -6.0pp
Total U.S. Citizens98.6%92.6% +6.0pp

Note: "pp" indicates percentage points. Higher naturalization rates (green) indicate greater immigrant integration compared to Illinois.

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St. Clair County, Illinois Commuting & Transportation Statistics (2023)

Treemap chart illustrating how workers in St. Clair County, Illinois commute to work based on 2023 ACS data.
Figure: Commute mode split in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Commuter Snapshot for St. Clair County, Illinois

The following data details the commuting habits of the workforce in St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

Drove to Work (Car/Truck/Van)
84.6%
Public Transportation Usage
1.9%
Work From Home Rate
10.9%
Total Workers Analyzed
118,534

Transportation Comparison with Illinois

Compare St. Clair County, Illinois commuting patterns with Illinois to understand regional transportation preferences.

Drove in St. Clair County, Illinois

84.6%

Drove in Illinois

74.3%

Driving Rate Differential: St. Clair County, Illinois has a 10.3 percentage points higher driving rate than Illinois.

Commute Mode Comparison

Table: Comparative commuting patterns between St. Clair County, Illinois and Illinois, 2023
Transportation MethodSt. Clair County, IllinoisIllinoisDifference
Car, truck, or van84.6%74.3% +10.3pp
Public transportation1.9%7.0% -5.1pp
Bicycle0.1%0.6% -0.5pp
Walked1.5%3.1% -1.6pp
Taxicab, motorcycle, or other1.0%1.4% -0.4pp
Worked from home10.9%13.6% -2.7pp

Note: "pp" indicates percentage points. Higher public transit or work-from-home rates (green) indicate more diverse commuting options compared to Illinois.

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St. Clair County, Illinois Employment by Class of Worker (2023)

Bar chart showing employment distribution by class of worker (Private, Government, Self-Employed) in St. Clair County, Illinois based on 2023 ACS data.
Figure: Workforce composition in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Workforce Snapshot for St. Clair County, Illinois

The following statistics categorize the civilian employed population aged 16 and over in St. Clair County, Illinois by their employment sector, based on U.S. Census Bureau 2023 ACS Estimates.

Total Employed Civilian Population
117,273
Private Sector (Profit & Non-Profit)
Includes For-Profit and Non-Profit organizations
Government Workers
Includes Local, State, and Federal employees
Self-Employed Workers
Includes own not incorporated business workers

Employment Sector Comparison with Illinois

Compare St. Clair County, Illinois employment patterns with Illinois to understand regional workforce composition differences.

Government Employment in St. Clair County, Illinois

7.7% (M) / 9.2% (F)

Government Employment in Illinois

5.6% (M) / 7.7% (F)

Employment Sector Comparison

Table: Comparative employment sector distribution between St. Clair County, Illinois and Illinois, 2023
Employment SectorSt. Clair County, IllinoisIllinoisDifference
Private For-Profit (Combined)M: 36.7%
F: 33.1%		M: 40.0%
F: 31.7%		 M: -3.3pp
F: +1.4pp
Private Non-ProfitM: 2.6%
F: 6.4%		M: 3.3%
F: 6.9%		 M: -0.7pp
F: -0.5pp
Government (All Levels)M: 7.7%
F: 9.2%		M: 5.6%
F: 7.7%		 M: +2.1pp
F: +1.5pp
Self-EmployedM: 2.2%
F: 1.9%		M: 2.7%
F: 1.9%		 M: -0.5pp
F: 0.0pp

Note: "pp" indicates percentage points. M = Male, F = Female. Green badges indicate higher government employment compared to Illinois.

Definitions: "Private sector" includes employees of for-profit and non-profit companies. "Government" includes all local, state, and federal employees. "Self-employed" refers to those operating their own unincorporated businesses.

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St. Clair County, Illinois Veteran Population & Service Statistics (2023)

Bar chart showing the distribution of veterans by period of military service in St. Clair County, Illinois based on 2023 ACS data.
Figure: Veteran service eras in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Veteran Community Snapshot for St. Clair County, Illinois

The following data details the civilian veteran population aged 18 and over in St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

Total Civilian Veterans
22,616
Primary Service Era
Vietnam Era Only
4,791 veterans (21.2%)

Veteran Population Comparison with Illinois

Compare St. Clair County, Illinois veteran demographics with Illinois to understand regional veteran service patterns.

Total Veterans in St. Clair County, Illinois

22,616

Total Veterans in Illinois

493,667

Primary Service Era Comparison:
  • St. Clair County, Illinois: Vietnam Era Only (21.2%)
  • Illinois: Vietnam Era Only (33.8%)

Service Period Distribution Comparison

Table: Comparative veteran service period distribution between St. Clair County, Illinois and Illinois, 2023
Service PeriodSt. Clair County, IllinoisIllinoisDifference
Vietnam Era Only21.2%
(4,791)		33.8%
(167,029)		 -12.6pp
Post-9/11 + Gulf War19.3%
(4,375)		5.9%
(29,308)		 +13.4pp
Post-9/11 Only16.3%
(3,690)		15.7%
(77,477)		 +0.6pp
Gulf War Only16.1%
(3,630)		13.0%
(64,276)		 +3.1pp
Between Gulf War & Vietnam12.9%
(2,923)		14.7%
(72,625)		 -1.8pp
Gulf War + Vietnam4.2%
(956)		0.8%
(4,181)		 +3.4pp
Between Vietnam & Korean4.0%
(900)		8.0%
(39,388)		 -4.0pp
Korean War Only3.5%
(790)		5.5%
(26,956)		 -2.0pp
WWII Only0.9%
(206)		1.6%
(8,078)		 -0.7pp
Post-9/11 + Gulf War + Vietnam0.7%
(148)		0.2%
(1,069)		 +0.5pp
Korean + WWII0.6%
(128)		0.2%
(848)		 +0.4pp
Vietnam + Korean0.3%
(61)		0.1%
(709)		 +0.2pp
Between Korean & WWII0.1%
(18)		0.3%
(1,386)		 -0.2pp

Note: "pp" indicates percentage points. Comparisons show relative proportions of veteran populations by service era.

Note: Periods of service include World War II (Dec 1941–Dec 1946), Korean War (Jul 1950–Jan 1955), Vietnam Era (Aug 1964–Apr 1975), Gulf War (Aug 1990–Aug 2001), and Post-9/11 (Sept 2001 or later). Veterans may have served in multiple eras.

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St. Clair County, Illinois Family Poverty & Income Statistics (2023)

Bar chart showing family distribution by income-to-poverty ratio in St. Clair County, Illinois, based on 2023 ACS data.
Figure: Family economic status in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

Family Economic Security Snapshot for St. Clair County, Illinois

The following data categorizes families in St. Clair County, Illinois by their income relative to the federal poverty threshold, based on U.S. Census Bureau 2023 ACS Estimates.

Families Below Poverty Line (<100%)
9.5% (6,073 families)
Families Near Poverty (100-199%)
29.4% (18,904 families)
Families with Secure Income (200%+)
61.1% (39,264 families)

Poverty Rate Comparison with Illinois

Compare St. Clair County, Illinois poverty levels with Illinois to understand regional economic disparities.

Poverty Rate in St. Clair County, Illinois

9.5%

Below poverty line
Poverty Rate in Illinois

8.0%

Below poverty line
Poverty Rate Differential: St. Clair County, Illinois has a 1.5 percentage points higher poverty rate than Illinois.

Income-to-Poverty Ratio Distribution Comparison

Table: Comparative family income-to-poverty ratio distribution between St. Clair County, Illinois and Illinois, 2023
Income CategorySt. Clair County, IllinoisIllinoisDifference
Below Poverty (<100%)9.5%
(6,073)		8.0%
(251,655)		 +1.5pp
Near Poverty (100-199%)29.4%
(18,904)		25.2%
(791,090)		 +4.2pp
Economic Security (200%+)61.1%
(39,264)		66.8%
(2,096,595)		 -5.7pp
Detailed Breakdown
Below 50% of Poverty5.1%3.8% +1.3pp
50-74% of Poverty2.4%2.0% +0.4pp
75-99% of Poverty1.9%2.2% -0.3pp
100-124% of Poverty2.9%2.7% +0.2pp
125-149% of Poverty2.5%2.8% -0.3pp
150-174% of Poverty3.5%3.0% +0.5pp

Note: "pp" indicates percentage points. Red badges indicate higher poverty; green badges indicate lower poverty compared to Illinois.

Definition: The "Income-to-Poverty Ratio" measures a family's income against the federal poverty threshold. A ratio below 1.00 means the family is in poverty. Ratios between 1.00 and 1.99 indicate low income ("near poverty"), while ratios of 2.00 or higher suggest greater economic security.

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St. Clair County, Illinois SNAP/Food Stamps Statistics (2023)

Stacked bar chart showing SNAP recipient household composition by presence of children in St. Clair County, Illinois, based on 2023 ACS data.
Figure: SNAP household demographics in St. Clair County, Illinois. Source: U.S. Census Bureau, 2023 ACS Estimates.

SNAP Participation Snapshot for St. Clair County, Illinois

The following data details household participation in the Supplemental Nutrition Assistance Program (SNAP) in St. Clair County, Illinois, based on U.S. Census Bureau 2023 ACS Estimates.

Total Households Receiving SNAP
16,565 (16.36% of all households)
Recipient Households with Children
7,939 (47.93% of recipients)
Total Households Analyzed
101,273

SNAP Participation Comparison with Illinois

Compare St. Clair County, Illinois SNAP participation with Illinois to understand regional food assistance needs.

SNAP Participation in St. Clair County, Illinois

16.36%

16,565 households
SNAP Participation in Illinois

13.38%

682,969 households
SNAP Participation Differential: St. Clair County, Illinois has a 2.98 percentage points higher SNAP participation rate than Illinois.

SNAP Household Composition Comparison

Table: Comparative SNAP recipient household composition between St. Clair County, Illinois and Illinois, 2023
Household TypeSt. Clair County, IllinoisIllinois
With ChildrenNo ChildrenWith ChildrenNo Children
Married-Couple Family10.05%
(1,665)		5.91%
(979)		14.56%
(99,422)		7.75%
(52,955)
Male Householder, No Spouse5.57%
(923)		4.18%
(692)		4.79%
(32,693)		3.57%
(24,402)
Female Householder, No Spouse31.32%
(5,188)		8.81%
(1,459)		22.12%
(151,063)		8.44%
(57,670)
Nonfamily Households0.98%
(163)		33.18%
(5,496)		0.61%
(4,169)		38.16%
(260,595)
Total SNAP Recipients16,565
(16.36% of households)		682,969
(13.38% of households)

Note: Percentages represent the share of SNAP-receiving households in each category. Higher percentages in households with children often indicate targeting of families with greater nutritional needs.

About this data: The Supplemental Nutrition Assistance Program (SNAP) provides food assistance to low-income families. Households with children often face higher participation rates due to eligibility guidelines prioritizing child nutrition. "Nonfamily households" typically refer to individuals living alone or with unrelated roommates.

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Frequently Asked Questions (FAQs)

The age breakdown for St. Clair County, Illinois is as follows: Under 5: 5.85%, Ages 5–17: 17.44%, Ages 18–24: 8.13%, Ages 25–34: 12.77%, Ages 35–54: 25.30%, Ages 55–64: 13.75%, and 65 or older: 16.77%.

The racial and ethnic composition of St. Clair County, Illinois is dominated by: White Alone (Non-Hispanic): 59.47%, Black/African American Alone: 27.81%, Two or More Races: 5.49%. The complete breakdown includes 8 distinct racial and ethnic categories.

The median household income in St. Clair County, Illinois is $70,178. This represents the midpoint of all household incomes in the area, meaning half of households earn more than this amount and half earn less.

The household income distribution in St. Clair County, Illinois is: Very Low Income (under $20,000): 12.69%, Low Income ($20,000-$34,999): 11.87%, Lower Middle Income ($35,000-$49,999): 12.47%, Middle Income ($50,000-$74,999): 15.95%, Upper Middle Income ($75,000-$149,999): 28.98%, High Income ($150,000+): 18.05%.

Approximately 33.91% of households in St. Clair County, Illinois earn over $100,000 annually. This includes households earning between $100,000 and $124,999, $125,000 and $149,999, $150,000 and $199,999, and $200,000 or more.

The median property value for owner-occupied housing units in St. Clair County, Illinois is $168,800. This represents the midpoint of all property values in the area, meaning half of homes are valued above this amount and half are valued below. The median is a better indicator of typical home values than the average because it is not skewed by extremely high or low property values.

The property value distribution for owner-occupied housing units in St. Clair County, Illinois is: Less than $25,000: 5.52%, $25,000-$49,999: 6.61%, $50,000-$99,999: 16.23%, $100,000-$199,999: 30.62%, $200,000-$499,999: 37.67%, $500,000-$999,999: 3.24%, $1,000,000 or more: 0.12%.

There are 68,653 owner-occupied housing units in St. Clair County, Illinois. This represents homes that are owned by the people living in them, as opposed to rental properties or vacant units.

Approximately 3.35% of owner-occupied housing units in St. Clair County, Illinois are valued over $500,000. This includes properties valued between $500,000 and $749,999, $750,000 and $999,999, $1,000,000 and $1,499,999, $1,500,000 and $1,999,999, and $2,000,000 or more.

In St. Clair County, Illinois, 30.74% of the population aged 25 and older holds a bachelor's degree or higher. This includes those with bachelor's degrees as well as those with graduate or professional degrees.

The educational attainment breakdown for St. Clair County, Illinois (population 25+) is: Less than high school graduate: 7.26%, High school graduate (including equivalency): 27.01%, Some college or associate's degree: 34.99%, Bachelor's degree: 17.57%, Graduate or professional degree: 13.18%.

In St. Clair County, Illinois, 92.74% of the population aged 25 and older has completed at least a high school education. This includes high school graduates, those with some college, associate's degrees, bachelor's degrees, and graduate degrees.

In St. Clair County, Illinois, 5.4% of the population lacks health insurance coverage. This represents 13,498 individuals out of a total population of 248,186 people.

The uninsured rates vary by age group in St. Clair County, Illinois. For young adults (18-34 years), 13.8% of males and 9.6% of females lack coverage. In the 35-64 age group, 8.2% of males and 4.5% of females are uninsured. These working-age populations typically face different coverage challenges than children or seniors.

Children under 18 in St. Clair County, Illinois have uninsured rates of 3.6% for males and 2.4% for females. Seniors aged 65 and older, who are typically covered by Medicare, have uninsured rates of 0.2% for males and 0.1% for females. These age groups generally have higher coverage rates due to public programs.

In St. Clair County, Illinois, 98.6% of the population are U.S. citizens. This includes native-born citizens and naturalized citizens. Out of a total population of 254,777 people, 251,246 are U.S. citizens.

St. Clair County, Illinois has 4,625 naturalized U.S. citizens, representing 1.8% of the total population. These are foreign-born individuals who have gone through the naturalization process to become U.S. citizens.

The nativity and citizenship breakdown for St. Clair County, Illinois is: 95.2% were born in the United States, 0.2% were born in Puerto Rico or U.S. Island Areas, 1.4% were born abroad of American parent(s), 1.8% are foreign-born naturalized U.S. citizens, and 1.4% are foreign-born non-citizens.

In St. Clair County, Illinois, 84.6% of workers commute by car, truck, or van, making it the most common means of transportation to work. Out of 118,534 total workers, 100,281 use personal vehicles for their commute.

2,245 workers in St. Clair County, Illinois use public transportation (excluding taxicabs) to commute to work, representing 1.9% of all workers. This includes buses, subways, light rail, commuter trains, and ferries.

Alternative commute methods in St. Clair County, Illinois include: 10.9% work from home, 1.5% walk to work, 0.1% bicycle, and 1.0% use other means such as taxicabs or motorcycles. These alternatives to driving alone help reduce traffic congestion and environmental impact.

"Class of worker" refers to the type of employer or work arrangement for employed civilians aged 16 and over in St. Clair County, Illinois. It categorizes workers into private sector (for-profit and non-profit), government (local, state, and federal), self-employed, and unpaid family workers. This classification helps understand the employment structure and economic composition of the workforce.

According to the American Community Survey, St. Clair County, Illinois has 117,273 employed civilians aged 16 and over. The private for-profit sector employs the largest share of workers, with 36.7% of male workers and 33.1% of female workers in this category.

In St. Clair County, Illinois, there are 9,058 male government workers and 10,831 female government workers. Government employment includes local, state, and federal positions. This represents 7.7% of male workers and 9.2% of female workers.

Self-employment in St. Clair County, Illinois includes 2,552 males (2.2%) and 2,223 females (1.9%). Self-employed workers operate their own businesses that are not legally incorporated.

In St. Clair County, Illinois, 16,565 households (16.36% of all households) received SNAP/Food Stamps benefits in the past 12 months. Out of 101,273 total households, these families rely on this federal nutrition assistance program to help purchase food.

Of the SNAP-receiving households in St. Clair County, Illinois, 7,939 (47.93%) have children under 18 years. These families face additional nutritional needs and food security challenges as they work to provide adequate nutrition for growing children.

SNAP recipients in St. Clair County, Illinois include diverse household types. Among households with children, 5,188 (31.32%) are headed by a female householder with no spouse present, while 1,665 (10.05%) are married-couple families. The program also serves households without children, including seniors, disabled individuals, and working adults facing economic challenges.

The Supplemental Nutrition Assistance Program (SNAP), formerly known as Food Stamps, is a federal program that provides nutrition assistance to low-income individuals and families. Eligibility is based on household income, resources, and size. In St. Clair County, Illinois, SNAP helps eligible households purchase nutritious food at authorized retailers. The program aims to alleviate hunger and improve nutrition and health outcomes for vulnerable populations.

According to the U.S. Census Bureau's American Community Survey, there are 22,616 civilian veterans aged 18 and over living in St. Clair County, Illinois. These individuals have served on active duty in the U.S. Army, Air Force, Navy, Marine Corps, or Coast Guard. This number does not include those with only National Guard or Reserves training without active duty service.

The most common period of military service for veterans in St. Clair County, Illinois is Vietnam Era Only, with 4,791 veterans (21.2% of all veterans) who served during this period. The second most common period is Post-9/11 + Gulf War, with 4,375 veterans (19.3%).

"Period of service" categorizes veterans based on when they served on active duty in the U.S. Armed Forces. Major periods include World War II (December 1941-December 1946), the Korean War (July 1950-January 1955), the Vietnam Era (August 1964-April 1975), the Gulf War (August 1990-August 2001), and Post-9/11 (September 2001 or later). Veterans may have served during multiple periods. Understanding the distribution of service periods helps communities in St. Clair County, Illinois provide appropriate services and support to their veteran population.

Veterans who served during the Gulf War era (1990-2001) and Post-9/11 era (2001-present) represent approximately 69.5% of all veterans in St. Clair County, Illinois. These more recent-era veterans, totaling around 15,722 individuals, often have different service experiences and support needs compared to veterans of earlier conflicts. They may benefit from targeted programs addressing issues such as transition to civilian life, employment assistance, and access to VA healthcare services.

In St. Clair County, Illinois, 6,073 families (9.5% of all families) live below the federal poverty line. This means their household income is less than 100% of the poverty threshold established by the U.S. Census Bureau, which varies by family size and composition. Out of 64,241 total families, these households face significant economic challenges meeting basic needs.

"Income-to-poverty ratio" measures how a family's income compares to the federal poverty threshold. A ratio of 1.00 (100%) means the family's income equals the poverty line. Below 1.00 indicates poverty, while ratios above 1.00 show income levels relative to poverty. For example, a ratio of 2.00 (200%) means the family earns twice the poverty threshold. In St. Clair County, Illinois, this data helps identify not just families in poverty, but also those who are economically vulnerable despite being above the official poverty line.

Beyond families living in poverty, St. Clair County, Illinois has 18,904 families (29.4%) with incomes between 100% and 199% of the poverty level. These families are often called 'near poverty' or low-income households. Specifically, 5,680 families (8.8%) have incomes between 100% and 149% of poverty. While technically above the poverty line, these families often struggle with housing costs, healthcare, childcare, and other expenses, making them economically vulnerable.

In St. Clair County, Illinois, 3,292 families (5.1%) live in extreme poverty, with incomes below 50% of the federal poverty threshold. These families face severe economic hardship and often require comprehensive assistance programs. On the other end of the spectrum, 39,264 families (61.1%) have incomes at least 200% above the poverty level, indicating greater financial stability and economic security.