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Belleville, IL
Key Indicators
A quick look at key numbers
Population
41,370
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
39.1
years ∙ half population younger than 39.1, half older
Diversity Index
56.8%
chance two random people differ in race and ethnicity
Nativity
2.9%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Belleville is a city within St. Clair County, Illinois, United States.
Co-ordinates
DEC38.515973° N, 89.989779° W
DMS38° 30′ 57.50″ N, 89° 59′ 23.20″ W
Population Density & area
1,783/sq mi
(687.2/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
46.5%
male
Male
46.5%
Female
53.5%
males per 100 females
Belleville
86.8
St. Clair County
94.3
Illinois
97.7
Nativity
2.9%
foreign-born population
% Foreign-born
Belleville
2.9%
St. Clair County
3.3%
Illinois
14.7%
Age Distribution
How the population is spread across age groups
Median Age
39.1
years ∙ half population younger than 39.1, half older
Dependency ratio
63.7
dependents per 100 working-age adults
Belleville
63.7
St. Clair County
67.7
Illinois
63.5
AGE DISTRIBUTION
Distribution of age group
Median age
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 22.6% | 23% | 21.8% |
| Working age (18-64) | 61% | 59.7% | 61.2% |
| Senior (65+) | 16.4% | 17.3% | 17% |
| Dependency ratio | |||
| Total dependency ratio | 63.7 | 67.7 | 63.5 |
| Child dependency ratio | 36.9 | 38.6 | 35.7 |
| Old-age dependency ratio | 26.8 | 29.1 | 27.8 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
56.8%
chance two random people differ in race and ethnicity
Belleville
56.8%
St. Clair County
56.8%
Illinois
60.5%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Belleville population
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Hispanic or Latino | 2.9% | 5.1% | 18.8% |
| Mexican | 1.7% | 3.2% | 14.4% |
| Puerto Rican | 0.3% | 0.6% | 1.6% |
| Cuban | 0.1% | 0.2% | 0.3% |
| Other Hispanic / Latino | 0.8% | 1.2% | 2.5% |
| Not Hispanic or Latino | 97.1% | 94.9% | 81.2% |
| One race | 90.8% | 89.1% | 77.8% |
| White | 56.7% | 59.1% | 58.1% |
| Black or African American | 32.5% | 27.7% | 13.3% |
| American Indian and Alaska Native | 0.1% | 0.2% | 0.1% |
| Asian | 1% | 1.6% | 5.9% |
| Native Hawaiian and Other Pacific Islander | 0.1% | 0% | 0% |
| Some Other Race | 0.4% | 0.5% | 0.4% |
| Two or more races (Multiracial) | 6.3% | 5.8% | 3.4% |
Household & Families Composition
Household size, type, and family structure
Household structure
54.2%
family
Family
54.2%
Non family
45.8%
% family households
Belleville
54.2%
St. Clair County
63%
Illinois
62.2%
Average household size
2.24
persons per household
Household & Family COMPOSITION
Households
Percentage of Belleville population
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Total households | 17,646 | 100,846 | 5,036,449 |
| Average houshold size | 2.24 | 2.47 | 2.46 |
| Family households | 9,556 | 63,574 | 3,130,978 |
| Average family size | 3.06 | 3.13 | 3.14 |
| Married couple family | 6,160 | 44,820 | 2,282,435 |
| Other families | 3,396 | 18,754 | 848,543 |
| Male householder | 689 | 4,465 | 248,521 |
| Female householder | 2,707 | 14,289 | 600,022 |
| Non-family households | 8,090 | 37,272 | 1,905,471 |
| One-person households | 7,052 | 32,115 | 1,569,881 |
| Male householder | 2,794 | 14,239 | 712,191 |
| Senior (65+) living alone | 757 | 4,709 | 210,051 |
| Female householder | 4,258 | 17,876 | 857,690 |
| Senior (65+) living alone | 1,626 | 9,089 | 417,870 |
| Other living arrangements | 1,038 | 5,157 | 335,590 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
20,212
housing units
Belleville
20,212
St. Clair County
115,630
Illinois
5,457,452
Occupancy status
87.3%
occupied
Occupied
87.3%
Vacant
12.7%
vacancy rate
Belleville
12.7%
St. Clair County
12.8%
Illinois
7.7%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
71.2%
Single family houses
Median Year Built
1963
Half of houses were built before 1963, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 5.5 | 5.8 | 5.6 |
| 1–3 rooms | 13% | 9.4% | 14.6% |
| 4–6 rooms | 55% | 53.4% | 50.9% |
| 7+ rooms | 32% | 37.2% | 34.6% |
| Bedrooms | |||
| No bedroom / studio | 3.9% | 1.9% | 3.1% |
| 1 bedroom | 13.8% | 8.7% | 11.5% |
| 2 bedrooms | 30.2% | 27.3% | 27.7% |
| 3 bedrooms | 36.5% | 39% | 35.8% |
| 4+ bedrooms | 15.6% | 23.1% | 21.7% |
| At a glance | |||
| Median year built | 1963 | 1977 | 1971 |
| Total housing units | 20,212 | 115,630 | 5,457,452 |
Occupancy Profile
Who is inside and how they use it
Homeownership
60.1%
owners
Renter-occupied
39.9%
Owner-occupied
60.1%
homeownership rate
Belleville
60.1%
St. Clair County
68.4%
Illinois
67.1%
Average household size
2.37
Owner-occupied
2.04
Renter-occupied
owner-occupied average size
Belleville
2.37
St. Clair County
2.58
Illinois
2.62
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Total occupied units | 17,646 | 100,846 | 5,036,449 |
| Year moved in | |||
| 2020 or later | 24.3% | 21.8% | 23.3% |
| 2010 to 2019 | 38.8% | 38.4% | 38.1% |
| 2000 to 2009 | 15.6% | 17.4% | 17.3% |
| 1999 or earlier | 21.4% | 22.4% | 21.3% |
| Occupants per room | |||
| 1.00 or fewer | 98.4% | 98.2% | 97.5% |
| 1.01 to 1.50 | 1.2% | 1.1% | 1.6% |
| 1.51 or more | 0.4% | 0.7% | 0.8% |
| Vehicles availability | |||
| No vehicles | 8.2% | 7.5% | 11% |
| 1 vehicle | 43% | 34.6% | 35.7% |
| 2 vehicles | 33.7% | 37% | 35.1% |
| 3 or more vehicles | 15.1% | 20.9% | 18.3% |
| House heating fuel used | |||
| Gas | 66.7% | 65.2% | 79.5% |
| Electricity | 32.4% | 33.4% | 18.6% |
| Solar | 0.1% | 0.1% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.2% | 0.1% |
| All other fuels | 0.4% | 0.6% | 0.8% |
| No fuel used | 0.4% | 0.5% | 0.8% |
| Selected characteristics | |||
| Lacking complete plumbing | 0.2% | 0.2% | 0.3% |
| Lacking complete kitchen | 1.1% | 1.1% | 0.8% |
| No telephone service available | 0.9% | 0.7% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$141,300
owner-occupied units
Housing Cost Burden
20.6%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Property value | |||
| Median Value | $141,300 | $180,300 | $263,300 |
| Under $100,000 | 30.5% | 27.1% | 13.7% |
| $100,000 - $200,000 | 42.9% | 28.3% | 21.5% |
| $200,000 - $300,000 | 16.3% | 22.3% | 22.3% |
| $300,000 - $500,000 | 8% | 18.2% | 27.7% |
| $500,000 - $1,000,000 | 2% | 3.8% | 12.1% |
| $1,000,000 and more | 0.3% | 0.3% | 2.7% |
| Owner-occupied households | |||
| With a mortgage | 61.3% | 58.9% | 60.8% |
| Without a mortgage | 38.7% | 41.1% | 39.2% |
| Median monthly owner costs | |||
| With a mortgage | $1,445 | $1,645 | $1,987 |
| Without a mortgage | $648 | $645 | $792 |
| Gross rent | |||
| Median rent | $1,019 | $1,090 | $1,274 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
28%
of adults 25+ with a bachelor's degree or higher
Belleville
28%
St. Clair County
31.8%
Illinois
37.8%
Adults without a high school diploma
5.1%
of adults (25+) without a high school diploma
Belleville
5.1%
St. Clair County
6.6%
Illinois
9.6%
School Enrollment
Who is enrolled in school and at what level
School enrollment
9,865
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
26.4%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Total enrolled (age 3+) | 9,865 | 62,797 | 3,051,569 |
| Nursery / preschool | 3.7% | 5.9% | 6.3% |
| K–12 | 75.3% | 70.3% | 67.3% |
| Kindergarten | 6.6% | 5.3% | 4.9% |
| Elementary: Grades 1–4 | 19% | 19.5% | 19.5% |
| Elementary: Grades 5–8 | 23.1% | 22.6% | 20.8% |
| High School: Grades 9–12 | 26.6% | 22.9% | 22.1% |
| College or graduate school | 21% | 23.9% | 26.4% |
| College, undergraduate | 17.5% | 18.2% | 19.8% |
| Graduate, professional school | 3.5% | 5.6% | 6.6% |
| College-going rate · 18-24 yr olds | 26.4% | 32.1% | 41.4% |
| School type | |||
| Public school | 85.1% | 82.5% | 80.5% |
| Private school | 14.9% | 17.5% | 19.5% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
29,030
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Population (25+) | 29,030 | 174,645 | 8,767,004 |
| Less than 9th grade | 1.7% | 2.2% | 4.6% |
| 9th–12th, no diploma | 3.4% | 4.4% | 5% |
| High school diploma or GED | 28.5% | 27% | 25.1% |
| Some college, no degree | 28.2% | 23.5% | 19.2% |
| Associate's degree | 10.2% | 11.2% | 8.3% |
| Bachelor's degree or higher | 28% | 31.8% | 37.8% |
| Bachelor's degree | 15.6% | 18% | 22.6% |
| Graduate or professional | 12.3% | 13.8% | 15.3% |
| High School or higher | 94.9% | 93.5% | 90.5% |
Earnings by education level
percentage as applicable
Median Earnings
$45,234
Median earnings for adults 25+, by level
Poverty Rate
5.5%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Belleville | St. Clair County | Illinois | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $45,234 | $50,612 | $55,582 |
| Less than high school graduate | $23,079 | $30,433 | $34,655 |
| High school graduate (includes equivalency) | $24,946 | $35,670 | $40,965 |
| Some college or associate's degree | $44,775 | $46,016 | $47,813 |
| Bachelor's degree | $55,107 | $61,938 | $73,326 |
| Graduate or professional degree | $75,220 | $82,412 | $91,623 |
| Poverty rates | |||
| Less than high school graduate | 33.5% | 30.4% | 21.6% |
| High school graduate (includes equivalency) | 26.5% | 17.4% | 14.4% |
| Some college or associate's degree | 10.5% | 9.2% | 9.9% |
| Bachelor's degree or higher | 5.5% | 4.1% | 4.5% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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