Belleville, Illinois Population 2023

41,783

Belleville is a city located in St. Clair County Illinois. It is also the county seat of St. Clair County. With a 2023 population of 41,783, it is the 37th largest city in Illinois and the 1075th largest city in the United States.Belleville is currently declining at a rate of -0.49% annually and its population has decreased by -1.46% since the most recent census, which recorded a population of 42,404 in 2020. Spanning over 23 miles, Belleville has a population density of 1,799 people per square mile.

The average household income in Belleville is $62,548 with a poverty rate of 14.17%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Belleville is 38.1 years, 37.3 years for males, and 39.3 years for females.

Belleville Demographics

According to the most recent ACS, the racial composition of Belleville was:

  • White: 69.12%
  • Black or African American: 23.80%
  • Two or more races: 5.00%
  • Other race: 1.33%
  • Asian: 0.43%
  • Native American: 0.25%
  • Native Hawaiian or Pacific Islander: 0.07%
The current population of Belleville, Illinois is 41,783 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 42,404.

Belleville, Illinois Population 2023

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Belleville Population by Race

Belleville Population Pyramid 2023

Belleville Median Age

38.1

Total

37.3

Male

39.3

Female

Belleville Adults

There are 32,017 adults, (5,725 of whom are seniors) in Belleville.

Belleville Age Dependency

56.9

Age Dependency Ratio

21.8

Old Age Dependency Ratio

35.1

Child Dependency Ratio

Belleville Sex Ratio

Female21,37651.81%
Male19,88048.19%

Belleville Population by Age

Belleville Renter vs Owner Occupied by Household Type

3.13

Average Family Size

2.25

Average Household Size

62.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Belleville Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Belleville Educational Attainment by Sex (over 25)

Belleville Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 44.94%.

Belleville Educational Attainment by Race

All

Male

Female

$37,067

Average Earnings

$41,227

Average Male

$34,145

Average Female

Belleville Earnings by Educational Attainment

Belleville Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Belleville Language

95.60% of Belleville residents speak only English, while 4.40% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.02% of the population.

Belleville Language

Belleville Poverty by Race

rate

14.17%

Overall Poverty Rate

12.14%

Male Poverty Rate

11.64%

Female Poverty Rate

Poverty in Belleville

The race most likely to be in poverty in Belleville is Other, with 29.76% below the poverty level.

The race least likely to be in poverty in Belleville is White, with 8.92% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.51%. Among those working part-time, it was 18.69%, and for those that did not work, the poverty rate was 20.96%.

Belleville Poverty

Belleville Poverty Rate by Education

Belleville Poverty Rate by Employment Status and Sex

Belleville Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Belleville Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

40.7%

Overall Marriage Rate

41.2%

Male Marriage Rate

40.3%

Female Marriage Rate

Belleville Married by Age and Sex

male

female

Belleville Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Belleville Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Belleville Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,687

Number of Veterans

3,121

Male Veterans

566

Female Veterans

Belleville Veterans by War

Belleville Veterans by Age

count

Belleville Veterans by Race

Belleville Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.19%

Veteran Poverty Rate

24.35%

Veteran Disability Rate

Belleville Veterans by Education

LaborForceParticipation

67.3%

Labor Force Participation

62.7%

Employment Rate

4.7%

Unemployment Rate

Belleville Employment by Age

LaborForceParticipation

Belleville Employment by Race

LaborForceParticipation

Belleville Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

61.79%

Born in Belleville

94.98%

Native Born

2.31%

Foreign Born

1.19%

Non Citizen

1.12%

Naturalized

Place of Birth

94.98% of Belleville residents were born in the United States, with 61.79% having been born in Illinois. 1.19% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Belleville Place of Birth

Note: data after 2020 is projected based on recent growth

Belleville Population by Year