Belleville, IL Profile: Facts & Data


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Belleville, Illinois - Basic Facts

The City of Belleville had a population of 42,289 as of July 1, 2018. Belleville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Belleville is located at latitude 38.5151 and longitude -89.9862 in St. Clair County. The formal boundaries for the City of Belleville (see map below) encompass a land area of 22.41 sq. miles and a water area of 0.27 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 515 feet.

The City of Belleville (GNIS ID: 2394118) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Belleville is located within Township of Belleville, a minor civil division (MCD) of St. Clair County.

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  1. Belleville 2018 Demographic Data
  2. Growth Rates for Belleville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Belleville, IL Data & Demographics (As of July 1, 2018)


Total Population 42,289
Population in Households 40,919
Population in Familes 31,169
Population in Group Qrtrs 1,370
Population Density2 1,887
Diversity Index3 50


Median Household Income $47,323
Average Household Income $61,240
Per Capita Income $26,831


Total Housing Units 20,919 (100%)
Owner Occupied HU 10,861 (51.9%)
Renter Occupied HU 7,013 (33.5%)
Vacant Housing Units 3,045 (14.6%)
Median Home Value $109,316
Average Home Value $132,358


Total Households 17,874
Average Household Size 2.29
Family Households 10,417
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population -0.41% -0.41%
Households -0.44% -0.4%
Families -0.52% -0.55%
Median Household Income   1.3%
Per Capita Income   2.02%

Belleville, IL - Peer Comparisons by Rank and Percentile

The table below compares Belleville to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 38 97th
Population Density # 306 78th
Diversity Index # 184 87th
Median Household Income # 964 30th
Per Capita Income # 751 45th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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