Belleville (French: Belle ville, meaning “Beautiful city”) is a city in St. Clair County, Illinois, coterminous with the now defunct Belleville Township. The population was 41,290 according to the Census Bureau’s 2018 estimates.
Belleville is located at 38°31′18″N 89°59′43″W / 38.52167°N 89.99528°W / 38.52167; -89.99528 (38.521567, -89.995208).
According to the 2010 census, Belleville has a total area of 23.009 square miles (59.59 km), of which 22.74 square miles (58.90 km) (or 98.83%) is land and 0.269 square miles (0.70 km) (or 1.17%) is water. Richland Creek flows through much of Belleville.
As of the census of 2000, there were 41,410 people, 17,603 households, and 10,420 families residing in the city. The population density was 2,196.4 people per square mile (848.2/km²). There were 19,142 housing units at an average density of 1,015.3 per square mile (392.1/km²). The racial makeup of the city was 81.51% White, 15.51% African American, 0.26% Native American, 0.81% Asian, 0.07% Pacific Islander, 0.41% from other races, and 1.43% from two or more races. Hispanic or Latino of any race were 1.63% of the population.
There were 17,603 households out of which 28.4% had children under the age of 18 living with them, 42.0% were married couples living together, 13.5% had a female householder with no husband present, and 40.8% were non-families. 35.1% of all households were made up of individuals and 14.0% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.95.
In the city, the population was spread out with 23.4% under the age of 18, 9.0% from 18 to 24, 30.3% from 25 to 44, 20.1% from 45 to 64, and 17.2% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 88.9 males. For every 100 females age 18 and over, there were 85.0 males.
The median income for a household in the city was $35,979, and the median income for a family was $46,426. Males had a median income of $33,361 versus $25,375 for females. The per capita income for the city was $18,990. About 9.3% of families and 11.7% of the population were below the poverty line, including 16.2% of those under age 18 and 9.3% of those age 65 or over.
As of the 2010 Census, there were 44,478 people, 18,795 households, 11,081 families residing in the city. The population density was. The racial makeup of the city was 69.8% White, 25.4% African American, 0.3% Native American, 1.0% Asian, 0.1% Pacific Islander, 0.6% from other races, and 2.8% from two or more races. Hispanic or Latino of any race were 2.6% of the population
There were 18,795 households out of which 27.7% had children under the age of 18 living with them, 38% were married couples living together, 16.4 had a female householder with no present present, and 41% were non-families. 34.4% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age of older. The average household size was 2.3 and the average family size was 2.9.
In the city, the population was spread out with 23.3% under the age of 18, and 12.9% over the age of 65