Centreville township is located in St. Clair County, Illinois. Centreville township has a 2026 population of 18,937. Centreville township is currently declining at a rate of -0.83% annually and its population has decreased by -5.94% since the most recent census, which recorded a population of 20,133 in 2020.
The median household income in Centreville township is $34,675 with a poverty rate of 32.63%. The median age in Centreville township is 32.2 years: 30.6 years for males, and 33.1 years for females. For every 100 females there are 89.6 males.
Data after 2023 is projected based on recent change
Overall: 32.2 years
Female: 33.1 years
Male: 30.6 years
There are 13,061 adults, (2,574 of whom are seniors) in Centreville township.
Female: 10,377 (52.7%)
Male: 9,297 (47.3%)
The racial composition of Centreville township includes 65.69% Black or African American, 24.61% White, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 12,924 | 65.69% |
| White | 4,842 | 24.61% |
| Two or more races | 1,373 | 6.98% |
| Other race | 376 | 1.91% |
| Asian | 151 | 0.77% |
| Native American | 8 | 0.04% |
Centreville township 's average per capita income is $32,685. Household income levels show a median of $34,675. The poverty rate stands at 32.63%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,500 | - |
| Families | $40,183 | $62,222 |
| Households | $34,675 | $55,612 |
| Non Families | $30,451 | $39,472 |
Average Income
Median Household Income
Poverty Rate