Centralia township is located in Marion County, Illinois. Centralia township has a 2026 population of 13,677. Centralia township is currently declining at a rate of -0.59% annually and its population has decreased by -4.43% since the most recent census, which recorded a population of 14,311 in 2020.
The median household income in Centralia township is $51,444 with a poverty rate of 20.84%. The median age in Centralia township is 40.6 years: 39.5 years for males, and 41.4 years for females. For every 100 females there are 97.0 males.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 41.4 years
Male: 39.5 years
There are 10,785 adults, (2,918 of whom are seniors) in Centralia township.
Female: 7,127 (50.8%)
Male: 6,912 (49.2%)
The racial composition of Centralia township includes 84.81% White, 5.96% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,907 | 84.81% |
| Two or more races | 899 | 6.4% |
| Black or African American | 837 | 5.96% |
| Other race | 277 | 1.97% |
| Asian | 113 | 0.8% |
| Native American | 6 | 0.04% |
Centralia township 's average per capita income is $41,735. Household income levels show a median of $51,444. The poverty rate stands at 20.84%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,464 | - |
| Families | $73,373 | $84,628 |
| Households | $51,444 | $66,745 |
| Non Families | $32,690 | $40,043 |
Average Income
Median Household Income
Poverty Rate