Caseyville is a village located in St. Clair County, Illinois. Caseyville has a 2025 population of 4,395 . Caseyville is currently declining at a rate of 0% annually and its population has increased by 0.07% since the most recent census, which recorded a population of 4,392 in 2020.
The average household income in Caseyville is $70,590 with a poverty rate of 17.9%. The median age in Caseyville is 42.7 years: 43.1 years for males, and 42.4 years for females. For every 100 females there are 122.6 males.
Data after 2023 is projected based on recent change
The racial composition of Caseyville includes 73.29% White, 11.29% Black or African American, 8.06% other race, and smaller percentages for and multiracial populations.
White (73.29%)
Black or African American (11.29%)
Other race (8.06%)
Two or more races (7.36%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,056 | 73.29% |
| Black or African American | 471 | 11.29% |
| Other race | 336 | 8.06% |
| Two or more races | 307 | 7.36% |
Married
Widowed
Divorced
Separated
Never Married
Caseyville's average per capita income is $42,443. Household income levels show a median of $57,919. The poverty rate stands at 17.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $71,809 | - |
| Families | $70,013 | $78,828 |
| Households | $57,919 | $70,590 |
| Non Families | $46,250 | $48,808 |
Average Income
Median Household Income
Poverty Rate