Madison County's estimated 2025 population is 261,112 with a growth rate of -0.31% in the past year according to the most recent United States census data. Madison County is the 8th largest county in Illinois. The 2010 population was 269,315 and has seen a growth of -3.05% since that time.
Data after 2023 is projected based on recent change
The racial composition of Madison County includes 84% White, 8.64% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 222,292 | 84% |
| Black or African American | 22,853 | 8.64% |
| Two or more races | 13,972 | 5.28% |
| Asian | 2,683 | 1.01% |
| Other race | 2,456 | 0.93% |
| Native American | 312 | 0.12% |
| Native Hawaiian or Pacific Islander | 63 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Madison County's average per capita income is $52,040. Household income levels show a median of $74,800. The poverty rate stands at 11.29%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,867 | $137,225 |
| Families | $96,412 | $117,537 |
| Households | $74,800 | $97,667 |
| Non Families | $45,465 | $58,715 |
Average Income
Median Household Income
Poverty Rate