Madison County's estimated 2026 population is 262,903 with a growth rate of -0.08% 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 -2.38% since that time.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 41.2 years
Male: 39.3 years
There are 207,890 adults, (48,934 of whom are seniors) in Madison County.
Female: 135,078 (51.1%)
Male: 129,160 (48.9%)
The racial composition of Madison County includes 83.04% White, 7.82% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 219,413 | 83.04% |
| Black or African American | 20,666 | 7.82% |
| Two or more races | 18,528 | 7.01% |
| Other race | 2,819 | 1.07% |
| Asian | 2,245 | 0.85% |
| Native American | 500 | 0.19% |
| Native Hawaiian or Pacific Islander | 67 | 0.03% |
Madison County's average per capita income is $53,993. Household income levels show a median of $75,793. The poverty rate stands at 11.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,190 | $139,287 |
| Families | $97,683 | $118,795 |
| Households | $75,793 | $98,419 |
| Non Families | $46,382 | $60,234 |
Average Income
Median Household Income
Poverty Rate