Collinsville is a city located in Madison County, Illinois. Collinsville has a 2026 population of 23,465. Collinsville is currently declining at a rate of -0.64% annually and its population has decreased by -3.71% since the most recent census, which recorded a population of 24,368 in 2020.
The median household income in Collinsville is $67,612 with a poverty rate of 11.99%. The median age in Collinsville is 38.5 years: 37.1 years for males, and 41.4 years for females. For every 100 females there are 95.4 males.
Data after 2023 is projected based on recent change
Overall: 38.5 years
Female: 41.4 years
Male: 37.1 years
There are 19,286 adults, (4,375 of whom are seniors) in Collinsville.
Female: 12,299 (51.2%)
Male: 11,732 (48.8%)
The racial composition of Collinsville includes 71.84% White, 16.14% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,265 | 71.84% |
| Black or African American | 3,879 | 16.14% |
| Two or more races | 2,322 | 9.66% |
| Asian | 280 | 1.17% |
| Other race | 178 | 0.74% |
| Native American | 107 | 0.45% |
Collinsville 's average per capita income is $50,093. Household income levels show a median of $67,612. The poverty rate stands at 11.99%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,167 | - |
| Families | $84,140 | $96,622 |
| Households | $67,612 | $85,490 |
| Non Families | $43,570 | $64,538 |
Average Income
Median Household Income
Poverty Rate