Fairview Heights is a city located in St. Clair County, Illinois. Fairview Heights has a 2026 population of 15,839. Fairview Heights is currently declining at a rate of -0.86% annually and its population has decreased by -4.96% since the most recent census, which recorded a population of 16,666 in 2020.
The median household income in Fairview Heights is $80,930 with a poverty rate of 8.83%. The median age in Fairview Heights is 41 years: 38.5 years for males, and 44.9 years for females. For every 100 females there are 108.3 males.
Data after 2023 is projected based on recent change
Overall: 41 years
Female: 44.9 years
Male: 38.5 years
There are 13,160 adults, (3,239 of whom are seniors) in Fairview Heights.
Female: 8,039 (48%)
Male: 8,706 (52%)
The racial composition of Fairview Heights includes 51.96% White, 27.69% Black or African American, 4.07% other race, 4.01% Asian, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,701 | 51.96% |
| Black or African American | 4,636 | 27.69% |
| Two or more races | 2,045 | 12.21% |
| Other race | 682 | 4.07% |
| Asian | 672 | 4.01% |
| Native Hawaiian or Pacific Islander | 9 | 0.05% |
Fairview Heights ' average per capita income is $51,719. Household income levels show a median of $80,930. The poverty rate stands at 8.83%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,841 | - |
| Families | $96,912 | $110,937 |
| Households | $80,930 | $92,734 |
| Non Families | $54,036 | $62,303 |
Average Income
Median Household Income
Poverty Rate