Fairview Heights

County:: St. Clair County
County Seat:: No
Area (mi²):: 11.431
State:: Illinois

Fairview Heights is a city located in St. Clair County, Illinois. Fairview Heights has a 2025 population of 15,763. Fairview Heights is currently declining at a rate of -1.14% annually and its population has decreased by -5.42% since the most recent census, which recorded a population of 16,667 in 2020.

The average household income in Fairview Heights is $94,611 with a poverty rate of 9.11%.The median age in Fairview Heights is 41.6 years: 40 years for males, and 44 years for females.

Demographics

The racial composition of Fairview Heights includes 52.46% White, 32.25% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	8,527	52.46%
Black or African American	5,243	32.25%
Two or more races	1,821	11.2%
Asian	450	2.77%
Other race	205	1.26%
Native Hawaiian or Pacific Islander	9	0.06%

Fairview Heights Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairview Heights' average per capita income is $50,862. Household income levels show a median of $77,960. The poverty rate stands at 9.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$115,027	-
Families	$93,778	$118,442
Households	$77,960	$94,611
Non Families	$51,491	$56,940

$50,862

Average Income

$77,960

Median Household Income

9.11%

Poverty Rate