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, Native American and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

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%
Native American	0	0%

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