Fayette County Flag

Fayette County

State:
Illinois
County Seat:
Vandalia

Fayette County's estimated 2025 population is 20,952 with a growth rate of -0.5% in the past year according to the most recent United States census data. Fayette County is the 54th largest county in Illinois. The 2010 population was 22,140 and has seen a growth of -5.37% since that time.

20,952
Total Population
29
Population Density (mi²)
54
Population Rank (State)
-106 -0.5%
Annual Population Growth

Fayette County Population

Fayette County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Fayette County includes 89.4% White, 3.77% Black or African American, and smaller percentages for Native American, other race, Native Hawaiian or Pacific Islander, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White19,11389.4%
Two or more races1,2225.72%
Black or African American8053.77%
Native American1080.51%
Other race580.27%
Native Hawaiian or Pacific Islander420.2%
Asian320.15%

Fayette County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fayette County's average per capita income is $39,810. Household income levels show a median of $57,113. The poverty rate stands at 16.48%.

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$82,606-
Families$72,652$95,729
Households$57,113$77,408
Non Families$30,768$40,158

$39,810

Average Income

$57,113

Median Household Income

16.48%

Poverty Rate