Fairfield

County:: Wayne County
County Seat:: Yes
Area (mi²):: 4.097
State:: Illinois

Fairfield is a city located in Wayne County, Illinois. Fairfield has a 2025 population of 4,652. It is also the county seat of Wayne County. Fairfield is currently declining at a rate of -0.92% annually and its population has decreased by -4.4% since the most recent census, which recorded a population of 4,866 in 2020.

The average household income in Fairfield is $68,139 with a poverty rate of 18.45%. The median age in Fairfield is 44.5 years: 40.3 years for males, and 50.1 years for females.

Demographics

The racial composition of Fairfield includes 95.41% White, and smaller percentages for Two or more races, Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,444	95.41%
Two or more races	117	2.51%
Black or African American	37	0.79%
Asian	33	0.71%
Other race	27	0.58%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Fairfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfield's average per capita income is $40,027. Household income levels show a median of $41,026. The poverty rate stands at 18.45%.

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	$83,498	-
Families	$75,658	$101,327
Households	$41,026	$68,139
Non Families	$23,464	$28,042

$40,027

Average Income

$41,026

Median Household Income

18.45%

Poverty Rate