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 and multiracial populations.

Population by Race

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%

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