Fairfield Flag

Fairfield

County:
Wayne County
County Seat:
Yes
Area (mi²):
36.4
State:
Illinois

Fairfield is located in Wayne County, Illinois. Fairfield has a 2025 population of 356 . It is also the county seat of Wayne County . Fairfield is currently declining at a rate of -0.84% annually and its population has decreased by -3.26% since the most recent census, which recorded a population of 368 in 2020.

The average household income in Fairfield is $101,312 with a poverty rate of 0%. The median age in Fairfield is 63.8 years: 62 years for males, and 64.6 years for females. For every 100 females there are 114.0 males.

356
Total Population
10
Density (mi²)
-3 -0.84%
Growth

Fairfield Population

Fairfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Fairfield includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White92100%

Fairfield Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfield's average per capita income is $44,500. Household income levels show a median of $93,854. The poverty rate stands at 0%.

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$108,523-
Families$94,688$116,785
Households$93,854$101,312
Non Families--

$44,500

Average Income

$93,854

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)