Adair

County:: McDonough County
County Seat:: No
Area (mi²):: 0.43
State:: Illinois

Adair is a CDP located in McDonough County, Illinois. Adair has a 2025 population of 256. Adair is currently growing at a rate of 1.19% annually and its population has increased by 43.02% since the most recent census, which recorded a population of 179 in 2020.

The average household income in Adair is $59,881 with a poverty rate of 14.86%. The median age in Adair is 38.3 years: 40.6 years for males, and 19.8 years for females.

Demographics

The racial composition of Adair includes 94.59% White, 5.41% Black or African American, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	140	94.59%
Black or African American	8	5.41%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Adair Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Adair's average per capita income is $37,125. Household income levels show a median of $0. The poverty rate stands at 14.86%.

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
Families	$91,146	$80,624
Married Families	$90,208	-
Households	-	$59,881
Non Families	-	-

$37,125

Average Income

$0

Median Household Income

14.86%

Poverty Rate