Adair Flag

Adair

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.

256
Total Population
596
Density (mi²)
3 1.19%
Growth

Adair Population

Adair Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Adair includes 94.59% White, 5.41% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White14094.59%
Black or African American85.41%

Adair Marital Status

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

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

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)