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. For every 100 females there are 92.2 males.
Data after 2023 is projected based on recent change
The racial composition of Adair includes 94.59% White, 5.41% Black or African American, and smaller percentages for and multiracial populations.
White (94.59%)
Black or African American (5.41%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 140 | 94.59% |
| Black or African American | 8 | 5.41% |
Married
Widowed
Divorced
Separated
Never Married
Adair's average per capita income is $37,125. Household income levels show a median of $0. The poverty rate stands at 14.86%.
Name | Median | Mean |
|---|---|---|
| Families | $91,146 | $80,624 |
| Married Families | $90,208 | - |
| Households | - | $59,881 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate