Blair is located in Clay County, Illinois. Blair has a 2025 population of 590 . Blair is currently declining at a rate of -1.01% annually and its population has decreased by -4.99% since the most recent census, which recorded a population of 621 in 2020.
The average household income in Blair is $73,513 with a poverty rate of 19.87%. The median age in Blair is 60.8 years: 61.8 years for males, and 56.2 years for females. For every 100 females there are 87.0 males.
Data after 2023 is projected based on recent change
The racial composition of Blair includes 95.62% White, and smaller percentages for Native American, Black or African American and multiracial populations.
White (95.62%)
Native American (2.72%)
Black or African American (1.66%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 633 | 95.62% |
| Native American | 18 | 2.72% |
| Black or African American | 11 | 1.66% |
Married
Widowed
Divorced
Separated
Never Married
Blair's average per capita income is $48,833. Household income levels show a median of $63,295. The poverty rate stands at 19.87%.
Name | Median | Mean |
|---|---|---|
| Non Families | $65,833 | $57,019 |
| Married Families | $64,545 | - |
| Households | $63,295 | $73,513 |
| Families | $61,938 | $78,207 |
Average Income
Median Household Income
Poverty Rate