Blair township

County:: Clay County
County Seat:: No
Area (mi²):: 36.195
State:: Illinois

Blair township is located in Clay County, Illinois. Blair township has a 2025 population of 596. Blair township is currently declining at a rate of -0.5% annually and its population has decreased by -3.56% since the most recent census, which recorded a population of 618 in 2020.

The average household income in Blair township is $73,513 with a poverty rate of 19.87%.The median age in Blair township is 60.8 years: 61.8 years for males, and 56.2 years for females.

Demographics

The racial composition of Blair township includes 95.62% White, and smaller percentages for Native American, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	633	95.62%
Native American	18	2.72%
Black or African American	11	1.66%

Blair township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Blair township's average per capita income is $48,833. Household income levels show a median of $63,295. The poverty rate stands at 19.87%.

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
Non Families	$65,833	$57,019
Married Families	$64,545	-
Households	$63,295	$73,513
Families	$61,938	$78,207

$48,833

Average Income

$63,295

Median Household Income

19.87%

Poverty Rate