Blair township Flag

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.

596
Total Population
16
Density (mi²)
-3 -0.5%
Growth

Blair township Population

Blair township Population

Data after 2023 is projected based on recent change

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)
White63395.62%
Native American182.72%
Black or African American111.66%

Blair township Marital Status

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

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

Nearby Cities

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)