Henderson

County:: Knox County
County Seat:: No
Area (mi²):: 0.265
State:: Illinois

Henderson is a village located in Knox County, Illinois. Henderson has a 2025 population of 251. Henderson is currently declining at a rate of -0.79% annually and its population has decreased by -4.56% since the most recent census, which recorded a population of 263 in 2020.

The average household income in Henderson is $62,454 with a poverty rate of 29.37%.The median age in Henderson is 26.6 years: 22.2 years for males, and 41.7 years for females.

Demographics

The racial composition of Henderson includes 81.82% White, 4.35% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	207	81.82%
Two or more races	35	13.83%
Black or African American	11	4.35%

Henderson Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Henderson's average per capita income is $33,750. Household income levels show a median of $51,875. The poverty rate stands at 29.37%.

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
Married Families	$91,875	-
Families	$56,250	$72,074
Households	$51,875	$62,454
Non Families	-	$48,352

$33,750

Average Income

$51,875

Median Household Income

29.37%

Poverty Rate