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 Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	207	81.82%
Two or more races	35	13.83%
Black or African American	11	4.35%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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