Henderson Flag

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 255 . Henderson is currently declining at a rate of -0.78% annually and its population has decreased by -2.67% since the most recent census, which recorded a population of 262 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. For every 100 females there are 134.3 males.

255
Total Population
961
Density (mi²)
-2 -0.78%
Growth

Henderson Population

Henderson Population

Data after 2023 is projected based on recent change

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

White (81.82%)

Two or more races (13.83%)

Black or African American (4.35%)

Race
Population
Percentage (of total)
White20781.82%
Two or more races3513.83%
Black or African American114.35%

Henderson Marital Status

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

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

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)