Henderson County Flag

Henderson County

State:
Illinois
County Seat:
Oquawka

Henderson County's estimated 2025 population is 5,928 with a growth rate of -1.33% in the past year according to the most recent United States census data. Henderson County is the 92nd largest county in Illinois. The 2010 population was 7,344 and has seen a growth of -19.28% since that time.

5,928
Total Population
16
Population Density (mi²)
92
Population Rank (State)
-80 -1.33%
Annual Population Growth

Henderson County Population

Henderson County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Henderson County includes 95.16% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White5,98095.16%
Two or more races1893.01%
Other race851.35%
Black or African American160.25%
Native American120.19%
Asian20.03%

Henderson County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Henderson County's average per capita income is $41,885. Household income levels show a median of $65,651. The poverty rate stands at 11.56%.

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$89,250-
Families$76,563$84,172
Households$65,651$75,442
Non Families$33,409$50,788

$41,885

Average Income

$65,651

Median Household Income

11.56%

Poverty Rate