Henry County Flag

Henry County

State:
Illinois
County Seat:
Cambridge

Henry County's estimated 2025 population is 48,152 with a growth rate of -0.31% in the past year according to the most recent United States census data. Henry County is the 29th largest county in Illinois. The 2010 population was 50,459 and has seen a growth of -4.57% since that time.

48,152
Total Population
59
Population Density (miĀ²)
29
Population Rank (State)
-148 -0.31%
Annual Population Growth

Henry County Population

Henry County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Henry County includes 88.49% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White43,31688.49%
Two or more races3,0646.26%
Other race1,2902.64%
Black or African American1,0712.19%
Asian1920.39%
Native Hawaiian or Pacific Islander100.02%
Native American50.01%

Henry County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Henry County's average per capita income is $49,201. Household income levels show a median of $69,912. The poverty rate stands at 8.06%.

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$105,078-
Families$89,207$110,463
Households$69,912$91,842
Non Families$41,340$50,477

$49,201

Average Income

$69,912

Median Household Income

8.06%

Poverty Rate