Franklin County Flag

Franklin County

State:
Illinois
County Seat:
Benton

Franklin County's estimated 2025 population is 36,984 with a growth rate of -0.21% in the past year according to the most recent United States census data. Franklin County is the 35th largest county in Illinois. The 2010 population was 40,035 and has seen a growth of -7.62% since that time.

36,984
Total Population
90
Population Density (mi²)
35
Population Rank (State)
-77 -0.21%
Annual Population Growth

Franklin County Population

Franklin County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Franklin County includes 94.82% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

94.82%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White35,59794.82%
Two or more races1,4113.76%
Other race1960.52%
Black or African American1680.45%
Asian1390.37%
Native American300.08%
Native Hawaiian or Pacific Islander00%

Franklin County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Franklin County's average per capita income is $40,634. Household income levels show a median of $53,471. The poverty rate stands at 16.91%.

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$82,020$96,983
Families$67,459$85,445
Households$53,471$69,811
Non Families$28,908$42,046

$40,634

Average Income

$53,471

Median Household Income

16.91%

Poverty Rate