Lee County Flag

Lee County

State:
Illinois
County Seat:
Dixon

Lee County's estimated 2025 population is 33,086 with a growth rate of -0.85% in the past year according to the most recent United States census data. Lee County is the 42nd largest county in Illinois. The 2010 population was 35,978 and has seen a growth of -8.04% since that time.

33,086
Total Population
46
Population Density (miĀ²)
42
Population Rank (State)
-284 -0.85%
Annual Population Growth

Lee County Population

Lee County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lee County includes 86.75% White, 5.36% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White29,54686.75%
Two or more races2,0866.12%
Black or African American1,8265.36%
Other race3851.13%
Asian1810.53%
Native American280.08%
Native Hawaiian or Pacific Islander60.02%

Lee County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lee County's average per capita income is $47,733. Household income levels show a median of $68,459. The poverty rate stands at 11.72%.

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$102,776-
Families$85,122$107,103
Households$68,459$88,472
Non Families$37,358$53,111

$47,733

Average Income

$68,459

Median Household Income

11.72%

Poverty Rate