De Witt County Flag

De Witt County

State:
Illinois
County Seat:
Sycamore

De Witt County's estimated 2025 population is 15,365 with a growth rate of 0% in the past year according to the most recent United States census data. De Witt County is the 69th largest county in Illinois. The 2010 population was 16,589 and has seen a growth of -7.38% since that time.

15,365
Total Population
39
Population Density (mi²)
69
Population Rank (State)
0 0%
Annual Population Growth

De Witt County Population

De Witt County Population

Data after 2023 is projected based on recent change

5K10K15K20K1840186018801900192019401960198020002020YearPopulation

Demographics

The racial composition of De Witt County includes 94.5% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White14,61094.5%
Two or more races5373.47%
Black or African American1601.03%
Other race710.46%
Native American520.34%
Asian310.2%

De Witt County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

De Witt County's average per capita income is $47,052. Household income levels show a median of $64,802. The poverty rate stands at 10.1%.

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$101,035-
Families$89,912$103,347
Households$64,802$83,717
Non Families$37,440$51,203

$47,052

Average Income

$64,802

Median Household Income

10.1%

Poverty Rate