DeKalb

County:: DeKalb County
County Seat:: No
Area (mi²):: 17.33
State:: Illinois

DeKalb is a city located in DeKalb County, Illinois. DeKalb has a 2025 population of 40,205. DeKalb is currently declining at a rate of -0.01% annually and its population has decreased by -0.03% since the most recent census, which recorded a population of 40,219 in 2020.

The average household income in DeKalb is $65,561 with a poverty rate of 25.7%. The median age in DeKalb is 25.4 years: 25 years for males, and 26 years for females.

Demographics

The racial composition of DeKalb includes 62.59% White, 15.2% Black or African American, 5.28% other race, 3.9% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	25,328	62.59%
Black or African American	6,149	15.2%
Two or more races	4,940	12.21%
Other race	2,137	5.28%
Asian	1,578	3.9%
Native American	332	0.82%
Native Hawaiian or Pacific Islander	0	0%

DeKalb Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

DeKalb's average per capita income is $43,030. Household income levels show a median of $46,564. The poverty rate stands at 25.7%.

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	$103,117	-
Families	$67,617	$84,714
Households	$46,564	$65,561
Non Families	$30,789	$43,086

$43,030

Average Income

$46,564

Median Household Income

25.7%

Poverty Rate