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 and multiracial populations.

Population by Race

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%

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