DeKalb Flag

DeKalb

County:
DeKalb County
County Seat:
No
Area (mi²):
35.073
State:
Illinois

DeKalb is located in DeKalb County, Illinois. DeKalb has a 2025 population of 43,120 . DeKalb is currently growing at a rate of 0.44% annually and its population has increased by 1.12% since the most recent census, which recorded a population of 42,643 in 2020.

The average household income in DeKalb is $66,065 with a poverty rate of 25.98%. The median age in DeKalb is 26.1 years: 25.6 years for males, and 26.4 years for females. For every 100 females there are 97.0 males.

43.1K
Total Population
1,229
Density (mi²)
187 0.44%
Growth

DeKalb Population

DeKalb Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of DeKalb includes 62.04% White, 15.16% Black or African American, 5.69% other race, 3.92% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

White (62.04%)

Black or African American (15.16%)

Two or more races (12.41%)

Other race (5.69%)

Asian (3.92%)

Native American (0.78%)

Race
Population
Percentage (of total)
White26,53262.04%
Black or African American6,48315.16%
Two or more races5,30812.41%
Other race2,4325.69%
Asian1,6773.92%
Native American3320.78%

DeKalb Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

DeKalb's average per capita income is $42,463. Household income levels show a median of $46,556. The poverty rate stands at 25.98%.

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$100,711-
Families$67,743$85,615
Households$46,556$66,065
Non Families$30,669$43,105

$42,463

Average Income

$46,556

Median Household Income

25.98%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)