DeKalb, Illinois Population 2024

40,074

DeKalb is a city located in DeKalb County Illinois. DeKalb has a 2024 population of 40,074. DeKalb is currently declining at a rate of -0.18% annually and its population has decreased by -0.35% since the most recent census, which recorded a population of 40,216 in 2020.

The average household income in DeKalb is $65,075 with a poverty rate of 26.57%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in DeKalb is 24.9 years, 24.6 years for males, and 25.7 years for females.

DeKalb Demographics

According to the most recent ACS, the racial composition of DeKalb was:

  • White: 65.43%
  • Black or African American: 14.64%
  • Two or more races: 9.03%
  • Other race: 5.24%
  • Asian: 4.82%
  • Native American: 0.84%
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
16.1 sq mi
Density (mi²)
2,483.0/sq mi
Growth Since 2020
-0.35% (-142)
The current population of DeKalb, Illinois is 40,074 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 40,216.

DeKalb, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White26,62865.43%
Black or African American5,95914.64%
Two or more races3,6739.03%
Other race2,1335.24%
Asian1,9634.82%
Native American3410.84%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

DeKalb Population by Race

DeKalb Population Pyramid 2024

DeKalb Median Age

24.9

Total

24.6

Male

25.7

Female

DeKalb Adults

There are 33,106 adults, (4,105 of whom are seniors) in DeKalb.

DeKalb Age Dependency

40.3

Age Dependency Ratio

14.2

Old Age Dependency Ratio

26.2

Child Dependency Ratio

DeKalb Sex Ratio

Female20,41050.15%
Male20,28749.85%

DeKalb Population by Age

DeKalb Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All16,0432.342.157.9
Non Family8,4101.442377
Married4,7453.2179.720.3
Female2,1203.4331.968.1
Male7683.146.553.5
showing: 5 rows

3.12

Average Family Size

2.3

Average Household Size

42.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

DeKalb Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

DeKalb Educational Attainment by Sex (over 25)

DeKalb Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 96.22%.

The highest rate of bachelors degrees is among asian people with a rate of 69.35%.

DeKalb Educational Attainment by Race

All

Male

Female

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$40,908

Average Earnings

$47,869

Average Male

$31,018

Average Female

DeKalb Earnings by Educational Attainment

DeKalb Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

DeKalb Language

81.03% of DeKalb residents speak only English, while 18.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.72% of the population.

DeKalb Language

DeKalb Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White22,2394,81721.66%
Black5,0382,15742.81%
Hispanic6,1061,69927.83%
Asian1,72191853.34%
Multiple3,40190726.67%
Other2,04068133.38%
Native3386519.23%
showing: 7 rows

26.57%

Overall Poverty Rate

25.92%

Male Poverty Rate

27.23%

Female Poverty Rate

Poverty in DeKalb

The race most likely to be in poverty in DeKalb is Asian, with 53.34% below the poverty level.

The race least likely to be in poverty in DeKalb is Native, with 19.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.81%. Among those working part-time, it was 33.11%, and for those that did not work, the poverty rate was 37.86%.

DeKalb Poverty

rate

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Rate
Poverty
Less Than 9th Grade22.16%
High School22.13%
Some College14.58%
Bachelors or Greater6.82%
showing: 4 rows

DeKalb Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed54.31%
Male Unemployed49.24%
Female Employed19.74%
Male Employed10.3%
showing: 4 rows

DeKalb Poverty Rate by Employment Status and Sex

DeKalb Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

DeKalb Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

29.5%

Overall Marriage Rate

30.8%

Male Marriage Rate

28.3%

Female Marriage Rate

DeKalb Married by Age and Sex

male

female

DeKalb Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

DeKalb Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

DeKalb Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,661

Number of Veterans

1,324

Male Veterans

337

Female Veterans

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DeKalb Veterans by War

count

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DeKalb Veterans by Age

count

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DeKalb Veterans by Race

DeKalb Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.25%

Veteran Poverty Rate

13.76%

Veteran Disability Rate

DeKalb Veterans by Education

LaborForceParticipation

67.3%

Labor Force Participation

60.1%

Employment Rate

10.7%

Unemployment Rate

DeKalb Employment by Age

LaborForceParticipation

DeKalb Employment by Race

LaborForceParticipation

DeKalb Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

72.3%

Born in DeKalb

89.98%

Native Born

10.02%

Foreign Born

6.41%

Non Citizen

3.61%

Naturalized

Place of Birth

89.98% of DeKalb residents were born in the United States, with 72.3% having been born in Illinois. 6.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

DeKalb Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202939,709-73-0.18%
202839,782-73-0.18%
202739,855-73-0.18%
202639,928-73-0.18%
202540,001-73-0.18%
202440,074-73-0.18%
202340,147-73-0.18%
202240,220-73-0.18%
202140,293770.19%
202040,216-2,734-6.37%
201942,9501490.35%
201842,801-70-0.16%
201742,871470.11%
201642,824-166-0.39%
201542,990-266-0.61%
201443,256-9-0.02%
201343,265-249-0.57%
201243,514-206-0.47%
201143,720-387-0.88%
201044,1075,08913.04%
200039,0184,09311.72%
199034,9251,7685.33%
198033,1572080.63%
197032,94914,46378.24%
196018,4866,77857.89%
195011,7082,56228.01%
19409,1466017.03%
19308,5456748.56%
19207,871-231-2.85%
19108,1022,19837.23%
19005,9043,325128.93%
18902,579
showing: 32 rows

DeKalb Population by Year