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CITY · 2020 ACS

DeKalb

Illinois · 40,290 residents · 17.33 sq mi
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The short version

DeKalb has notably lower household income than the US average, with a median household income of $44,223. Population has held roughly steady since 2000. Median home value is $165,500. At a median age of 27.7, residents skew younger than the country as a whole. The poverty rate of 26.4% is well above the national figure. Households here earn about 35% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Younger
median age 27.7
US median: 38.8
More educated
38% hold a bachelor's degree
US average: 33%
More affordable
home values down 13%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
40,290
+3%since 2000
from 39,018 in 2000
1990 – 2025
Population density
2,325 / sq mi
+3%since 2000
from 2,251 / sq mi in 2000
US average: 280
Median age
27.7
+20%since 2000
from 23.1 in 2000
US average: 38.8
Population, 1990 – 2024
34K37K40K43K46K1990201020202024DeKalb
202440K
1990201020202024
Section 02

Income & economy

Median household income
$44,223
−16%inflation adjusted, since 2000
from $35,153 in 2000
US average: $66,278
1990 – 2024
Per capita income
$24,819
+53%since 2000
from $16,261 in 2000
US average: $35,364
Households earning $100K+
29.3%
+7.0 ptssince 2009
from 22.3% in 2009
US average: 43.9%
Poverty rate
26.4%
+5.2 ptssince 2000
from 21.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Information13.8%
US avg: 11.1%
Retail trade10.9%
US avg: 10%
Finance & insurance5.9%
US avg: 5.5%
Professional, scientific, technical5.7%
US avg: 4.7%
Other services3.9%
US avg: 6.6%
Wholesale trade3.2%
US avg: 6.7%
Public administration2%
US avg: 4.7%
Transportation & warehousing1.8%
US avg: 2.5%
Arts, entertainment, food1.3%
US avg: 2%
Agriculture, forestry, fishing0.8%
US avg: 1.7%
Construction0.6%
US avg: 1.2%
Education & health services0.2%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$165,500
−13%inflation adjusted, since 2000
from $126,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$889
+5%inflation adjusted, since 2000
from $565 in 2000
US average: $1,124
Owner-occupied
42.5%
+0.6 ptssince 2000
from 41.9% in 2000
57.5% rent
Afford Score
3.7
+4%since 2000
from 3.6 in 2000
1990 – 2024
RELATED:See current rent listings in DeKalb on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic75.6%(29,479)
Black9%(3,508)
Hispanic / Latino9%(3,527)
Asian4.6%(1,796)
Other0%
Diversity Score48.6%(18,964)
2020
White, non-Hispanic55.1%(22,211)
Black18.1%(7,296)
Hispanic / Latino17.8%(7,185)
Asian3.9%(1,570)
Other4.9%(1,965)
Diversity Score78.3%(31,549)
Diversity Score
78
+61%since 2000
from 49 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
38.0%
+0.1 ptssince 2000
from 38.0% in 2000
US average: 32.9%
High school or higher
91.4%
+3.9 ptssince 2000
from 87.6% in 2000
US average: 88.5%
Graduate degree
15.3%
−2.9 ptssince 2000
from 18.2% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
21.5 min
+32%since 2000
from 16.3 min in 2000
US average: 26.9
Drive alone to work
75.4%
+3.8 ptssince 2009
from 71.6% in 2009
US average: 75.1%
No vehicle available
9.9%
+2.9 ptssince 2009
from 6.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
9.2%
−3.2 ptssince 2011
from 12.4% in 2011
US average: 5.4%
Labor force participation
67.7%
+0.6 ptssince 2011
from 67.1% in 2011
US average: 63.4%
Management & professional
31.8%
−31.9 ptssince 2009
from 63.7% in 2009
US average: 39.3%
Section 08

People & community

Male
49.4%
−0.8 ptssince 2009
from 50.2% in 2009
Female
50.6%
+0.8 ptssince 2009
from 49.8% in 2009
Foreign born
9.2%
−1.4 ptssince 2009
from 10.6% in 2009
US average: 13.5%
Uninsured
7.0%
−83.4 ptssince 2013
from 90.4% in 2013
US average: 8.8%
Drill deeper

Places similar to DeKalb

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Pop 36,898
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Pop 51,737
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Pop 42,698
Leesburg
Pop 38,905
Places similar to DeKalb
Head to head

Compare DeKalb to nearby cities

DEKALB VS
Sycamore
Income$84,120+90%
Home value$265,700+61%
Population19,083−53%
SEE FULL COMPARISON →
DEKALB VS
Rochelle
Income$66,307+50%
Home value$164,300−1%
Population9,498−77%
SEE FULL COMPARISON →
DEKALB VS
Campton Hills
Income$209,134+373%
Home value$547,500+231%
Population10,894−73%
SEE FULL COMPARISON →
DEKALB VS
Hampshire
Income$94,773+114%
Home value$329,800+99%
Population9,266−77%
SEE FULL COMPARISON →
Frequently asked

How many people live in DeKalb, Illinois?

DeKalb, Illinois has about 40,290 residents according to the 2020 American Community Survey.

What is the median household income in DeKalb, Illinois?

The typical household in DeKalb, Illinois earns about $44,223 a year. Half of households make more than that, and half make less.

Is DeKalb, Illinois expensive?

In DeKalb, Illinois, the median home is worth about $165,500, and the typical rent is about $889 a month.

How educated are people in DeKalb, Illinois?

About 38.0% of adults age 25 and over in DeKalb, Illinois hold a bachelor's degree or higher.

What is the poverty rate in DeKalb, Illinois?

About 26.4% of people in DeKalb, Illinois live below the federal poverty line.

Has DeKalb, Illinois grown since 1990?

Yes, DeKalb, Illinois has grown since 1990. The population has added about 5,365 residents, a change of about 15 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

DeKalb, Illinois (2020): demographics, income & housing data · CensusEasy