CensusEasy
COUNTY · 2000 CENSUS

DeKalb County

Illinois · 88,969 residents · 631.337 sq mi
Time machine
COMPARE TO
Part of the Chicago metro area
Compare
The short version

DeKalb County has roughly average household income, with a median household income of $45,828. Population has held roughly steady since 1990. Median home value has risen by half since 1990, reaching $133,900. At a median age of 28.4, residents skew younger than the country as a whole.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 28.4
US median: 35.2
Average education
27% hold a bachelor's degree
US average: 24%
Less affordable
home values up 26%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

88,969
+14%since 1990
from 77,932 in 1990
1990 – 2025
141 / sq mi
+14%since 1990
from 123 / sq mi in 1990
US average: 242
28.4
+4%since 1990
from 27.3 in 1990
US average: 35.2
Population, 19902024
75K83K92K100K108K1990201020202024DeKalb County
2024101K
1990201020202024
Section 02

Income & economy

$45,828
+13%inflation adjusted, since 1990
from $30,864 in 1990
US average: $42,589
1990 – 2024
$19,462
+54%since 1990
from $12,657 in 1990
US average: $21,522
11.4%
−2.2 ptssince 1990
from 13.5% in 1990
US average: 12.4%
Section 03

Housing

$133,900
+26%inflation adjusted, since 1990
from $80,900 in 1990
US average: $120,530
1990 – 2024
$577
+3%inflation adjusted, since 1990
from $424 in 1990
US average: $602
59.5%
+1.4 ptssince 1990
from 58.1% in 1990
40.5% rent
2.9
+11%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in DeKalb County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic93.3%(72,712)
Black2.9%(2,238)
Hispanic / Latino2.6%(2,033)
Asian2.3%(1,823)
Diversity Score21.4%(16,660)
2000
White, non-Hispanic85.2%(75,772)
Black4.5%(4,040)
Hispanic / Latino6.6%(5,830)
Asian2.3%(2,067)
Diversity Score30.8%(27,422)
31
+44%since 1990
from 21 in 1990
1990 – 2024
Section 05

Education

26.8%
+0.7 ptssince 1990
from 26.1% in 1990
US average: 24.4%
High school or higher
87.5%
+3.6 ptssince 1990
from 83.9% in 1990
US average: 80.3%
10.8%
−0.4 ptssince 1990
from 11.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

18.2 min
−9%since 1990
from 19.9 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to DeKalb County

Head to head

Compare DeKalb County to nearby counties

Frequently asked

How many people live in DeKalb County, Illinois?

DeKalb County, Illinois has about 88,969 residents according to the 2000 Census.

What is the median household income in DeKalb County, Illinois?

The typical household in DeKalb County, Illinois earns about $45,828 a year. Half of households make more than that, and half make less.

Is DeKalb County, Illinois expensive?

In DeKalb County, Illinois, the median home is worth about $133,900, and the typical rent is about $577 a month.

How educated are people in DeKalb County, Illinois?

About 26.8% of adults age 25 and over in DeKalb County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in DeKalb County, Illinois?

About 11.4% of people in DeKalb County, Illinois live below the federal poverty line.

Has DeKalb County, Illinois grown since 1990?

Yes, DeKalb County, Illinois has grown since 1990. The population has added about 11,037 residents, a change of about 14 percent over that period.

Keep going

Explore from here

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

How we source and harmonize this data →