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COUNTY · 1990 CENSUS

Iroquois County

Illinois · 30,787 residents · 1,117.395 sq mi
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The short version

Iroquois County has lower-than-average household income, with a median household income of $25,435. Population has held roughly steady since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $40,200.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 37.1
US median: 33.0
Less educated
10% hold a bachelor's degree
US average: 20%
More affordable
home values down 33%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

30,787
−2%vs 2000
vs 31,334 in 2000
1990 – 2025
28 / sq mi
−2%vs 2000
vs 28 / sq mi in 2000
US average: 221
37.1
−6%vs 2000
vs 39.6 in 2000
US average: 33.0
Population, 19902024
26K27K29K30K32K1990201020202024Iroquois County
202426K
1990201020202024
Section 02

Income & economy

$25,435
−12%inflation adjusted, since 2000
vs $38,071 in 2000
US average: $30,130
1990 – 2024
$11,653
−37%vs 2000
vs $18,435 in 2000
US average: $14,340
9.2%
+0.5 ptsvs 2000
vs 8.7% in 2000
US average: 13.2%
Section 03

Housing

$40,200
−33%inflation adjusted, since 2000
vs $79,400 in 2000
US average: $93,722
1990 – 2024
$306
−10%inflation adjusted, since 2000
vs $446 in 2000
US average: $450
73.8%
−2.6 ptsvs 2000
vs 76.4% in 2000
26.2% rent
1.6
−24%vs 2000
vs 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in Iroquois County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.4%(29,580)
Black0.7%(222)
Hispanic / Latino3.9%(1,217)
Asian0.3%(87)
Other0%
Diversity Score11.8%(3,686)
1990
White, non-Hispanic98.2%(30,244)
Black0.5%(164)
Hispanic / Latino1.6%(500)
Asian0.1%(44)
Other1.1%(335)
Diversity Score8.1%(2,508)
8
−31%vs 2000
vs 12 in 2000
1990 – 2024
Section 05

Education

10.1%
−1.8 ptsvs 2000
vs 11.8% in 2000
US average: 20.3%
High school or higher
73.4%
−6.9 ptsvs 2000
vs 80.3% in 2000
US average: 75.2%
3.2%
−1.4 ptsvs 2000
vs 4.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

22.3 min
+34%vs 2000
vs 16.7 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Iroquois County, Illinois?

Iroquois County, Illinois has about 30,787 residents according to the 1990 Census.

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

The typical household in Iroquois County, Illinois earns about $25,435 a year. Half of households make more than that, and half make less.

Is Iroquois County, Illinois expensive?

In Iroquois County, Illinois, the median home is worth about $40,200, and the typical rent is about $306 a month.

How educated are people in Iroquois County, Illinois?

About 10.1% of adults age 25 and over in Iroquois County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Iroquois County, Illinois?

About 9.2% of people in Iroquois County, Illinois live below the federal poverty line.

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

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