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COUNTY

Iroquois County

Illinois · 26,150 residents (2025 est.) · 1,117 sq mi
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The short version

Iroquois County is a county of 26,449 people in Illinois. 18% of adults hold a bachelor's degree, below the 36% national rate. At a median age of 44.4, this is an older place than the country as a whole. Owners hold 80% of the housing stock. Home values have risen by half since 2000, reaching $137,800. Density works out to 24 people per square mile.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.4
US median: 38.9
Less educated
18% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
26,449
−16%since 2000
from 31,334 in 2000
26,150 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
24 / sq mi
−12%since 2009
from 27 / sq mi in 2009
US average: 281
Median age
44.4
+12%since 2000
from 39.6 in 2000
US average: 38.9
Land area
1,117 sq mi
Population, 1990 – 2024
26K27K29K30K32K19902000201020202024Iroquois County
202426K
1990201020202024
Age distribution, 2024
Under 55.5%(1,461)
US avg: 5.6%
5 to 96.1%(1,607)
US avg: 6%
10 to 145.7%(1,511)
US avg: 6.4%
15 to 196.3%(1,659)
US avg: 6.6%
20 to 245.7%(1,511)
US avg: 6.5%
25 to 3410.2%(2,687)
US avg: 13.7%
35 to 4411.5%(3,036)
US avg: 13.2%
45 to 5411.7%(3,084)
US avg: 12.2%
55 to 6414.8%(3,916)
US avg: 12.7%
65 to 7412.9%(3,423)
US avg: 10.2%
75 to 847.1%(1,869)
US avg: 5.1%
85 and over2.6%(685)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$66,255
−4%inflation adjusted, since 2000
from $38,071 in 2000
US average: $82,259
1990 – 2024
Per capita income
$36,404
+97%since 2000
from $18,435 in 2000
US average: $44,673
Households earning $100K+
44.8%
+18.0 ptssince 2009
from 26.8% in 2009
US average: 53.3%
Poverty rate
12.5%
+3.8 ptssince 2000
from 8.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.434
+9%since 2010
from 0.397 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade12.6%
US avg: 9.9%
Information11.8%
US avg: 10.8%
Wholesale trade8.2%
US avg: 6.9%
Agriculture, forestry, fishing7.6%
US avg: 1.6%
Construction7.3%
US avg: 1.2%
Finance & insurance5.9%
US avg: 5.9%
Other services5.7%
US avg: 6.7%
Professional, scientific, technical5.3%
US avg: 5.1%
Public administration4.7%
US avg: 4.8%
Transportation & warehousing3.3%
US avg: 2.2%
Arts, entertainment, food1.4%
US avg: 1.9%
Education & health services0.7%
US avg: 0.9%
Manufacturing0.3%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$137,800
−5%inflation adjusted, since 2000
from $79,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$799
−2%inflation adjusted, since 2000
from $446 in 2000
US average: $1,442
Owner-occupied
80.0%
+3.6 ptssince 2000
from 76.4% in 2000
20.0% rent
Vacancy rate
10.5%
−2.1 ptssince 2009
from 12.6% in 2009
US average: 10.0%
Persons per household
2.27 people
−3%since 2009
from 2.35 people in 2009
US average: 2.54
Owner cost-burdened
18.2%
−2.8 ptssince 2009
from 21.0% in 2009
US average: 22.9%
Renter cost-burdened
36.8%
−1.9 ptssince 2009
from 38.7% in 2009
US average: 47.4%
Afford Score
2.1
−3%since 2009
from 2.1 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
20
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic94.4%(29,580)
Black0.7%(222)
Hispanic / Latino3.9%(1,217)
Asian0.3%(87)
Other0%
2024
White, non-Hispanic87.2%(23,060)
Black0.8%(204)
Hispanic / Latino8.3%(2,187)
Asian0.3%(89)
Other3.4%(909)
Diversity Score
29
+53%since 2009
from 19 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
35
−1%since 2020
from 35 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican7.3%(1,940)
Salvadoran0.2%(53)
Colombian0.2%(50)
Puerto Rican0.2%(41)
Cuban0.1%(37)
Spaniard0.1%(18)
Venezuelan0.1%(14)
Asian origin
Filipino0.2%(53)
Korean0%(13)
Pacific Islander origin
Ancestry
German33%(8,735)
Irish13.3%(3,526)
English9.8%(2,591)
American7.6%(2,023)
French6.3%(1,655)
Italian5.1%(1,348)
Dutch3.1%(812)
Polish1.9%(496)
Swedish1.6%(424)
Scottish1%(277)
Norwegian1%(265)
+ 27 more ancestry groups with data
Hungarian0.9%(249)
Danish0.6%(146)
British0.5%(138)
Welsh0.5%(126)
Scotch-Irish0.4%(117)
Russian0.4%(104)
Swiss0.3%(75)
Czech0.3%(69)
Lithuanian0.2%(65)
Finnish0.2%(57)
Belgian0.2%(52)
Greek0.2%(49)
Croatian0.2%(48)
Arab0.2%(40)
Ukrainian0.1%(29)
Slovak0.1%(18)
Slovene0%(12)
Lebanese0%(11)
Canadian0%(10)
Iranian0%(5)
Serbian0%(4)
Section 05

Education

Bachelor's degree or higher
18.2%
+6.4 ptssince 2000
from 11.8% in 2000
US average: 35.6%
High school or higher
89.1%
+8.8 ptssince 2000
from 80.3% in 2000
US average: 89.6%
Graduate degree
5.5%
+0.9 ptssince 2000
from 4.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.0 min
+50%since 2000
from 16.7 min in 2000
US average: 26.5
Drive alone to work
81.1%
+1.3 ptssince 2009
from 79.9% in 2009
US average: 68.9%
Carpooled to work
7.2%
−3.1 ptssince 2009
from 10.3% in 2009
US average: 8.5%
Public transit
0.2%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 3.2%
Worked from home
7.6%
+2.5 ptssince 2009
from 5.1% in 2009
US average: 15.0%
Walked to work
2.0%
−1.4 ptssince 2009
from 3.4% in 2009
US average: 2.4%
Biked to work
0.2%
−0.2 ptssince 2009
from 0.3% in 2009
US average: 0.4%
No vehicle available
4.5%
+0.9 ptssince 2009
from 3.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.5%
−3.8 ptssince 2011
from 8.2% in 2011
US average: 5.2%
Labor force participation
60.1%
−5.0 ptssince 2011
from 65.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
71.7%
−1.0 ptssince 2020
from 72.7% in 2020
US average: 74.6%
Self-employed
11.8%
Unchangedsince 2009
from 11.8% in 2009
US average: 13.1%
Management & professional
31.6%
+2.6 ptssince 2009
from 29.0% in 2009
US average: 42.5%
Section 08

People & community

Male
49.6%
+0.4 ptssince 2009
from 49.2% in 2009
Female
50.4%
−0.4 ptssince 2009
from 50.8% in 2009
Foreign born
3.5%
+0.8 ptssince 2009
from 2.6% in 2009
US average: 14.1%
Veterans
6.7%
−4.6 ptssince 2009
from 11.3% in 2009
US average: 6.2%
With a disability
16.2%
+3.4 ptssince 2012
from 12.8% in 2012
US average: 13.3%
Uninsured
6.0%
−3.0 ptssince 2013
from 9.0% in 2013
US average: 8.4%
Broadband at home
86.5%
+12.6 ptssince 2017
from 73.9% in 2017
US average: 91.0%
Computer in household
93.3%
+5.8 ptssince 2020
from 87.5% in 2020
US average: 95.5%
Same house as last year
91.7%
+2.6 ptssince 2020
from 89.1% in 2020
US average: 87.7%
English only at home
94.0%
+0.5 ptssince 2016
from 93.5% in 2016
US average: 77.7%
Spanish at home
5.2%
Unchangedsince 2016
from 5.2% in 2016
US average: 13.6%
Marital status
Men 15+
Never married31.2%(3,374)
Married55.6%(6,005)
Widowed3.4%(370)
Divorced9.7%(1,052)
Women 15+
Never married21.7%(2,406)
Married50.2%(5,559)
Widowed12.2%(1,350)
Divorced15.8%(1,754)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
6.0%
−3.0 ptssince 2013
from 9.0% in 2013
US average: 8.4%
Employer-based
50.6%
+0.6 ptssince 2020
from 50.0% in 2020
US average: 54.8%
Direct-purchase
18.3%
−0.5 ptssince 2020
from 18.8% in 2020
US average: 13.8%
Medicare
23.1%
−0.3 ptssince 2020
from 23.4% in 2020
US average: 18.4%
Medicaid
22.1%
−0.2 ptssince 2020
from 22.3% in 2020
US average: 20.9%
VA health care
2.3%
−0.4 ptssince 2020
from 2.7% in 2020
US average: 2.2%
Any private
66.1%
−0.9 ptssince 2020
from 67.0% in 2020
US average: 67.1%
Any public
42.8%
+0.1 ptssince 2020
from 42.7% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)18.1%(252)
US avg: 26.4%
Gulf War (1990s)19.1%(266)
US avg: 24.3%
Vietnam era36%(501)
US avg: 33.1%
Korean War7.6%(106)
US avg: 4.5%
World War II1.4%(20)
US avg: 1%

Share of the 1,392 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare Iroquois County to nearby counties

IROQUOIS COUNTY VS
Ford County
Income$62,439−6%
Home value$122,000−11%
Population13,216−49%
SEE FULL COMPARISON →
IROQUOIS COUNTY VS
Newton County
Income$75,481+14%
Home value$171,500+24%
Population14,188−46%
SEE FULL COMPARISON →
IROQUOIS COUNTY VS
Kankakee County
Income$71,281+8%
Home value$192,600+40%
Population105,525+304%
SEE FULL COMPARISON →
IROQUOIS COUNTY VS
Benton County
Income$65,875−1%
Home value$151,000+10%
Population8,883−66%
SEE FULL COMPARISON →
Frequently asked

How many people live in Iroquois County, Illinois?

Iroquois County, Illinois has about 26,449 residents according to the 2024 American Community Survey.

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

The typical household in Iroquois County, Illinois earns about $66,255 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 $137,800, and the typical rent is about $799 a month.

How educated are people in Iroquois County, Illinois?

About 18.2% 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 12.5% of people in Iroquois County, Illinois live below the federal poverty line.

Has Iroquois County, Illinois grown since 1990?

Yes, Iroquois County, Illinois has shrunk since 1990. The population has lost about 4,338 residents, a change of about -14 percent over that period.

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

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