US Census Data

Iroquois County, Illinois

21 cities & places have their primary county here.

Population
26,746
-3.8%’19–’23
Median household income
$62,439
+18.5%’19–’23
Median home value
$125,400
+22.0%’19–’23

Iroquois County is a county in Illinois with a population of 26,746. 21 cities and places have their primary county here. At $62,439, its median household income sits below Illinois's $81,702.

Between 2019 and 2023, Iroquois County's population declined 3.8% from 27,812 to 26,746, while its median household income rose 18.5% from $52,700 to $62,439.

The typical home was built around 1960. 13.4% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
26,746
Median age
44.4 yrs
Median household income
$62,439
Median home value
$125,400
Median gross rent
$793
Housing units
12,818
Homeownership rate
78.5%
Bachelor's degree or higher
16.7%
Unemployment rate
4.8%

Trends

ACS 5-year · 2019–2023
Population
27,81226,746
Median household income
$52,700$62,439
Median home value
$102,800$125,400
Median gross rent
$686$793
YearPopulationMedian household incomeMedian home valueMedian gross rent
201927,812$52,700$102,800$686
202027,437$54,445$107,300$690
202127,362$58,481$111,700$724
202227,043$62,866$120,900$773
202326,746$62,439$125,400$793

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,5325.7%
5 to 174,27016.0%
18 to 242,0457.6%
25 to 342,6579.9%
35 to 443,10211.6%
45 to 543,13811.7%
55 to 644,06315.2%
65 to 743,35212.5%
75 and over2,5879.7%

Race & ethnicity

CountShare
White (non-Hispanic)23,49187.8%
Black or African American1820.7%
American Indian & Alaska Native200.1%
Asian990.4%
Native Hawaiian & Pacific Islander00.0%
Some other race580.2%
Two or more races7642.9%
Hispanic or Latino (any race)2,1328.0%

Educational attainment (age 25+)

CountShare
No high school diploma2,05210.9%
High school graduate7,52739.8%
Some college or associate's6,15832.6%
Bachelor's degree2,24111.9%
Graduate or professional degree9214.9%

Commute to work

Mean travel time to work
24 min

How workers get to work

CountShare
Drove alone9,76881.1%
Carpooled9267.7%
Public transit330.3%
Walked2582.1%
Bicycle150.1%
Worked from home8657.2%
Other means1771.5%

Travel time

CountShare
Under 15 min4,34338.9%
15 to 29 min2,92726.2%
30 to 44 min2,05918.4%
45 to 59 min9338.3%
60+ min9158.2%

Households

Average household size
2.32
Poverty rate
13.4% (3,495 of 26,099)
CountShare
Family households7,15363.1%
Nonfamily households4,18036.9%

Housing

Median year structure built
1960

Occupancy

CountShare
Occupied11,33388.4%
Vacant1,48511.6%

Tenure (of occupied units)

CountShare
Owner-occupied8,90178.5%
Renter-occupied2,43221.5%

Units in structure

CountShare
1-unit, detached10,87184.8%
1-unit, attached2962.3%
2 to 4 units6865.4%
5 to 19 units3512.7%
20 or more units870.7%
Mobile home & other5274.1%

Geography

County GEOID
17075
State
Illinois
Land area
1,117 sq mi
Water area
1.64 sq mi
Center point
40.7489, -87.8336

Cities & places

21

Compare with nearby counties

5

Illinois rankings

21

Other counties in Illinois

101