Iroquois County, IL ZIP Codes

Illinois (IL)  ·  24 ZIP codes  ·  24 cities
24
ZIP codes
26,827
population (2021)
-9.7%
pop change since 2010
17075
FIPS code
Iroquois County ZIP code map
About Iroquois County
Iroquois County is located in Illinois and contains 24 ZIP codes across 24 cities and communities. The county's population was 26,827 as of 2021, a decrease of 9.7% from 29,718 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Iroquois County is 17075.
Population
2021 population26,827
2010 population29,718
Change-9.7%
County details
StateIllinois
FIPS code17075
TimezoneMountain
Daylight savingYes
Cities in Iroquois County
ZIP codes for Iroquois County, IL (24)

Demographics & statistics

25,223
Population
44.8
Median age
$63,946
Median household income
$33,309
Per capita income
$120,682
Median home value
$796
Median monthly rent
80.9%
Home ownership
10.5%
Poverty rate
5.5%
Unemployment
9,837
Housing units
18.2%
Bachelor's or higher

Age distribution

Male Female
702
Under 5
675
795
5–9
765
734
10–14
706
836
15–19
804
724
20–24
696
1,252
25–34
1,206
1,481
35–44
1,426
1,536
45–54
1,479
910
55–59
875
1,103
60–64
1,061
1,506
65–74
1,450
948
75–84
913
326
85+
314
← Male
Female →

Age summary

GroupCount%
Under 185,43723.0%
18 and over19,78677.0%
65 and over5,45721.4%
Median age44.8 years

Race & ethnicity

White 85.8%
Hispanic or Latino 5.9%
Other race 3.9%
Two or more races 3.3%
Black or African American 0.8%
Asian 0.2%
American Indian / Alaska Native 0.1%
GroupCount%
White22,99185.8%
Hispanic or Latino1,5765.9%
Other race1,0513.9%
Two or more races8743.3%
Black or African American2220.8%
Asian610.2%
American Indian / Alaska Native240.1%

Household income

Under $10k 4.8%
$10k–$15k 4.0%
$15k–$25k 9.1%
$25k–$35k 8.1%
$35k–$50k 13.8%
$50k–$75k 18.7%
$75k–$100k 13.0%
$100k–$150k 17.6%
$150k–$200k 6.7%
$200k+ 4.2%
Range% of households
Under $10k4.8%
$10k–$15k4.0%
$15k–$25k9.1%
$25k–$35k8.1%
$35k–$50k13.8%
$50k–$75k18.7%
$75k–$100k13.0%
$100k–$150k17.6%
$150k–$200k6.7%
$200k+4.2%
Median income$63,946

Housing

Home values

Under $50k 11.0%
$50k–$100k 30.4%
$100k–$150k 21.9%
$150k–$200k 15.4%
$200k–$300k 14.3%
$300k–$500k 5.6%
$500k–$1M 0.6%
$1M+ 0.6%

Housing overview

MetricValue
Median home value$120,682
Median rent / month$796
Owner occupied80.9%
Renter occupied19.1%
Vacant12.5%
Single-family detached88.8%
Large apartment buildings0.6%
Mobile homes2.9%
Median rooms6.3
Avg household size (owned)2.46

Year built

Era%
2020 or later0.0%
2010–20191.4%
2000–20095.4%
1990–19997.0%
1980–19894.8%
1970–197917.9%
1960–19699.2%
1950–195912.6%
1940–19497.1%
1939 or earlier34.6%

Bedrooms

Size% of units
No bedroom (studio)1.0%
1 bedroom5.2%
2 bedrooms23.3%
3 bedrooms46.7%
4 bedrooms19.1%
5+ bedrooms4.8%

Vehicles per household

Vehicles% of households
No vehicle4.0%
1 vehicle27.7%
2 vehicles38.8%
3 or more29.5%

Heating fuel

Fuel type%
Utility gas59.5%
Electricity16.9%
Propane / LP gas20.3%
Fuel oil1.0%
Wood0.8%
Solar0.3%
No fuel used0.3%

Households & families

Household typeCount%
Married-couple family5,21453.2%
Cohabiting couple7376.4%
Male householder, no spouse1,70818.2%
Female householder, no spouse2,73522.3%
Households with children under 182,86129.4%
Households with seniors (65+)3,78136.2%
Average household size2.47

Marital status

StatusMaleFemale
Never married28.7%22.0%
Married56.3%53.1%
Separated1.3%0.9%
Widowed4.3%11.2%
Divorced9.4%12.8%

Education

Less than 9th grade 3.5%
Some HS, no diploma 6.5%
HS graduate 39.1%
Some college, no degree 22.0%
Associate's degree 10.6%
Bachelor's degree 13.0%
Graduate / professional 5.2%
Metric%
HS diploma or higher90.0%
Bachelor's or higher18.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3788.9%
Kindergarten3157.2%
Elementary school2,28344.0%
High school1,48927.9%
College / grad school66712.1%

Employment

Industry of employment

Education & healthcare 23.1%
Manufacturing 12.5%
Retail trade 10.5%
Agriculture & mining 8.8%
Construction 7.5%
Transportation & utilities 7.5%
Arts, food & hospitality 5.7%
Finance & real estate 5.5%
Other services 5.4%
Professional & management 4.3%
Wholesale trade 4.2%
Public administration 3.1%
Information 1.8%

Occupation

Category%
Management, business & arts29.6%
Service15.2%
Sales & office19.7%
Natural resources & construction15.9%
Production & transportation19.6%

Employment type

Type%
Private sector79.6%
Government12.0%
Self-employed8.2%
Unpaid family workers0.2%

Commute

Method%
Drive alone80.0%
Carpool10.0%
Public transit0.2%
Walk1.7%
Other means2.3%
Avg commute (minutes)25.8

Poverty

All people 10.5%
Under 18 years 12.1%
18 and over 10.4%
Married-couple families 3.9%
Female-led households 25.6%

Income support

Source% of households
Social Security36.7%
Retirement income26.2%
Supplemental Security5.2%
Cash public assistance1.4%
Food stamps / SNAP13.2%

Health indicators

Condition%
High blood pressure37.3%
High cholesterol36.9%
Heart disease7.8%
Stroke3.7%
Asthma9.9%
Arthritis30.7%
Kidney disease3.3%
Pulmonary disease8.6%
Cancer7.9%
Behavior / access%
Binge drinking14.3%
No physical activity27.4%
Less than 7 hrs sleep33.7%
Fair or poor health16.1%
Poor mental health12.9%
Poor physical health11.2%
No health insurance11.4%
Visited doctor (checkup)78.2%
Visited dentist62.5%
Cholesterol screening90.2%
Teeth loss16.3%

Veterans & disability

VeteransCount%
Civilian veterans1,3827.1%
Disability%
Any disability16.1%
Under 185.9%
18–64 years14.3%
65 and over33.3%

Health insurance coverage

Type%
Private insurance66.8%
Public insurance42.8%
Uninsured under 195.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only23,84693.4%
Spanish6482.1%
Other Indo-European5792.0%
Asian & Pacific Islander680.2%
Other languages10.0%

Place of birth & citizenship

OriginCount%
Native born (US)24,34897.6%
Born in same state24,16897.1%
Born in different state20,38482.3%
Foreign born1800.5%
Naturalized citizen8752.4%
Not a US citizen36345.4%

Ancestry

AncestryCount%
Italian3,35513.3%
French2,3299.2%
Arab1,4615.8%
English8783.5%
German3671.5%
AncestryCount%
Irish3251.3%
Polish2180.9%
Dutch1000.4%
Norwegian630.2%

Technology access

Metric% of households
Computer access40.5%
Internet access90.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Explore more Illinois ZIP codes
All Illinois ZIP codes Ashkum ZIP codes Beaverville ZIP codes Buckley ZIP codes Chebanse ZIP codes Cissna Park ZIP codes Claytonville ZIP codes Clifton ZIP codes Crescent City ZIP codes Danforth ZIP codes Donovan ZIP codes
Need the complete Illinois ZIP code database? Download all IL ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →