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Illinois ZIP Codes
Dupage County
Westmont, IL
60559
60559 ZIP Code — Westmont, IL
Dupage County, Illinois
ZIP code 60559 is located in
Westmont ,
Illinois ,
within Dupage County .
It covers approximately 4.70 square miles and serves a population of
24,411 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 630/312/847/708 .
About ZIP code 60559
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $348,700. Owner-occupancy sits near the national average at 57%.
The gap between median ($88,290) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.
60559 ZIP code map
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Cities in ZIP code 60559
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
24,411
Population density
5,194 / sq mi
State FIPS
17
County FIPS
043
Geography
Land area
4.70 sq mi
Water area
0.09 sq mi
Latitude
41.7935
Longitude
-87.9706
Timezone
Central (CT)
Area code
630/312/847/708
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.7%
24.1%
37.2%
$50k – $100k
31.0%
27.8%
29.6%
$100k – $200k
24.2%
32.2%
24.4%
Over $200k
11.1%
15.9%
8.8%
Demographics & statistics
$88,290
Median household income
$348,700
Median home value
$1,415
Median monthly rent
49.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,823 19.8%
18 and over 19,588 80.2%
65 and over 4,371 17.9%
Median age 40.3 years
Race & ethnicity
Black or African American
5.6%
American Indian / Alaska Native
0.3%
Group Count %
White 16,764 63.4%
Asian 3,361 12.7%
Hispanic or Latino 2,042 7.7%
Two or more races 1,643 6.2%
Black or African American 1,481 5.6%
Other race 1,070 4%
American Indian / Alaska Native 92 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.7%
24.1%
37.2%
$50k – $100k
31.0%
27.8%
29.6%
$100k – $200k
24.2%
32.2%
24.4%
Over $200k
11.1%
15.9%
8.8%
Range % of households
Under $10k 4.8%
$10k–$15k 2.5%
$15k–$25k 3.9%
$25k–$35k 6.4%
$35k–$50k 8.7%
$50k–$75k 15.7%
$75k–$100k 14.6%
$100k–$150k 18.6%
$150k–$200k 9.7%
$200k+ 15.0%
Median income $88,290
Housing
Housing overview
Metric Value
Median home value $348,700
Median rent / month $1,415
Owner occupied 57.2%
Renter occupied 42.8%
Vacant 7.5%
Single-family detached 44.4%
Large apartment buildings 14.3%
Mobile homes 0.0%
Median rooms 5.1
Avg household size (owned) 2.54
Year built
Era %
2020 or later 0.0%
2010–2019 1.5%
2000–2009 9.5%
1990–1999 11.4%
1980–1989 16.6%
1970–1979 27.2%
1960–1969 15.7%
1950–1959 10.4%
1940–1949 2.1%
1939 or earlier 5.6%
Bedrooms
Size % of units
No bedroom (studio) 2.2%
1 bedroom 14.0%
2 bedrooms 37.2%
3 bedrooms 30.6%
4 bedrooms 12.7%
5+ bedrooms 3.4%
Vehicles per household
Vehicles % of households
No vehicle 4.8%
1 vehicle 38.7%
2 vehicles 39.9%
3 or more 16.5%
Heating fuel
Fuel type %
Utility gas 78.6%
Electricity 19.6%
Propane / LP gas 0.8%
No fuel used 0.7%
Households & families
Household type Count %
Married-couple family 4,949 49.3%
Cohabiting couple 487 4.9%
Male householder, no spouse 1,602 16.0%
Female householder, no spouse 2,993 29.8%
Households with children under 18 2,740 27.3%
Households with seniors (65+) 2,947 29.4%
Average household size 2.39
Marital status
Status Male Female
Never married 34.2% 27.5%
Married 56.3% 49.1%
Separated 0.3% 1.6%
Widowed 2.3% 10.3%
Divorced 6.9% 11.4%
Education
Some college, no degree
18.6%
Graduate / professional
19.8%
Metric %
HS diploma or higher 96.0%
Bachelor's or higher 49.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 390 7.8%
Kindergarten 435 8.7%
Elementary school 2,023 40.4%
High school 971 19.4%
College / grad school 1,192 23.8%
Employment
Industry of employment
Education & healthcare
23.2%
Professional & management
15.9%
Arts, food & hospitality
10.8%
Finance & real estate
8.5%
Transportation & utilities
7.1%
Public administration
2.3%
Agriculture & mining
0.4%
Occupation
Category %
Management, business & arts 51.7%
Service 15.4%
Sales & office 20.1%
Natural resources & construction 3.4%
Production & transportation 9.5%
Employment type
Type %
Private sector 87.1%
Government 9.2%
Self-employed 3.7%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 72.2%
Carpool 4.4%
Public transit 4.8%
Walk 2.0%
Work from home 15.7%
Other means 0.9%
Avg commute (minutes) 26.3
Poverty
Married-couple families
5.0%
Female-led households
13.2%
Income support
Source % of households
Social Security 27.6%
Retirement income 22.7%
Supplemental Security 2.0%
Cash public assistance 0.5%
Food stamps / SNAP 9.6%
Health indicators
Condition %
Obesity 28.2%
High blood pressure 26.6%
High cholesterol 31.3%
Diabetes 8.4%
Heart disease 4.8%
Stroke 2.3%
Asthma 8.5%
Arthritis 20.3%
Kidney disease 2.4%
Pulmonary disease 4.7%
Cancer 6.0%
Behavior / access %
Smoking 12.6%
Binge drinking 15.6%
No physical activity 21.1%
Less than 7 hrs sleep 29.9%
Depression 14.4%
Fair or poor health 10.4%
Poor mental health 10.8%
Poor physical health 7.4%
No health insurance 9.5%
Visited doctor (checkup) 73.4%
Visited dentist 70.5%
Cholesterol screening 90.8%
Teeth loss 9.6%
Veterans & disability
Veterans Count %
Civilian veterans 667 3.4%
Disability %
Any disability 9.5%
Under 18 2.9%
18–64 years 6.6%
65 and over 28.1%
Health insurance coverage
Type %
Private insurance 72.3%
Public insurance 30.7%
No insurance 7.2%
Uninsured under 19 3.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 22,876 93.7%
Spanish 2,205 9.6%
Other Indo-European 733 3.2%
Asian & Pacific Islander 704 3.1%
Other languages 446 1.9%
Place of birth & citizenship
Origin Count %
Native born (US) 18,505 75.8%
Born in same state 18,319 75.0%
Born in different state 14,695 60.2%
Foreign born 186 0.8%
Naturalized citizen 5,906 24.2%
Not a US citizen 2,925 49.5%
Ancestry
Ancestry Count %
Italian 3,515 14.4%
French 1,186 4.9%
Norwegian 588 2.4%
Arab 360 1.5%
English 299 1.2%
Ancestry Count %
Irish 250 1%
Polish 187 0.8%
German 61 0.2%
Dutch 12 0%
Technology access
Metric % of households
Computer access 41.1%
Internet access 96.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 60559
What city is ZIP code 60559 in?
ZIP code 60559 is primarily assigned to Westmont, Illinois.
What county is ZIP code 60559 in?
ZIP code 60559 falls within Dupage County, Illinois.
How educated is the population of ZIP code 60559?
50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 60559?
The median home value in ZIP code 60559 is $348,700.
What is the population of ZIP code 60559?
ZIP code 60559 has an estimated population of 24,411 residents, with a density of 5,199 people per square mile.
What is the median household income in ZIP code 60559?
The median household income in ZIP code 60559 is $88,290, above the national median of ~$75,000.
What timezone is ZIP code 60559 in?
ZIP code 60559 observes the CST timezone.
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