Dupo ZIP Codes — Saint Clair County, IL

There is one unique ZIP code in Dupo, Illinois and it is 62239. Area code: 618.
1
ZIP codes
8.55
sq mi land
0.19
sq mi water
618
area code
Dupo, IL ZIP code map

About Dupo, IL

Dupo, Illinois, is a quaint village located in Saint Clair County, known for its close-knit community and rich history. Nestled about 15 miles southeast of St. Louis, Missouri, it offers a serene environment away from the hustle and bustle of urban life. The village has a unique charm that attracts both residents and visitors alike, providing a blend of suburban comfort and easy access to metropolitan amenities.

Location & geography

Dupo sits on a land area of 8.55 square miles, surrounded by the picturesque landscapes of the Midwest. The village has a small water area of 0.19 square miles, giving it a cozy, rural feel while still being close to larger cities like Belleville and East Carondelet, which are only a few miles away. Its location affords residents beautiful views of rolling hills and a tranquil environment, making it an appealing place to call home.

Community & economy

The community of Dupo is characterized by its friendly atmosphere and strong sense of belonging among residents. Many local industries contribute to the town's economy, including manufacturing and retail businesses, which provide job opportunities for locals. Daily life here includes outdoor activities, various community events, and a commitment to preserving the village's rich history.

Transportation

Dupo is conveniently connected by major highways, primarily via Illinois Route 3, which facilitates easy travel to neighboring cities. The nearest named airport is the MidAmerica St. Louis Airport, approximately 10 miles away, offering regional air service. Public transit options are limited, but local commuters often rely on personal vehicles for transportation.

History

Dupo was founded in the late 19th century and has historically been known for its railroad industry, which played a pivotal role in its early economic development. Throughout the years, the village has evolved while maintaining its small-town charm, and several notable events have shaped its character. While primarily residential, Dupo's close ties to neighboring urban centers have influenced its growth and community dynamics.

Did you know?

One little-known fact about Dupo is that it has been home to various small businesses and family-owned enterprises that have thrived despite the proximity to large cities. Additionally, while it may be small, the village hosts several community events throughout the year, promoting local culture and engagement.

ZIP codes for Dupo, IL (1)
ZIP code City County Map
62239 Dupo Saint Clair View map

Demographics & statistics

4,076
Population
44.0
Median age
$64,219
Median household income
$33,115
Per capita income
$91,600
Median home value
$905
Median monthly rent
65.6%
Home ownership
8.4%
Poverty rate
2.1%
Unemployment
1,181
Housing units
19.1%
Bachelor's or higher

Age distribution

Male Female
124
Under 5
136
109
5–9
120
49
10–14
53
105
15–19
115
131
20–24
145
280
25–34
307
245
35–44
269
311
45–54
342
176
55–59
193
143
60–64
158
184
65–74
202
64
75–84
71
21
85+
23
← Male
Female →

Age summary

GroupCount%
Under 1871417.5%
18 and over3,36282.5%
65 and over56513.9%
Median age44.0 years

Race & ethnicity

White 94.3%
Black or African American 3%
Two or more races 2.3%
Hispanic or Latino 0.4%
GroupCount%
White3,86094.3%
Black or African American1223%
Two or more races942.3%
Hispanic or Latino170.4%

Household income

Under $10k 2.7%
$10k–$15k 4.1%
$15k–$25k 4.3%
$25k–$35k 12.4%
$35k–$50k 10.8%
$50k–$75k 24.3%
$75k–$100k 16.8%
$100k–$150k 15.4%
$150k–$200k 4.5%
$200k+ 4.8%
Range% of households
Under $10k2.7%
$10k–$15k4.1%
$15k–$25k4.3%
$25k–$35k12.4%
$35k–$50k10.8%
$50k–$75k24.3%
$75k–$100k16.8%
$100k–$150k15.4%
$150k–$200k4.5%
$200k+4.8%
Median income$64,219

Housing

Home values

Under $50k 23.0%
$50k–$100k 33.0%
$100k–$150k 25.8%
$150k–$200k 15.0%
$200k–$300k 3.2%

Housing overview

MetricValue
Median home value$91,600
Median rent / month$905
Owner occupied65.6%
Renter occupied34.4%
Vacant2.7%
Single-family detached69.1%
Large apartment buildings0.0%
Mobile homes11.7%
Median rooms5.5
Avg household size (owned)2.41

Year built

Era%
2020 or later0.0%
2010–20193.7%
2000–20098.1%
1990–199919.8%
1980–198912.0%
1970–19793.7%
1960–196911.7%
1950–19599.8%
1940–19494.3%
1939 or earlier26.9%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.6%
2 bedrooms52.1%
3 bedrooms35.4%
4 bedrooms7.2%
5+ bedrooms3.6%

Vehicles per household

Vehicles% of households
No vehicle3.3%
1 vehicle36.1%
2 vehicles39.3%
3 or more21.3%

Heating fuel

Fuel type%
Utility gas53.8%
Electricity42.7%
Propane / LP gas3.5%

Households & families

Household typeCount%
Married-couple family67839.3%
Cohabiting couple23813.8%
Male householder, no spouse29617.1%
Female householder, no spouse51429.8%
Households with children under 1855832.3%
Households with seniors (65+)39723.0%
Average household size2.36

Marital status

StatusMaleFemale
Never married33.0%33.0%
Married42.2%35.3%
Separated2.3%2.7%
Widowed2.3%9.2%
Divorced20.3%19.7%

Education

Less than 9th grade 0.5%
Some HS, no diploma 9.1%
HS graduate 47.0%
Some college, no degree 16.2%
Associate's degree 8.1%
Bachelor's degree 14.9%
Graduate / professional 4.2%
Metric%
HS diploma or higher90.4%
Bachelor's or higher19.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool162.5%
Kindergarten8413.2%
Elementary school22635.6%
High school17127.0%
College / grad school13721.6%

Employment

Industry of employment

Education & healthcare 19.0%
Manufacturing 14.3%
Professional & management 13.3%
Arts, food & hospitality 10.8%
Retail trade 8.7%
Construction 7.8%
Finance & real estate 7.2%
Public administration 5.7%
Transportation & utilities 4.4%
Wholesale trade 4.1%
Other services 3.4%
Information 1.3%

Occupation

Category%
Management, business & arts27.2%
Service19.9%
Sales & office19.8%
Natural resources & construction9.9%
Production & transportation23.1%

Employment type

Type%
Private sector81.8%
Government12.6%
Self-employed5.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone88.4%
Carpool6.8%
Public transit0.0%
Walk0.0%
Other means0.5%
Avg commute (minutes)25.6

Poverty

All people 8.4%
Under 18 years 6.0%
18 and over 8.9%
Married-couple families 1.3%
Female-led households 30.8%

Income support

Source% of households
Social Security23.9%
Retirement income30.8%
Supplemental Security3.2%
Cash public assistance5.0%
Food stamps / SNAP14.6%

Health indicators

Condition%
High blood pressure34.4%
High cholesterol31.2%
Heart disease6.4%
Stroke3.2%
Asthma10.5%
Arthritis26.5%
Kidney disease2.9%
Pulmonary disease8.5%
Cancer6.0%
Behavior / access%
Binge drinking16.5%
No physical activity27.3%
Less than 7 hrs sleep33.7%
Fair or poor health16.7%
Poor mental health14.8%
Poor physical health11.3%
No health insurance12.4%
Visited doctor (checkup)77.6%
Visited dentist62.2%
Cholesterol screening86.6%
Teeth loss18.9%

Veterans & disability

VeteransCount%
Civilian veterans2226.6%
Disability%
Any disability15.0%
Under 182.7%
18–64 years15.2%
65 and over29.7%

Health insurance coverage

Type%
Private insurance60.2%
Public insurance42.7%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,81693.6%
Spanish280.7%
Other Indo-European00.0%
Asian & Pacific Islander280.7%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)4,00098.1%
Born in same state3,98797.8%
Born in different state2,20654.1%
Foreign born130.3%
Naturalized citizen761.9%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian64415.8%
French51712.7%
AncestryCount%
Arab1603.9%
English471.2%

Technology access

Metric% of households
Computer access42.3%
Internet access92.5%

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

Frequently asked questions
What ZIP codes does Dupo, IL have?
Dupo, IL has one ZIP code: 62239. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Illinois ZIP code database? Download all IL ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →