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zipcodes.pro — CITY/IL/DUPO

Dupo ZIP code, Illinois

The ZIP code for Dupo, IL is 62239, and its area code is 618.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
3,879
Area code
618

Mail addressed to Dupo uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Dupo in numbers

About 3,879 people live in Dupo, in 1,598 households. The median household income is $61,644 a year, 26% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $113,800 (57% below the Illinois median), and median gross rent is $912 a month. The median age is 42.9; 17.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population3,879Dupo3,879
Households1,598Dupo1,598
Median age42.9Dupo42.9Illinois39.0US 38.9
Median household income$61,644Dupo$61,644Illinois$83,390US $80,734
Median home value$113,800Dupo$113,800Illinois$263,300US $332,700
Median gross rent$912Dupo$912Illinois$1,274US $1,413
Bachelor's degree or higher17.8%Dupo17.8%Illinois37.8%US 35.7%
Mean commute25.6 minDupo25.6 minIllinois27.8 minUS 26.4 min
Population density606 / sq miDupo606 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Dupo village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dupo

ZIP codes with the USPS city name Dupo
ZIP City Type Population Median income Median home
62239 Dupo , IL Standard 4,232 $61,191 $111,400

Other ZIP codes overlapping Dupo

These ZIP codes cover part of Dupo but are addressed as somewhere else.

ZIP codes overlapping Dupo
ZIP City Type Population Median income Median home
62236 Columbia , IL Standard 14,154 $108,981 $306,600
62240 East Carondelet , IL Standard 1,796 $96,063 $89,400

Map of Dupo ZIP codes

62239

The ZIP codes of Dupo, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dupo

The nearest larger towns are Lemay, MO (16,228 people, 3.8 mi), Columbia (11,127 people, 4.0 mi) and Mehlville, MO (29,805 people, 5.3 mi).

Towns near Dupo
TownPopulationDistance
Lemay, MO 16,228 3.8 mi
Columbia 11,127 4.0 mi
Mehlville, MO 29,805 5.3 mi
Affton, MO 19,052 6.3 mi
Green Park, MO 2,690 6.5 mi
Oakville, MO 35,333 7.1 mi
Concord, MO 18,368 7.2 mi
Shrewsbury, MO 6,316 7.7 mi
Millstadt 4,008 8.2 mi
East St. Louis 17,999 8.4 mi
St. Louis, MO 288,512 8.4 mi
Sappington, MO 7,367 8.4 mi
Maplewood, MO 8,156 8.8 mi
Webster Groves, MO 23,712 8.9 mi

More nearby: every ZIP code in St. Clair County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Dupo, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/dupo

Underlying data is public domain or openly licensed — sources, vintages and licences.