Dupo, IL ZIP code
The ZIP code for Dupo, Illinois is 62239. It is in St. Clair County.
- Population in these ZIPs
- 4,232
- Avg. median income
- $61,200population-weighted
- Typical home value
- $131,300population-weighted
- Metro area
- St. Louis, MO-IL
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Dupo, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62239 | 4,232 | $61,191 | $131,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Dupo
- East Carondelet 2 mi
- Millstadt 5 mi
- East Saint Louis 6 mi
- Columbia 7 mi
- Lovejoy 9 mi
- Belleville 9 mi
- Fairview Heights 10 mi
- Venice 10 mi
- Madison 11 mi
- Caseyville 11 mi
- Smithton 12 mi
- Granite City 14 mi
Frequently asked questions
What is the ZIP code for Dupo, IL?
The ZIP code for Dupo, IL is 62239.
What county is Dupo, Illinois in?
Dupo ZIP codes are in St. Clair County.