Dupo, IL zip code
Dupo, Illinois uses one zip code: 62239. Most of it is in St. Clair County. Together these zip codes are home to about 4.2K people.
Zip codes
1
Population
4.2K
All zips combined
Largest zip
62239
4,232 residents
Zip codes in Dupo
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62239 | 4,232 | $61,191 |