City
Dupo, IL
St. Clair County, Illinois · Population 3,879 · 1 ZIP code
Population
3,879
Safety Score
50
50
Average
Livability
50
50
Average
Median Home Price
N/A
Loading map…
About Dupo
Dupo is a city located in St. Clair County, Illinois. With a population of 3,879, it spans 1 ZIP code.