Illinois Monroe County St. Clair County
Dupo
A village in Monroe County, Illinois — population 3,845 as of 2020.
This Afternoon
74°F
Areas Of Drizzle51% precip
Tonight
67°F
Widespread Drizzle56% precip
Sunday
81°F
Patchy Drizzle then Partly Sunny19% precip
Sunday Night
66°F
Partly Cloudy5% precip
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Dupo by the numbers
Population
3,845Population figure, 2020
Households & income
- Area
- 6.4 sq mi (16.58 km²), 0.02 sq mi water
- Median age
- 42.9
- Households
- 1,598
- Persons per household
- 2.4
- Median household income
- $61,644
- Median house value
- $113,800
Municipal office
- Office
- MAYIR
- Address
- 107 N 2ND ST, DUPO, IL 62239