Dupo

Village in St. Clair County, Illinois

Aerial view of Dupo, Illinois
Aerial view: USDA NAIP · USGS The National Map (public domain)

Dupo is a village in St. Clair County, Illinois, with 3,996 residents (2020 Census). It sits at 410 ft (125 m) above sea level. The nearest town is East Carondelet, 1.9 miles NW.

About Dupo

Dupo is a village in St. Clair County, Illinois, United States. As of the 2020 census, Dupo had a population of 3,996. The village was settled in about 1750 and was incorporated in 1907. Its modern name, adopted in the early 20th century, is shortened from Prairie du Pont ("Bridge Prairie").

Text: Wikipedia · CC BY-SA 4.0

Dupo weather: 7-day forecast

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Live webcams in Dupo

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Living in Dupo

Median household income
$61,644
Median home value
$113,800
Median rent
$912/mo
Median age
42.9
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Map of Dupo

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Dupo, IL population

Dupo had 3,996 residents in the 2020 Census.

2020 Census3,996
Density647 per sq mi (250 per km²)

Source: U.S. Census Bureau, Decennial Census.

Dupo at a glance

StateIllinois (IL)
CountySt. Clair County
TypeVillage
Population3,996 (2020)
Land area6.18 sq mi (16.0 km²)
Water area0.02 sq mi (0.06 km²)
Elevation410 ft (125 m)
Coordinates38.5161° N, 90.2176° W
ZIP code62240
Census code (GEOID)1721254

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Dupo

Straight-line distance between town centers.

Frequently asked questions about Dupo

What county is Dupo in?

Dupo is in St. Clair County, Illinois.

What is the population of Dupo, IL?

3,996 people lived in Dupo at the 2020 Census.

What is the ZIP code of Dupo, IL?

The ZIP code of Dupo is 62240.

What is the elevation of Dupo?

410 feet (125 m) above sea level.

What towns are near Dupo?

East Carondelet (1.9 mi), Lemay (3.8 mi), Columbia (4.0 mi), Bella Villa (4.1 mi), Cahokia Heights (5.1 mi).

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