Dupo Illinois Map

About Dupo, Illinois

Dupo is a locality in St. Clair County, Illinois, United States. It has a population of approximately 3,879. The population density is 236.0 people per km². Dupo is located at 38.5162°N, 90.2104°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62240.

Dupo sits where the Mississippi River's vast breath begins to shape the land, a place where flat expanses of rich farmland stretch towards horizons often softened by the humid haze of the Midwest. It lies 6.0 miles east-north-east of Oakville, MO (from Oakville, MO: bearing 58°T), and is situated 7.7 miles south of St. Louis. The air here carries the earthy scent of turned soil and the distant, metallic tang of industry, a scent that mingles with the sweet perfume of ripening crops in the summer. Along the western edge, the mighty Mississippi, a ribbon of ceaseless movement, carves its own destiny, its presence a constant hum beneath the quiet unfolding of daily life. The sky above Dupo is a grand canvas, frequently painted with the dramatic strokes of thunderheads or the soft, lingering blush of a prairie sunset, a visual testament to the open, unhindered expanse of this terrain. The story of Dupo is deeply entwined with the fertile soil and the river's generous, and sometimes capricious, embrace. Once a landscape shaped by ancient waterways and the slow work of glaciers, this land became a breadbasket, its economy historically rooted in the bounty of agriculture, with corn and soybeans standing sentinel in the endless fields. The railroad, a vital artery of commerce, also played a significant role in Dupo's development, connecting its agricultural output to wider markets. Today, while farming remains a cornerstone, the proximity to the St. Louis metropolitan area brings a different pulse, a blend of rural tranquility and the subtle hum of a broader economic network, with transportation and logistics becoming increasingly important threads in the fabric of Dupo's present.

About This Dupo Map Page

This page provides an embedded street and satellite map of Dupo, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.516163, -90.21039. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Dupo and St. Clair County.

Detailed location data for Dupo includes the ZIP code (62239), telephone area code (217), county seat of St. Clair County (Belleville), and school district assignment (Dupo Community Unit School District 196). These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Dupo is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.