Explore Weldon Spring, Missouri, with this interactive street and satellite map. You can “grab” the Weldon Spring, MO street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Weldon Spring |
| State | Missouri (MO) |
| County | St. Charles |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.713386 |
| Longitude | -90.689293 |
| Population | 5,310 |
| Density | 267.1 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 63304 |
| Area Code | 314 |
| County Seat | St. Charles |
| School District | Francis Howell R-III School District |
Weldon Spring is a locality in St. Charles County, Missouri, United States. It has a population of approximately 5,310. The population density is 267.1 people per km². Weldon Spring is located at 38.7134°N, 90.6893°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 63304.
Weldon Spring unfolds as a landscape of gentle, rolling hills, where the Missouri River’s broad, silty presence shapes the horizon. It lies 6.0 miles south-south-west of St. Peters, MO (from St. Peters, MO: bearing 212°T), and is situated 6.7 miles south of O'Fallon. Ancient oaks and hickories, their branches reaching like weathered hands, cast dappled shadows across the humid air, a breath thick with the scent of damp earth and ripening wild berries. The land here breathes with a quiet resilience, its contours hinting at the slow, persistent work of water and wind, where patches of cultivated fields give way to the wilder, untamed beauty of woodlands. Sunlight, especially in the late afternoon, seems to linger, bathing the greens and browns in a warm, golden hue that softens the edges of the world. The history of Weldon Spring is a narrative etched by the ebb and flow of human endeavor and natural forces. Once a vital port and agricultural hub along the Missouri River, its economy was intrinsically tied to the bounty of the fertile soil and the river's navigable path, with steamboats once churning its waters. Later, the area became a significant site for federal government operations, notably during the mid-20th century, leaving behind a unique historical footprint. Today, Weldon Spring retains a sense of its past while embracing its present, with the Weldon Spring Conservation Area offering a sanctuary for natural exploration, a place where the echoes of history mingle with the rustle of leaves and the distant murmur of the river, a testament to the enduring spirit of this Missouri locale.
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This page provides an embedded street and satellite map of Weldon Spring, Missouri — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.713386, -90.689293. 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 Weldon Spring and St. Charles County.
Detailed location data for Weldon Spring includes the ZIP code (63304), telephone area code (314), county seat of St. Charles County (St. Charles), and school district assignment (Francis Howell R-III School District). 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 Weldon Spring is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |