Weldon Spring, MO

View of Weldon Spring, MO
Image credit: LittleT889 / CC BY-SA 4.0
Population
5,301
U.S. Census Population Estimates Program · 2025
Elevation
538 ft
Median Home Value
$544,300
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$2,800/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$158,548
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Weldon Spring

Weldon Spring is a quiet, scenic suburb in St. Charles County known for its wooded subdivisions, spacious lots, and relaxed pace. Tucked along Interstate 64 and Route 94, the community offers quick access to shopping in O'Fallon and major employment hubs across the Missouri River in Chesterfield. Families are often drawn to the area for the highly rated Francis Howell School District. Because the municipal government is small, the city partners with St. Charles County for services like law enforcement, building inspections, and road maintenance, giving residents a close-knit neighborhood atmosphere backed by reliable county services.

Outdoor recreation is one of the biggest perks of living here. Weldon Spring City Park serves as a neighborhood gathering spot with walking paths, a fishing lake, playgrounds, and picnic pavilions. Just down the road, you can explore thousands of acres of surrounding green space, including the August A. Busch Memorial Conservation Area and direct connections to the Katy Trail. The Weldon Spring Site Interpretive Center sits nearby as well, offering restored prairie, walking access to the Hamburg Trail, and a limestone viewing deck that overlooks the surrounding hills.

If you are house hunting in the area, you will mostly find well-kept single-family homes in established subdivisions with mature trees. When touring properties, take time to check subdivision HOA guidelines and property boundaries, as lot sizes and covenants vary from one neighborhood to the next. It is also smart to test your morning drive across the Daniel Boone Bridge on I-64 if you work in St. Louis County. For buyers curious about the nearby federal interpretive center and its environmental history, state and federal agencies publish clear maps and monitoring reports online for full peace of mind.

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