Weldon Spring city, Missouri
Official LSAD Designation: Weldon Spring city • Census GEOID: 2978314
• St. Charles County
Weldon Spring city is an incorporated city in St. Charles County, Missouri. According to official records from the Census (2025), Weldon Spring city had an estimated population of 5,301 residents. Official Census Bureau geographic records classify this community under LSAD designation Weldon Spring city (GEOID 2978314).
Local Government Administration U.S. Census Bureau GMAF
City Of Weldon Spring
Municipal
Official Title:
City Administrator
Address:
5401 INDEPENDENCE RD, WELDON SPRING MO 63304-7845
County Of St Charles
County
Official Title:
County Executive
Address:
100 N 3RD STREET, SUITE 318, SAINT CHARLES MO 63301
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 5,301 | 2025 |
| Median Household Income | $158,548 | 2020-2024 |
| Median Home Value | $544,300 | 2020-2024 |
| Land Area | 7.65 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).