Weldon Spring, Missouri

Weldon Spring, Missouri
Welcome sign to Weldon Spring, Missouri in June 2018
Location of Weldon Spring, Missouri
Coordinates: 38°43′0″N 90°38′57″W / 38.71667°N 90.64917°W / 38.71667; -90.64917
CountryUnited States
StateMissouri
CountySt. Charles
Area
  Total
7.78 sq mi (20.14 km2)
  Land7.65 sq mi (19.81 km2)
  Water0.13 sq mi (0.33 km2)
Elevation
541 ft (165 m)
Population
 (2020)
  Total
5,326
  Density696.48/sq mi (268.91/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
FIPS code29-78314
GNIS feature ID0756882

Weldon Spring is a city in St. Charles County, Missouri, United States. The population was 5,326 at the 2020 census.