Grubville is an unincorporated community in western Jefferson County, Missouri, United States. It is included in the Saint Louis metro area. It is located near the Jefferson/Franklin County line about a mile south of Route 30. The area code is 636 and zip code is 63041.
A post office caleld Grubville has been in operation since 1853. The community was named after the occupation of a local "grubber" (i.e. post hole digger).
Coordinates: 38°17′18″N 90°45′17″W / 38.28833°N 90.75472°W