Ludwig is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in Jefferson County, in the U.S. state of

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

. The community was named for an individual identified as "Mr. Ludwig," who produced lime in the area.

References

Unincorporated communities in Jefferson County, Missouri Unincorporated communities in Missouri {{jeffersonCountyMO-geo-stub