The 1920 Census found the Maytags of Maytag washer fame, living in Newton, Iowa. Frederick Maytag isn't living there anymore---and Maytags are made there anymore either, if I recall. At least they didn't move Maytag's remains to Mexico!
You can clean up on your search for your relatives in the 1920 United States Federal Census. Just don't go too crazy during the spin cycle.