Drayton Plains is an unincorporated community in Oakland County in the U.S. state of Michigan. The community is located within Waterford Township. As an unincorporated community, Drayton Plains has no legally defined area or population statistics of its own. It once had its own post office with the 48020 ZIP Code but now uses the 48329 Waterford ZIP Code. It is located on Dixie Highway near the west end of Loon Lake.