De Smet is an unincorporated census-designated place on the Coeur d'Alene Reservation in Benewah County, Idaho. De Smet is located near U.S. Route 95 1 mile south of Tensed. De Smet has a post office with ZIP code 83824.
If you want to save a good bit of money on gas and don't want the hassle of a carpool, then you are in luck; the public transportation in De Smet is great. Improvement to sidewalks here has led to a very large increase in the number of residents that commute by walking.