
De Smet
- County:
- Benewah County
- County Seat:
- No
- Area (mi²):
- 0.957
- State:
- Idaho
De Smet is a CDP located in Benewah County, Idaho. De Smet has a 2025 population of 109. De Smet is currently declining at a rate of -3.54% annually and its population has decreased by -31.87% since the most recent census, which recorded a population of 160 in 2020.
The average household income in De Smet is $47,490 with a poverty rate of 47.01%. The median age in De Smet is 21.5 years: 21.6 years for males, and 19.9 years for females.