| Official Name: | De Smet, Idaho |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Idaho |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Idaho |
| Subdivision Type2: | County |
| Subdivision Name2: | Benewah |
| Area Total Sq Mi: | 0.957 |
| Area Land Sq Mi: | 0.957 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2020 |
| Population Total: | 145 |
| Population Density Km2: | 55.98 |
| Population Density Sq Mi: | auto |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 2598 |
| Coordinates: | 47.1461°N -116.9158°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 83824 |
| Area Code: | 208, 986 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 397609 |
De Smet (also spelled Desmet) or ; is a census-designated place on the Coeur d'Alene Reservation in Benewah County, Idaho, United States.
U.S. Route 95 passes nearby and the community is located about a mile (1.6 km) south of Tensed, which was originally also to be titled Desmet before the name was ordered to be reversed and was subsequently misspelled by the post office. Latah Creek flows between the two communities.[1] De Smet has a post office with a ZIP code of 83824.[2] As of the 2010 census, its population was 145,[3] and its elevation is approximately above sea level.
De Smet was named for the Belgian Catholic priest Pierre De Smet,[4] a 19th-century Jesuit missionary. He worked with the Coeur d'Alène and other native peoples of western North America for most of his life, periodically returning to his chapter based in St. Louis, Missouri.
De Smet's population was estimated at 200 in 1909,[5] and was 100 in 1960.[6]
This region has warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, De Smet has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[7]
There is a tribal K-8 school, associated with the Bureau of Indian Education (BIE), Coeur d'Alene Tribal School.[8]