Challis is located in Custer County. About 902 people live here (as of 2020). Between 2010 and 2020, the population declined from 1,081 to 902. The area covers about 5.0 square kilometers. There are about 128 streets in Challis. The region was founded in 1878. The postal codes are 83226. The dialing code is 208. Challis is city in and the county seat of Custer County, Idaho, United States. Among other things, Challis has restaurants, supermarkets, schools and banks.
| Year built | 1878 |
| Area | 5.0 km² |
| Elevation | 5253 |
| Located in | Custer County |
| Postal code | 83226 |
| Country | United States |
| Population | 902 |
| Official name | Challis |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |