Smelterville is a city located in Shoshone County, in the state of Idaho (ID), United States. Nestled in the Mountain division of the West region, it covers an area of 0.3 square miles (1.0 km²) and sits at an elevation of 2230 ft. With a population of approximately 651 residents, Smelterville offers a peaceful, rural atmosphere.
The town's population is composed of about 51% males and 49% females, and it has a population density of 34.38 people per square mile (785.48/km²). Smelterville lies at a latitude of 47.54 and a longitude of -116.18, operating in the UTC-8.
Locals reflect a blend of American ancestry, with roots primarily in United States (11.5%), followed by English (8.9%), German (24.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 83868.