Leadore, ID - Leadore, Idaho Map & Directions - MapQuest
Leadore Map. Leadore is a ghost town in Lemhi County, Idaho, United States.The population was 70 in the 1990 census and is currently at 90 from the 2000 census. The town of Leadore dates from 1910, when the Gilmore and Pittsburgh Railroad was constructed from Armstead, Montana over Bannock Pass and into the Lemhi Valley.