Letha is an unincorporated community in Gem County, Idaho The community is located 8 mi (13 km) west of Emmett. The Payette River flows northeast of Letha.

History

Letha was founded by W.W. Wilton and a Colonel Barnard and named for Wilton's daughter, Letha Wilton. It was built approximately midway along the railway running from Emmett to New Plymouth, Idaho, with anticipation that it would become a major rail center; although this never occurred, Letha today remains a service center for the adjacent farms and ranches.

Letha's population was estimated at 100 in 1960.

Utilities and services

The community includes a fire department, religious facilities, and manufacturing facilities. Higher education, police, medical and legal services are found at nearby Emmett.

Notable people

• Pro-Life, farmer and perennial candidate in Idaho politics