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Lemhi County, Idaho

Lemhi County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 8,397 (2024)
ID: 102368
County Official County Government
Contact: CLERK
206 COURTHOUSE DR, SALMON ID 83467-3900
GUS Population: 3,257 (2024)
ID: 162097
Municipal Municipal Government Within County
Contact: CITY CLERK
200 MAIN ST, SALMON ID 83467-4111
CITY OF LEADORE
GUS Population: 100 (2024)
ID: 162096
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 157, LEADORE ID 83464-0157