
Salmon
- County:
- Lemhi County
- County Seat:
- Yes
- Area (mi²):
- 2.509
- State:
- Idaho
Salmon is a city located in Lemhi County, Idaho. Salmon has a 2025 population of 3,413. It is also the county seat of .Salmon is currently growing at a rate of 1.76% annually and its population has increased by 9.5% since the most recent census, which recorded a population of 3,117 in 2020.
The average household income in Salmon is $65,369 with a poverty rate of 16.25%. The median age in Salmon is 46.5 years: 44.3 years for males, and 48.1 years for females.