
Cascade
- County:
- Valley County
- County Seat:
- Yes
- Area (mi²):
- 4.124
- State:
- Idaho
Cascade is a city located in Valley County, Idaho. Cascade has a 2025 population of 1,020. It is also the county seat of Valley County. Cascade is currently growing at a rate of 0.39% annually and its population has increased by 2.1% since the most recent census, which recorded a population of 999 in 2020.
The average household income in Cascade is $62,951 with a poverty rate of 34.93%. The median age in Cascade is 53.5 years: 61.4 years for males, and 46.5 years for females.