Valley County, Idaho Cities (2025)

3 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
McCall14,2003,7182.34%4639 City
Cascade21,0321,0010.58%2504 City
Donnelly32562510.39%3591 City

Valley County Cities Summary

Largest City

McCall is the largest city in Valley County, with a population of 4,200.

Smallest City

Donnelly is the smallest city in Valley County, with a population of 256.

10 Largest Cities

There are 3 cities in Valley County, Idaho.

Location of Valley County