Canyon County Flag

Canyon County

State:
Idaho
County Seat:
Caldwell

Canyon County's estimated 2025 population is 271,238 with a growth rate of 2.56% in the past year according to the most recent United States census data. Canyon County is the 2nd largest county in Idaho. The 2010 population was 189,365 and has seen a growth of 43.24% since that time.

271,238
Total Population
462
Population Density (mi²)
2
Population Rank (State)
6.8K 2.56%
Annual Population Growth

Canyon County Population

Demographics

Economics and Income Statistics