Canyon County Flag

Canyon County

State:
Idaho
County Seat:
Caldwell

Canyon County's 2026 population is estimated at 283,192, reflecting a 2.96% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Canyon County is the 2nd largest county in Idaho. The 2010 population was 189,365 and has grown 49.55% since 2010.

283,192
Total Population
482
Population Density (mi²)
2
Population Rank (State)
8.2K 2.96%
Annual Population Growth

Canyon County Population

Demographics

Economics and Income Statistics