Cascade County Flag

Cascade County

State:
Montana
County Seat:
Great Falls

Cascade County's estimated 2026 population is 84,319 with a growth rate of -0.12% in the past year according to the most recent United States census data. Cascade County is the 5th largest county in Montana. The 2010 population was 81,513 and has seen a growth of 3.44% since that time.

84,319
Total Population
31
Population Density (mi²)
5
Population Rank (State)
-102 -0.12%
Annual Population Growth

Cascade County Population

Demographics

Economics and Income Statistics