Cascade County, Montana

Cascade County
Cascade County Courthouse
Location within the U.S. state of Montana
Montana's location within the U.S.
Coordinates: 47°19′N 111°21′W / 47.31°N 111.35°W / 47.31; -111.35
Country United States
State Montana
Founded1887
Named afterGreat Falls of the Missouri River
SeatGreat Falls
Largest cityGreat Falls
Area
  Total
2,711 sq mi (7,020 km2)
  Land2,698 sq mi (6,990 km2)
  Water13 sq mi (30 km2)  0.5%
Population
 (2020)
  Total
84,414
  Estimate 
(2024)
84,523
  Density31/sq mi (12/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.cascadecountymt.gov
  • Montana county number 02

Cascade County (cascade means waterfall in French) is a county located in the U.S. state of Montana. As of the 2020 census, the population was 84,414, making it the fifth-most populous county in Montana. Its county seat is Great Falls.

Cascade County comprises the Great Falls, MT Metropolitan Statistical Area.