Cascade County, Montana

Cascade County, Montana
Cascade County Courthouse
Location within the U.S. state of Montana
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 (34 km2)  0.5%
Population
 (2020)
 • Total
84,414
 • Estimate 
(2024)
84,523
 • Density31.29/sq mi (12.08/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.