Cascade County, Montana
Cascade County Courthouse
Location within the U.S. state of Montana
Montana's location within the U.S.
|Named for||Great Falls of the Missouri River|
|Largest city||Great Falls|
|• Total||2,711 sq mi (7,020 km2)|
|• Land||2,698 sq mi (6,990 km2)|
|• Water||13 sq mi (30 km2) 0.5%%|
| • Estimate |
|• Density||30/sq mi (10/km2)|
|Time zone||UTC−7 (Mountain)|
|• Summer (DST)||UTC−6 (MDT)|
Cascade County (cascade means waterfall in French) is a county found in the U.S. state of Montana. As of the 2010 United States Census, there were 81,327 people, making it the fifth-most populous county in Montana. Its county seat is Great Falls.