Kalispell is a city located in the northwestern region of Montana in the United States. It serves as the county seat of Flathead County and functions as the commercial center of the Kalispell Micropolitan Statistical Area. The name Kalispell originates from a Salish word, which translates to "flat land above the lake."
According to census data, the city's population was 24,558 in 2020, with more recent estimates placing it at 31,296. Between 2010 and 2020, Kalispell ranked as the seventh most populous and eighth fastest-growing city in Montana, while also ranking as the eighth largest by area.