Dayton (Kalispel-Pend d'Oreille: iʔɫixʷ,[3] Kutenai: aki¢qa) is an unincorporated community and census-designated place (CDP) in Lake County, Montana, United States.

U.S. Route 93 runs along the northern and western edges of the community, leading north 30 miles (48 km) to Kalispell and south 22 miles (35 km) to Polson, the Lake county seat.

There were 100 housing units at an average density of 186.3 per square mile (71.9/km2).

The racial makeup of the CDP was 93.68% White, 3.16% Native American, and 3.16% from two or more races.

31.3% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older.