Fallon County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 3,049. Its county seat is Baker. The county was created in 1913 from a portion of Custer County. It is named for Benjamin O'Fallon, a nephew of Captain William Clark and an Indian agent for the upper Missouri region from 1823 to 1827.
Geography
According to the United States Census Bureau, the county has a total area of , of which is land and (0.1%) is water.
Adjacent counties
- Wibaux County - north
- Prairie County - northwest
- Custer County - west
- Carter County - south
- Harding County, South Dakota - southeast
- Bowman County, North Dakota - east
- Slope County, North Dakota - east
- Golden Valley County, North Dakota - northeast
Politics
Fallon County is a heavily Republican county, like most in eastern Montana, having supported the Republican presidential candidate in every election since 1936.
<!-- PresRow should be -->