McCone County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,729. Its county seat is Circle.
The county was created in 1919. It was named for State Senator George McCone, who had been one of the first county commissioners of Dawson County.
Geography
thumb|left|200px|Typical McCone County landscape.
According to the United States Census Bureau, the county has a total area of , of which is land and (1.5%) is water.
Major highways
- 20px Montana Highway 13
- 20px Montana Highway 24
- 20px Montana Highway 200
Adjacent counties
- Valley County - west
- Roosevelt County - north
- Richland County - northeast
- Dawson County - east
- Prairie County - south
- Garfield County - west
National protected area
- Charles M. Russell National Wildlife Refuge (part)