Custer County, Montana

Custer County
Custer County
County
	Custer County Courthouse in Miles City
	Location within the U.S. state of Montana
	Montana's location within the U.S.
	Coordinates: 46°16′N 105°35′W / 46.27°N 105.58°W
Country	United States
State	Montana
Founded	June 2, 1865
Named for	George Armstrong Custer
Seat	Miles City
Largest city	Miles City
Area
• Total	3,793 sq mi (9,820 km2)
• Land	3,783 sq mi (9,800 km2)
• Water	9.9 sq mi (26 km2) 0.3%
Population (2020)
• Total	11,867
• Estimate (2022)	12,032
• Density	3.1/sq mi (1.2/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	2nd
Website	https://custercountymt.com/
	Montana county number 14;

Custer County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 11,867.^[1] Its county seat is Miles City.^[2] The county was established on June 2, 1865, as one of the nine original counties of the Territory of Montana named Big Horn County,^[3] and was renamed on February 16, 1877, in honor of Lieutenant Colonel George Armstrong Custer.^[4]

^ "State & County QuickFacts". United States Census Bureau. Retrieved April 5, 2023.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ Big Horn County, Montana Territory was not the same county as present day Big Horn County, Montana.
^ "A Brief Custer County History". Custer County Montana. Archived from the original on October 28, 2014. Retrieved December 1, 2014.