Madison County, Montana

Madison County
Madison County
County
	Madison County Courthouse in Virginia City
	Location within the U.S. state of Montana
	Montana's location within the U.S.
	Coordinates: 45°18′N 111°55′W / 45.3°N 111.92°W
Country	United States
State	Montana
Founded	1865
Named for	James Madison
Seat	Virginia City
Largest town	Ennis
Area
• Total	3,603 sq mi (9,330 km2)
• Land	3,587 sq mi (9,290 km2)
• Water	15 sq mi (40 km2) 0.4%
Population (2020)
• Total	8,623
• Estimate (2022)	9,265
• Density	2.4/sq mi (0.92/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	1st
Website	www.madison.mt.gov
	Montana county number 25;

Madison County is a county in the U.S. state of Montana. As of the 2020 census, the population was 8,623.^[2] Its county seat is Virginia City.^[3] The county was founded in 1865;^[4] at the time it was part of the Montana Territory.

^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 196.
^ "State & County QuickFacts". United States Census Bureau. Retrieved May 8, 2023.
^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
^ "Montana Place Names Companion". Montana Place Names From Alzada to Zortman. Montana Historical Society Research Center. Retrieved December 1, 2014.