Madison County, Montana

Madison County, Montana
Madison County is a county in the U.S. state of Montana. As of the 2020 census, the population was 8,623. Its county seat is Virginia City. The county was founded in 1865; at the time it was part of the Montana Territory.
Geography
According to the United States Census Bureau, the county has an area of , of which is land and (0.4%) is water.
Major highways
Interstate 15
Former U.S. Highway 91
U.S. Highway 287
Montana Highway 41
Montana Highway 84
Montana Highway 87
Montana Highway 55
Montana Highway 287
Adjacent counties
Beaverhead County - southwest
Silver Bow County - northwest
Jefferson County - north
Gallatin County - east
Fremont County, Idaho - south
National protected areas
Beaverhead National Forest (part)
Deerlodge National Forest (part)
Gallatin National Forest (part)
Politics
In presidential elections, Madison County has historically voted predominantly Republican, with Franklin D. Roosevelt the only Democrat to carry the vote since 1916, the last of the three times he did so being in 1940.
Demographics
2020 census
As of the census of 2020, there were 8,623 people.
2010 census
As of the census of 2010, there were 7,691 people, 3,560 households, and 2,192 families residing in the county. The population density was . There were 6,940 housing units at an average density of . The racial makeup of the county was 96.8% white, 0.5% American Indian, 0.3% Asian, 0.2% black or African American, 0.8% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 2.4% of the population. In terms of ancestry, 31.0% were German, 19.7% were English, 18.9% were Irish, 7.3% were Norwegian, 5.9% were Swedish, 5.0% were Scottish, and 2.9% were American.
Of the 3,560 households, 21.1% had children under the age of 18 living with them, 53.9% were married couples living together, 4.5% had a female householder with no husband present, 38.4% were non-families, and 32.6% of all households were made up of individuals. The average household size was 2.11 and the average family size was 2.67. The median age was 49.8 years.
The median income for a household in the county was $42,998 and the median income for a family was $52,636. Males had a median income of $38,495 versus $28,125 for females. The per capita income for the county was $32,205. About 8.5% of families and 11.6% of the population were below the poverty line, including 16.7% of those under age 18 and 9.8% of those age 65 or over.
Communities
Towns
Ennis
Sheridan
Twin Bridges
Virginia City
Census-designated places
Alder
Big Sky
Brandon
Harrison
Jeffers
Mammoth
McAllister
Norris
Pony
Silver Star
Other unincorporated communities
Cameron
Jefferson Island
Junction
Laurin
Nevada City
Red Bluff
Rochester
Ruby
Sterling
Summit
Former communities
Union City
Notable person
Sam V. Stewart, former Montana governor and Supreme Court justice
See also
List of lakes in Madison County, Montana
List of mountains in Madison County, Montana
National Register of Historic Places listings in Madison County, Montana
References
External links
Montana Association of Counties - Madison County website
1865 establishments in Montana Territory
Populated places established in 1865