Madison County, Montana Facts for Kids

Quick facts for kids Madison County
U.S. county
Madison County Courthouse in Virginia City
Location within the U.S. state of Montana
Montana's location within the U.S.
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	2.3933/sq mi (0.92405/km²)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	1st
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. Its county seat is Virginia City. The county was founded in 1865; at the time it was part of the Montana Territory.

Geography
Demographics
- 2020 census
- 2010 census
Communities
Notable person
See also

Geography

According to the United States Census Bureau, the county has an area of 3,603 square miles (9,330 km²), of which 3,587 square miles (9,290 km²) is land and 15 square miles (39 km²) (0.4%) is water.

Major highways

Interstate 15
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

National protected areas

Beaverhead National Forest (part)
Deerlodge National Forest (part)
Gallatin National Forest (part)

Demographics

Historical population
Census	Pop.	%±
1870	2,684	—
1880	3,915	45.9%
1890	4,692	19.8%
1900	7,695	64.0%
1910	7,229	−6.1%
1920	7,495	3.7%
1930	6,323	−15.6%
1940	7,294	15.4%
1950	5,998	−17.8%
1960	5,211	−13.1%
1970	5,014	−3.8%
1980	5,448	8.7%
1990	5,989	9.9%
2000	6,851	14.4%
2010	7,691	12.3%
2020	8,623	12.1%
2022 (est.)	9,265	20.5%
U.S. Decennial Census 1790–1960 1900–1990 1990–2000 2010–2020

2020 census

As of the 2020 census, there were 8,623 people living in the county.

2010 census

As of the 2010 census, there were 7,691 people, 3,560 households, and 2,192 families residing in the county. The population density was 2.1 inhabitants per square mile (0.81/km²). There were 6,940 housing units at an average density of 1.9 units per square mile (0.73/km²). 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

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

Madison County, Montana facts for kids

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