Jefferson County (Montana)
Jefferson County is a county located in the state of Montana in the United States. The the county seat ( county seat ) is located in Boulder.
Geography
The county is located in the central southwestern Montana, about 70 km each in the south and west from Idaho and cross- clockwise to the County: Lewis and Clark County, Broadwater County, Gallatin County, Madison County, Silver Bow County, Deer Lodge County and Powell County.
Demographic data
1900-1990 2000 2010
According to the census of 2000, there were 10,049 people in the county. There were 3,747 households and 2,847 families. The population density was 2 people per square kilometer. The racial the population was composed of 96.07 % White, 0.14 % African American, 1.26 % Native American, 0.42 % Asian, 0.07 % Pacific Islander residents from the and 0.38 % from other races groups; 1.66% were descended from two or more races. 1.48 % of the population were Hispanic or Latino of any race.
Of the 3,747 households out of which 35.60 % have children under the age of 18 living with them. 67.10 % were married couples living together, 5.90% had a female householder with no husband. 24.00 % were non-families. 20.20% of all households and 7.30 % had someone living alone at the age of 65 years or older. The average household size was 2.62 and the average family size was 3.03.
Based on the county the population was spread out with 27.80 % under the age of 18, 5.20 % from 18 to 24, 26.80 % from 25 to 44 years, 29.90 % between 45 and 64 years and 10.30% were 65 years old or older. The average age was 40 years. For every 100 females there were 100.80 males to 100 females age 18 and over, there were 100.40 males.
The median income for a household was $ 41,506, and the median income for a family was $ 48,912. Males have a median income of $ 34,753, women $ 25,011. The per capita income was $ 18,250. 9.00% of the population and 6.70% of families are below the poverty line. 10.40 % of those under age 18 and 9.60% were 65 years or older.
Places
- Alhambra
- Amazon
- Basin
- Bernice
- Boulder
- Cardwell
- Cedric
- Clancy
- Clasoil
- Comet
- Corbin
- Donald
- Elk Park
- Elkhorn
- Homestake
- Jefferson City
- La Hood Park
- Leadville
- Louisville
- Montana City
- Piedmont
- Pipestone Hot Springs
- Portal
- Queen
- Renova
- Sunlight
- Trask
- Vendome
- Welch
- Whitehall
- Wickes
- Woodville