Jette is a census-designated place (CDP) in Lake County, Montana, United States. The population was 267 at the 2000 census.
Jette is located at 47°43′2″N 114°11′14″W / 47.71722°N 114.18722°W / 47.71722; -114.18722 (47.717170, -114.187267).
According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km), all of it land.
As of the census of 2000, there were 267 people, 103 households, and 84 families residing in the CDP. The population density was 431.8 people per square mile (166.3/km²). There were 138 housing units at an average density of 223.2/sq mi (85.9/km²). The racial makeup of the CDP was 91.39% White, 3.75% Native American, 0.37% from other races, and 4.49% from two or more races. Hispanic or Latino of any race were 3.00% of the population.
There were 103 households out of which 25.2% had children under the age of 18 living with them, 74.8% were married couples living together, 4.9% had a female householder with no husband present, and 18.4% were non-families. 13.6% of all households were made up of individuals and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 2.85.
In the CDP, the population was spread out with 23.6% under the age of 18, 3.4% from 18 to 24, 19.5% from 25 to 44, 28.1% from 45 to 64, and 25.5% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 88.0 males. For every 100 females age 18 and over, there were 88.9 males.
The median income for a household in the CDP was $43,889, and the median income for a family was $61,250. Males had a median income of $87,041 versus $9,712 for females. The per capita income for the CDP was $25,808. None of the population or families were below the poverty line.