Les Bois (French pronunciation: [le bwa]) is a municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland.

Of the rest of the land, 1.36 km2 (0.53 sq mi) or 5.5% is settled (buildings or roads), 0.11 km2 (27 acres) or 0.4% is either rivers or lakes.

[6] The blazon of the municipal coat of arms is Argent, three Pine trees Vert trunked and radicated Sable issaunt from Coupeaux Gules.

[10] Most of the population (as of 2000[update]) speaks French (958 or 93.1%) as their first language, German is the second most common (46 or 4.5%) and Italian is the third (6 or 0.6%).

[12] Of the population in the municipality, 466 or about 45.3% were born in Les Bois and lived there in 2000.

[10] The historical population is given in the following chart:[3][14] In the 2007 federal election the most popular party was the SPS which received 36.67% of the vote.

In the federal election, a total of 327 votes were cast, and the voter turnout was 40.8%.

[10] There were 497 residents of the municipality who were employed in some capacity, of which females made up 43.5% of the workforce.

The number of jobs in the primary sector was 86, of which 81 were in agriculture and 5 were in forestry or lumber production.

In the tertiary sector; 28 or 30.1% were in wholesale or retail sales or the repair of motor vehicles, 8 or 8.6% were in the movement and storage of goods, 24 or 25.8% were in a hotel or restaurant, 3 or 3.2% were in the information industry, 1 was the insurance or financial industry, 8 or 8.6% were technical professionals or scientists, 8 or 8.6% were in education and 3 or 3.2% were in health care.

From the 2000 census[update], 668 or 64.9% were Roman Catholic, while 177 or 17.2% belonged to the Swiss Reformed Church.

This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.

[18] During the 2009–10 school year, there were a total of 118 students attending 7 classes in Les Bois.