Saint-Brais is a municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland.

Of the rest of the land, 0.55 km2 (0.21 sq mi) or 3.6% is settled (buildings or roads), 0.17 km2 (0.066 sq mi) or 1.1% is either rivers or lakes and 0.05 km2 (12 acres) or 0.3% is unproductive land.

It consists of the village of Saint-Brais and scattered hamlets and individual farm houses.

[6] The blazon of the municipal coat of arms is Azure, St. Brice depicted as bishop clad Argent with mitre and haloed Or holding a crosier statant on Coupeaux of the last.

[10] Most of the population (as of 2000[update]) speaks French (188 or 88.7%) as their first language, German is the second most common (18 or 8.5%) and Dutch is the third (4 or 1.9%).

[10] The historical population is given in the following chart:[3][14] The prehistoric settlement of Le Mont, which is shared sith Glovelier, is listed as a Swiss heritage site of national significance.

[15] In the 2007 federal election the most popular party was the CVP which received 34% of the vote.

In the federal election, a total of 77 votes were cast, and the voter turnout was 41.6%.

[10] There were 98 residents of the municipality who were employed in some capacity, of which females made up 34.7% of the workforce.

In the tertiary sector; 5 or 27.8% were in wholesale or retail sales or the repair of motor vehicles, 2 or 11.1% were in the movement and storage of goods, 8 or 44.4% were in a hotel or restaurant, 1 was in education.

[10] The municipality has a railway station, Bollement, on the La Chaux-de-Fonds–Glovelier line.

From the 2000 census[update], 157 or 74.1% were Roman Catholic, while 12 or 5.7% 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.