[5] The municipality is located in the Franches-Montagnes district, at an elevation of 1,016 m (3,333 ft) on the border between the Canton of Jura and Bern.

[6] The blazon of the municipal coat of arms is Or, on Coupeaux Gules a Horse rampant Sable langued of the second.

[10] Most of the population (as of 2000[update]) speaks French (84 or 85.7%) as their first language, German is the second most common (12 or 12.2%) and Dutch is the third (1 or 1.0%).

[12] Of the population in the municipality, 34 or about 34.7% were born in La Chaux-des-Breuleux and lived there in 2000.

[13] The historical population is given in the following chart:[3][14] The farm house number 22 is listed as Swiss heritage site of national significance.

The entire hamlet of La Chaux-des-Breuleux is part of the ISOS.

[15] In the 2007 federal election the most popular party was the SPS which received 35.71% of the vote.

In the federal election, a total of 43 votes were cast, and the voter turnout was 53.8%.

[10] There were 50 residents of the municipality who were employed in some capacity, of which females made up 46.0% of the workforce.

[10] From the 2000 census[update], 55 or 56.1% were Roman Catholic, while 15 or 15.3% 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.