Châtillon (French pronunciation: [ʃatijɔ̃] ⓘ) is a municipality in the district of Delémont in the canton of Jura in Switzerland.

Of the rest of the land, 0.28 km2 (0.11 sq mi) or 5.3% is settled (buildings or roads) and 0.01 km2 (2.5 acres) or 0.2% is either rivers or lakes.

[5] Of the settled area, housing and buildings made up 3.2% and transportation infrastructure make up 1.7%.

The blazon of the municipal coat of arms is Argent, issuant from a Base Vert a Castle Sable of two stories embattled, with two towers and in sinister a Pine tree of the second.

[9] Most of the population (as of 2000[update]) speaks French (364 or 96.3%) as their first language, German is the second most common (10 or 2.6%) and Italian is the third (2 or 0.5%).

[9] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the SPS which received 49.06% of the vote.

[9] There were 155 residents of the municipality who were employed in some capacity, of which females made up 37.4% of the workforce.

The number of jobs in the primary sector was 23, of which 19 were in agriculture and 4 were in forestry or lumber production.

In the tertiary sector; 2 or 18.2% were in wholesale or retail sales or the repair of motor vehicles, 1 was a technical professional or scientist, 6 or 54.5% were in education and 1 was in health care.

[9] From the 2000 census[update], 304 or 80.4% were Roman Catholic, while 28 or 7.4% 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.