Porrentruy District is one of the three districts of the canton of Jura, Switzerland. Its capital is the town of Porrentruy. The French-speaking district has a population of .
Municipalities
Porrentruy is divided into a total of 21 municipalities:
Coat of arms
The blazon of the district coat of arms is Gules a Fess Argent, overall a Cockatrice Or volant holding in legs and beak a Crosier of the same.
Demographics
Porrentruy has a population of. Most of the population speaks French as their first language, German is the second most common and Italian is the third. There are 8 people who speak Romansh. , the population was 48.8% male and 51.2% female. The population was made up of 10,585 Swiss men and 1,243 non-Swiss men. There were 11,322 Swiss women and 1,083 non-Swiss women. Of the population in the district, 9,552 or about 39.8% were born in Porrentruy and lived there in 2000. There were 7,448 or 31.1% who were born in the same canton, while 2,708 or 11.3% were born somewhere else in Switzerland, and 3,388 or 14.1% were born outside of Switzerland. , there were 9,390 people who were single and never married in the district. There were 11,599 married individuals, 1,854 widows or widowers and 1,128 individuals who are divorced. There were 3,245 households that consist of only one person and 747 households with five or more people. The historical population is given in the following chart: Colors= id:lightgrey value:gray id:darkgrey value:gray ImageSize = width:960 height:210 PlotArea = height:150 left:100 bottom:50 right:100 AlignBars = justify DateFormat = x.y Period = from:0 till:27000 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:5000 start:0 ScaleMinor = gridcolor:lightgrey increment:1000 start:0 PlotData= color:yellowgreen width:40 mark: align:center bar:1850 from:start till:20565 text:"20,565" bar:1860 from:start till:21890 text:"21,890" bar:1870 from:start till:23988 text:"23,988" bar:1880 from:start till:24209 text:"24,209" bar:1888 from:start till:25419 text:"25,419" bar:1900 from:start till:26578 text:"26,578" bar:1910 from:start till:25611 text:"25,611" bar:1920 from:start till:25324 text:"25,324" bar:1930 from:start till:23679 text:"23,679" bar:1941 from:start till:24263 text:"24,263" bar:1950 from:start till:25212 text:"25,212" bar:1960 from:start till:25651 text:"25,651" bar:1970 from:start till:26135 text:"26,135" bar:1980 from:start till:24384 text:"24,384" bar:1990 from:start till:23904 text:"23,904" bar:2000 from:start till:23971 text:"23,971"
* The former municipalities of Montenol, Montmelon, Ocourt, Saint-Ursanne and Seleute merged to form the new municipality of Clos du Doubs. ** The former municipalities of Asuel, Charmoille, Fregiécourt, Miécourt and Pleujouse merged to form the new municipality of La Baroche.
* The former municipalities of Buix, Courtemaîche and Montignez merged to form the new municipality of Basse-Allaine.
* The former municipalities of Chevenez, Damvant, Réclère and Roche-d'Or merged to form the new municipality of Haute-Ajoie.
On 1 January 2013 the former municipality of Bressaucourt merged into the municipality of Fontenais. On 1 January 2018 the former municipality of Corban merged into the municipality of Haute-Ajoie.
Politics
In the 2007 federal election the most popular party was the CVP which received 33.81% of the vote. The next three most popular parties were the SPS, the FDP and the SVP. In the federal election, a total of 8,374 votes were cast, and the voter turnout was 46.7%.
Religion
From the, 18,473 or 77.1% were Roman Catholic, while 2,423 or 10.1% belonged to the Swiss Reformed Church. Of the rest of the population, there were 79 members of an Orthodox church, there were 15 individuals who belonged to the Christian Catholic Church, and there were 733 individuals who belonged to another Christian church. There were 8 individuals who were Jewish, and 287 who were Islamic. There were 30 individuals who were Buddhist, 8 individuals who were Hinduand 21 individuals who belonged to another church. 1,322 belonged to no church, are agnostic or atheist, and 933 individuals did not answer the question.
Education
In Porrentruy about 7,375 or of the population have completed non-mandatory upper secondary education, and 1,985 or have completed additional higher education. Of the 1,985 who completed tertiary schooling, 62.7% were Swiss men, 25.5% were Swiss women, 7.2% were non-Swiss men and 4.6% were non-Swiss women. The Canton of Jura school system provides two year of non-obligatory Kindergarten, followed by six years of Primary school. This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude. Following the lower Secondary students may attend a three or four year optional upper Secondary school followed by some form of Tertiary school or they may enter an apprenticeship. During the 2009-10 school year, there were a total of 1,955 students attending 117 classes in Porrentruy. There were 24 kindergarten classes with a total of 416 students in the district. The district had 92.5 primary classes and 1,539 students.
