Porrentruy District (Bezirk Pruntrut, District de Porrentruy) 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 (as of ). Porrentruy is divided into a total of 20 municipalities: 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. Porrentruy has a population () of . Most of the population () speaks French (22,008 or 91.8%) as their first language, German is the second most common (1,001 or 4.2%) and Italian is the third (306 or 1.3%). 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 (43.7% of the population) and 1,243 (5.1%) non-Swiss men. There were 11,322 Swiss women (46.7%) and 1,083 (4.5%) 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(0.9) id:darkgrey value:gray(0.8) ImageSize = width:960 height:210 PlotArea = height:150 left:100 bottom:50 right:100 AlignBars = justify DateFormat = x.