{{Infobox Swiss town | subject_name = Basse-Allaine | municipality_type = Municipality | image_photo = Ancien Prieuré de Grandgourt - Façade ouest.jpg | image_caption = East facade of the priory of Grandgourt in Basse-Allaine | imagepath_coa = BasseAllaine-blazon.svg|pixel_coa= | canton = Jura | iso-code-region = CH-JU | district = Porrentruy |coordinates = {{coord|47|27|N|07|02|E|display=inline,title}} | postal_code = 2923 | municipality_code = 6807 | area = 23.05 | elevation = 398|elevation_description= | population = {{Swiss populations NC|CH-JU|6807}}|populationof={{Swiss populations YM|CH-JU}} | website = http://www.basse-allaine.ch/ | mayor = Thierry Crétin<ref name=Mayor>[https://basse-allaine.ch/autorites-administration/autorites Conseil communal] 2025 data {{in lang|fr}} accessed 20 may 2026</ref>|mayor_asof=2026|mayor_party= | executive_name = Conseil communal | executive_number_of_members = 7 | mayor_title = Maire|list_of_mayors = | places = | demonym = | neighboring_municipalities= Boncourt, Bure, Coeuve, Courchavon, Damphreux, Lugnez, Courcelles (F), Villars-le-Sec (F) | twintowns = |}}
'''Basse-Allaine''' ({{IPA|fr|bas alɛn}}) is a municipality in the district of Porrentruy in the canton of Jura in Switzerland. On 1 January 2009 the former municipalities of Buix, Courtemaîche and Montignez merged to form Basse-Allaine.<ref name=Fusion>[http://www.bfs.admin.ch/bfs/portal/de/index/infothek/nomenklaturen/blank/blank/gem_liste/03.html Amtliches Gemeindeverzeichnis der Schweiz] published by the Swiss Federal Statistical Office {{in lang|de}} accessed 14 January 2010</ref>
The name refers to the river Allaine which runs through the municipality.
==History== Buix is first mentioned in 1136 as ''Bus''.<ref name=HDS_Buix>{{HDS|2980|Buix}}</ref> Courtemaîche is first mentioned in 1139 as ''Cordomasge''.<ref name="HDS_Courtemaîche">{{HDS|2749|Courtemaîche}}</ref> Montignez is first mentioned in 731 as ''Montaniaco''.<ref name=HDS_Montignez>{{HDS|2999|Montignez}}</ref>
==Geography== Basse-Allaine has an area of {{Swiss area|6807|mi=on}}.{{Swiss area data|6807|QUELLE}}<!--23.05 - 22.99 km2--> Of this area, {{convert|10.13|km2|mi2|abbr=on}} or 43.9% is used for agricultural purposes, while {{convert|10.95|km2|mi2|abbr=on}} or 47.5% is forested. Of the rest of the land, {{convert|1.7|km2|mi2|abbr=on}} or 7.4% is settled (buildings or roads), {{convert|0.09|km2|acre|abbr=on}} or 0.4% is either rivers or lakes and {{convert|0.12|km2|acre|abbr=on}} or 0.5% is unproductive land.<ref name=BFS_land>[http://www.bfs.admin.ch/bfs/portal/de/index/themen/02/03/blank/data/gemeindedaten.html Swiss Federal Statistical Office-Land Use Statistics] 2009 data {{in lang|de}} accessed 25 March 2010</ref>
Of the built up area, housing and buildings made up 3.6% and transportation infrastructure made up 2.8%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 28.4% is used for growing crops and 14.2% is pastures, while 1.3% is used for orchards or vine crops. All the water in the municipality is flowing water.<ref name=BFS_land/>
The municipality consists of the villages of Buix, Courtemaîche and Montignez, the hamlet of Le Maira and the land around the Grandgourt priory.
==Demographics== Basse-Allaine has a population ({{as of|{{Swiss populations YM|CH-JU}}|lc=on}}) of {{Swiss populations|CH-JU|6807}}.{{Swiss populations ref|CH-JU}} {{as of|2010}}, 7.3% of the population are resident foreign nationals.<ref name=JU_STAT>[http://www.fistat.ch/extranet/groups/public/documents/documents/4290485.pdf Population résidante permanente des communes, selon le sexe et la nationalité, au 31 décembre 2010, canton du Jura] {{webarchive|url=https://web.archive.org/web/20120426062723/http://www.fistat.ch/extranet/groups/public/documents/documents/4290485.pdf |date=2012-04-26 }} pdf document from the [http://www.fistat.ch/extranet/common/stats/statistiques_list.hcst?section=1.2.2 Canton of Jura Statistical Office] {{webarchive|url=https://archive.today/20121204135316/http://www.fistat.ch/extranet/common/stats/statistiques_list.hcst?section=1.2.2 |date=2012-12-04 }} accessed 19 December 2011</ref> Over the last 10 years (2000–2010) the population has changed at a rate of -4.1%. Migration accounted for -2.5%, while births and deaths accounted for -1.8%.<ref name=SFSO>[http://www.bfs.admin.ch/bfs/portal/en/index/regionen/02/key.html Swiss Federal Statistical Office] {{webarchive |url=https://web.archive.org/web/20160105172441/http://www.bfs.admin.ch/bfs/portal/en/index/regionen/02/key.html |date=January 5, 2016 }} accessed 29-December-2011</ref>
Most of the population ({{as of|2000|lc=on}}) speaks French (93.9%) as their first language, German is the second most common (4.0%) and Spanish is the third (0.9%).<ref name=SFSO/>
{{as of|2008}}, the population was 48.9% male and 51.1% female. The population was made up of 588 Swiss men (45.1% of the population) and 50 (3.8%) non-Swiss men. There were 622 Swiss women (47.7%) and 45 (3.4%) non-Swiss women.<ref name=JU_STAT/> {{as of|2000}}, children and teenagers (0–19 years old) make up 23.5% of the population, while adults (20–64 years old) make up 57.1% and seniors (over 64 years old) make up 19.4%.<ref name=SFSO/>
{{as of|2009}}, the construction rate of new housing units was 3.8 new units per 1000 residents.<ref name=SFSO/> The vacancy rate for the municipality, {{as of|2010|alt=in 2010}}, was 3.53%.<ref name=SFSO/>
==Historic Population== The historical population is given in the following chart:<ref>[http://www.pxweb.bfs.admin.ch/Database/German_40%20-%20Eidgen%C3%B6ssische%20Volksz%C3%A4hlung/40.4%20-%201850-2000/40.4%20-%201850-2000.asp?lang=1&prod=40&secprod=4&openChild=trueSwiss Federal Statistical Office STAT-TAB Bevölkerungsentwicklung nach Region, 1850-2000] {{webarchive |url=https://web.archive.org/web/20120317185547/http://www.pxweb.bfs.admin.ch/Database/German_40%20-%20Eidgen%C3%B6ssische%20Volksz%C3%A4hlung/40.4%20-%201850-2000/40.4%20-%201850-2000.asp?lang=1&prod=40&secprod=4&openChild=trueSwiss |date=March 17, 2012 }} {{in lang|de}} accessed 29 January 2011</ref> <timeline> Colors= id:lightgrey value:gray(0.9) id:darkgrey value:gray(0.8) ImageSize = width:1100 height:500 PlotArea = height:350 left:100 bottom:90 right:100 Legend = columns:3 left:220 top:70 columnwidth:160 AlignBars = justify DateFormat = x.y Period = from:0 till:1800 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:400 start:0 ScaleMinor = gridcolor:lightgrey increment:80 start:0 Colors= id:BU value:yellowgreen legend:Buix id:CO value:green legend:Courtemaîche id:MO value:blue legend:Montignez PlotData= color:yellowgreen width:30 mark:(line,white) align:center bar:1850 from: 0 till:453 text:"453" color:BU bar:1860 from: 0 till:537 text:"537" color:BU bar:1870 from: 0 till:564 text:"564" color:BU bar:1880 from: 0 till:500 text:"500" color:BU bar:1890 from: 0 till:502 text:"502" color:BU bar:1900 from: 0 till:561 text:"561" color:BU bar:1910 from: 0 till:549 text:"549" color:BU bar:1920 from: 0 till:554 text:"554" color:BU bar:1930 from: 0 till:554 text:"554" color:BU bar:1940 from: 0 till:555 text:"555" color:BU bar:1950 from: 0 till:628 text:"628" color:BU bar:1960 from: 0 till:589 text:"589" color:BU bar:1970 from: 0 till:614 text:"614" color:BU bar:1980 from: 0 till:610 text:"610" color:BU bar:1990 from: 0 till:504 text:"504" color:BU bar:2000 from: 0 till:456 text:"456" color:BU bar:1850 from: 453 till:879 text:"426" color:CO bar:1860 from: 537 till:1004 text:"467" color:CO bar:1870 from: 564 till:1139 text:"575" color:CO bar:1880 from: 500 till:1067 text:"567" color:CO bar:1890 from: 502 till:1063 text:"561" color:CO bar:1900 from: 561 till:1241 text:"680" color:CO bar:1910 from: 549 till:1328 text:"779" color:CO bar:1920 from: 554 till:1330 text:"776" color:CO bar:1930 from: 554 till:1258 text:"704" color:CO bar:1940 from: 555 till:1260 text:"705" color:CO bar:1950 from: 628 till:1373 text:"745" color:CO bar:1960 from: 589 till:1324 text:"735" color:CO bar:1970 from: 614 till:1275 text:"661" color:CO bar:1980 from: 610 till:1210 text:"600" color:CO bar:1990 from: 504 till:1107 text:"603" color:CO bar:2000 from: 456 till:1089 text:"633" color:CO bar:1850 from: 879 till:1236 text:"357" color:MO bar:1860 from: 1004 till:1362 text:"358" color:MO bar:1870 from: 1139 till:1546 text:"407" color:MO bar:1880 from: 1067 till:1424 text:"357" color:MO bar:1890 from: 1063 till:1402 text:"339" color:MO bar:1900 from: 1241 till:1559 text:"318" color:MO bar:1910 from: 1328 till:1663 text:"335" color:MO bar:1920 from: 1330 till:1653 text:"323" color:MO bar:1930 from: 1258 till:1589 text:"331" color:MO bar:1940 from: 1260 till:1601 text:"341" color:MO bar:1950 from: 1373 till:1729 text:"356" color:MO bar:1960 from: 1324 till:1670 text:"346" color:MO bar:1970 from: 1275 till:1589 text:"314" color:MO bar:1980 from: 1210 till:1505 text:"295" color:MO bar:1990 from: 1107 till:1364 text:"257" color:MO bar:2000 from: 1089 till:1338 text:"249" color:MO </timeline>
==Heritage sites of national significance== [[File:Buix Prairie-Dessous (Villa gallo-romaine) (2).jpg|thumb|Prairie Dessous on the site of a Gallo-Roman villa ]] [[File:Ancien Prieuré de Grandgourt - Façade sud.jpg|thumb|Former priory of Grandgourt]] Prairie Dessous on the site of a Gallo-Roman villa and the former priory of Grandgourt are listed as Swiss heritage site of national significance. The village of Montignez, hamlet of Le Maira and Grandgourt area are all part of the Inventory of Swiss Heritage Sites.<ref>{{cite web|url=http://www.bevoelkerungsschutz.admin.ch/internet/bs/de/home/themen/kgs/kgs_inventar/a-objekte.html |title=Kantonsliste A-Objekte |year=2009 |work=KGS Inventar |publisher=Federal Office of Civil Protection |language=German |accessdate=25 April 2011 |url-status=dead |archiveurl=https://web.archive.org/web/20100628110559/http://www.bevoelkerungsschutz.admin.ch/internet/bs/de/home/themen/kgs/kgs_inventar/a-objekte.html |archivedate=28 June 2010 }}</ref>
==Economy== {{as of|2010|In 2010}}, Basse-Allaine had an unemployment rate of 4.6%. {{as of|2008}}, there were 164 people employed in the primary economic sector and about 39 businesses involved in this sector. 219 people were employed in the secondary sector and there were 13 businesses in this sector. 96 people were employed in the tertiary sector, with 27 businesses in this sector.<ref name=SFSO/> Of the working population, 6% used public transportation to get to work, and 64.2% used a private car.<ref name=SFSO/>
==Education== 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.<ref>{{Cite report |title=Kantonale Schulstrukturen in der Schweiz und im Fürstentum Liechtenstein / Structures Scolaires Cantonales en Suisse et Dans la Principauté du Liechtenstein |url= http://edudoc.ch/record/35128/files/Schulsystem_alle.pdf |author= EDK/CDIP/IDES |year= 2010 |accessdate= 24 June 2010 }}</ref>
During the 2009-10 school year, there were a total of 125 students attending 8 classes in Basse-Allaine. There were 2 kindergarten classes with a total of 39 students in the municipality.<ref name=kinder>[http://www.jura.ch/DFCS/SEN/Ecole-jurassienne/Ecole-enfantine/Ecole-enfantine.html Effectifs de l'école enfantine 2009-2010] {{webarchive|url=https://web.archive.org/web/20120414205710/http://www.jura.ch/DFCS/SEN/Ecole-jurassienne/Ecole-enfantine/Ecole-enfantine.html |date=2012-04-14 }} {{in lang|fr}} accessed 19 December 2011</ref> The municipality had 6 primary classes and 86 students.<ref name=Primary>[http://www.jura.ch/DFCS/SEN/Ecole-jurassienne/Ecole-primaire.html Effectifs de l'école primaire] {{in lang|fr}} accessed 19 December 2011</ref> There are only nine Secondary schools in the canton, so all the students from Basse-Allaine attend their secondary school in another municipality.
==Transportation== The municipality has two railway stations: {{rws|Buix}} and {{rws|Courtemaîche}}. Both are located on the Delémont–Delle line and have regular service to {{rws|Biel/Bienne}} and Meroux (in France). A third, {{rws|Grandgourt}}, closed in 2022.
==References== {{Reflist|colwidth=30em}}
==External links== {{Commons category|Basse-Allaine}} *{{HDS|2980|Buix}} *{{HDS|2989|Courtemaîche}} *{{HDS|2999|Montignez}}
{{Municipalities of the district of Porrentruy}} {{Authority control}}
Category:Municipalities of the canton of Jura Category:Cultural property of national significance in the canton of Jura