Ranking · Data 2025 · Source: BFS
The fastest-shrinking municipalities in canton Jura
National ranking →Grandfontaine is shrinking fastest in canton Jura: its population fell -4.2 % in 2025. Next come Les Enfers (-4 %) and Ederswiler (-3.5 %). The basis is the year’s population change. Source: FSO (BEVNAT).
Ranking
BFS · 2025| Rank | Municipality | Population change | Residents |
|---|---|---|---|
| 1 | Grandfontaine | -4.2% | 362 |
| 2 | Les Enfers | -4% | 145 |
| 3 | Ederswiler | -3.5% | 111 |
| 4 | Le Bémont | -2.9% | 299 |
| 5 | Mettembert | -2.7% | 109 |
| 6 | Fahy | -2.7% | 328 |
| 7 | Soubey | -1.6% | 123 |
| 8 | Courtedoux | -1.6% | 749 |
| 9 | Bourrignon | -1.5% | 259 |
| 10 | Basse-Allaine | -1.3% | 1'182 |
| 11 | Clos du Doubs | -1.2% | 1'289 |
| 12 | Lajoux | -1.1% | 712 |
| 13 | Saulcy | -1.1% | 274 |
| 14 | Muriaux | -1% | 513 |
| 15 | La Baroche | -1% | 1'124 |
| 16 | Boncourt | -0.9% | 1'159 |
| 17 | Val Terbi | -0.9% | 3'240 |
| 18 | Boécourt | -0.8% | 953 |
| 19 | Mervelier | -0.6% | 523 |
| 20 | Vendlincourt | -0.5% | 554 |
| 21 | Courtételle | -0.1% | 2'784 |
| 22 | Courroux | -0.1% | 3'439 |
| 23 | Saignelégier | -0.1% | 2'528 |
| 24 | Cornol | -0.1% | 1'082 |
| 25 | Haute-Ajoie | -0.1% | 1'063 |
| 26 | Le Noirmont | 0.1% | 1'936 |
| 27 | Les Bois | 0.2% | 1'246 |
| 28 | Montfaucon | 0.2% | 565 |
| 29 | Les Breuleux | 0.3% | 1'631 |
| 30 | Develier | 0.3% | 1'397 |
| 31 | Porrentruy | 0.4% | 6'597 |
| 32 | Les Genevez | 0.4% | 518 |
| 33 | Coeuve | 0.4% | 720 |
| 34 | Basse-Vendline | 0.7% | 741 |
| 35 | Fontenais | 0.8% | 1'645 |
| 36 | Pleigne | 0.8% | 368 |
| 37 | Alle | 1% | 1'965 |
| 38 | Courgenay | 1% | 2'463 |
| 39 | Haute-Sorne | 1.1% | 7'532 |
| 40 | Courrendlin | 1.4% | 3'737 |
| 41 | Delémont | 1.4% | 12'991 |
| 42 | Courchapoix | 1.6% | 456 |
| 43 | Damphreux-Lugnez | 1.6% | 376 |
| 44 | Soyhières | 1.8% | 461 |
| 45 | Movelier | 1.9% | 422 |
| 46 | Bure | 2.3% | 660 |
| 47 | Courchavon | 2.8% | 332 |
| 48 | Rossemaison | 3.7% | 767 |
| 49 | Saint-Brais | 4.6% | 248 |
| 50 | Châtillon | 5.3% | 500 |
BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 11.09.2026
How we measure this
BFSChange in the permanent resident population during calendar year 2025, in percent of the population on 1 January, from the FSO statistics on natural population movement (BEVNAT) and migration. This ranking shows the same measure from the other end: the steepest declines first. A negative value means shrinkage.
Frequently asked questions
- Which municipality in canton Jura is shrinking fastest?
- Grandfontaine: -4.2 % population in 2025 — the steepest decline of any municipality in canton Jura. Source: FSO (BEVNAT).
- Why do some municipalities shrink?
- The year’s population change comes from births, deaths and in/out-migration (FSO BEVNAT). When deaths and departures outweigh births and arrivals, the population falls. The percentage makes small and large municipalities comparable.