Switzerland · Canton JU
Grandfontaine
2908JU CANTON2908
Residents
381
Area
9 km²
Tax multiplier
225%
Postal codes
1
Demographics
BFS · 2023Women
197 51.7%
Men
184 48.3%
Children & youth (0–19)
85 22.3%
Swiss citizens
358 94.7%
Foreign residents
20 5.3%
0–19 · 85 · 22.3%20–64 · 201 · 52.8%65+ · 95 · 24.9%
Foreign residents 5.3%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 50.8%49.0% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 52.5%57.1% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 52.6%40.9% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 52.6%20.9% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023Mitte38.0% · strongest party
Mitte38.0%
SVP26.8%
SP19.0%
FDP8.1%
Übrige2.8%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier225%
Cantonal tax multiplier285%
225%CH range 25%525%
Tax rank 41 of 50 in canton JuraSource: ESTV · retrieved 20.07.2026
Climate
Fahy · 3.2 kmAnnual mean temperature 202510.6 °C
Precipitation 20251'040 mm
10.6 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitegrandfontaine.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (1)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Grandfontaine?
- The postal code of Grandfontaine is 2908.
- What is the tax rate in Grandfontaine?
- The municipal tax multiplier of Grandfontaine is 225% (2026); canton JU levies 285%.
- How many residents does Grandfontaine have?
- Grandfontaine has 381 residents (2023).
- Which canton is Grandfontaine in?
- Grandfontaine is located in canton JU.