Switzerland · Canton JU
Porrentruy
2900JU CANTON2900
Residents
6'601
Area
14.8 km²
Elevation
423 m a.s.l.
Tax multiplier
205%
Postal codes
1
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 50.1%39.4% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 50.5%34.2% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 46.8%59.7% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 46.9%37.3% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023Mitte31.8% · strongest party
Mitte31.8%
SP31.2%
SVP11.8%
FDP11.4%
GRÜNE10.4%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier205%
Cantonal tax multiplier285%
205%CH range 25%525%
Tax rank 17 of 50 in canton JuraSource: ESTV · retrieved 20.07.2026
Climate
Fahy · 10 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 · CC0Websiteporrentruy.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Porrentruy?
- The postal code of Porrentruy is 2900.
- What is the tax rate in Porrentruy?
- The municipal tax multiplier of Porrentruy is 205% (2026); canton JU levies 285%.
- How many residents does Porrentruy have?
- Porrentruy has 6'601 residents.
- How many foreign residents live in Porrentruy?
- Porrentruy has 1'460 foreign residents, a share of 22.21% (2024).
- Which party is strongest in Porrentruy?
- In the 2023 National Council election, Mitte was the strongest party in Porrentruy with 31.833% of the vote.