Switzerland · Canton JU
Porrentruy
2900JU CANTON2900
Residents
6'601
Area
14.8 km²
Tax multiplier
205%
Postal codes
1
Demographics
BFS · 2023Women
3'361 50.9%
Men
3'240 49.1%
Children & youth (0–19)
1'211 18.3%
Swiss citizens
5'114 77.8%
Foreign residents
1'460 22.2%
0–19 · 1'211 · 18.3%20–64 · 3'735 · 56.6%65+ · 1'655 · 25.1%
Foreign residents 22.2%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 50.1%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 20.07.2026
Postal codes (1)
swisstopoNearby 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 (2023).
- Which canton is Porrentruy in?
- Porrentruy is located in canton JU.