What is the postal code of Troinex?

The postal code of Troinex is 1256.

What is the tax rate in Troinex?

The municipal tax multiplier of Troinex is 40% (2026); canton GE levies 147.5%.

How many foreign residents live in Troinex?

Troinex has 694 foreign residents, a share of 22.07% (2024).

Which party is strongest in Troinex?

In the 2023 National Council election, FDP was the strongest party in Troinex with 26.261% of the vote.

Switzerland · Canton GE

Troinex

1256

GE CANTON1256

Residents

2'858

Area

3.4 km²

Elevation

425 m a.s.l.

Tax multiplier

40%

Postal codes

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 65.5%44.4% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 65.5%30.0% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 63.4%69.8% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 63.4%39.9% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

FDP26.3% · strongest party

FDP26.3%

GRÜNE17.1%

SVP12.8%

GLP12.0%

SP11.6%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier40%

Cantonal tax multiplier147.5%

40%CH range 25%525%

Tax rank 17 of 45 in canton Geneva

Source: ESTV · retrieved 20.07.2026

Climate

Genève / Cointrin · 7.7 km

Annual mean temperature 202511.9 °C

Precipitation 2025921 mm

11.9 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Head of governmentFabrice Calame

Websitetroinex.ch ↗

Source: Wikidata · retrieved 27.07.2026

Postal codes (1)

swisstopo

1256

Troinex

Localities

swisstopo · 1

Troinex1256

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Troinex?: The postal code of Troinex is 1256.
What is the tax rate in Troinex?: The municipal tax multiplier of Troinex is 40% (2026); canton GE levies 147.5%.
How many residents does Troinex have?: Troinex has 2'858 residents.
How many foreign residents live in Troinex?: Troinex has 694 foreign residents, a share of 22.07% (2024).
Which party is strongest in Troinex?: In the 2023 National Council election, FDP was the strongest party in Troinex with 26.261% of the vote.

Map

OpenStreetMap