What is the postal code of Bardonnex?

Bardonnex has 2 postal codes: 1257, 1258.

What is the tax rate in Bardonnex?

The municipal tax multiplier of Bardonnex is 43% (2026); canton GE levies 147.5%.

How many residents does Bardonnex have?

Bardonnex has 2'548 residents (2023).

Which canton is Bardonnex in?

Bardonnex is located in canton GE.

Switzerland · Canton GE

Bardonnex

1257–1258

GE CANTON1257 1258

Residents

2'548

Area

5 km²

Tax multiplier

43%

Postal codes

Demographics

BFS · 2023

Women

1'332 52.3%

Men

1'216 47.7%

Children & youth (0–19)

571 22.4%

Swiss citizens

1'894 74.4%

Foreign residents

651 25.6%

0–19 · 571 · 22.4%20–64 · 1'480 · 58.1%65+ · 497 · 19.5%

Foreign residents 25.6%0%61.6%

Source: BFS/OFS · retrieved 24.07.2026

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 60.9%44.4% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 60.9%37.7% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 58.5%65.6% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 58.5%40.6% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

Mitte17.2% · strongest party

Mitte17.2%

GRÜNE16.1%

FDP15.8%

SP14.7%

SVP13.7%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier43%

Cantonal tax multiplier147.5%

43%CH range 25%525%

Tax rank 24 of 45 in canton Geneva

Source: ESTV · retrieved 20.07.2026

Climate

Genève / Cointrin · 9.2 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 governmentBéatrice Guex-Crosier

Websitebardonnex.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Bardonnex?: Bardonnex has 2 postal codes: 1257, 1258.
What is the tax rate in Bardonnex?: The municipal tax multiplier of Bardonnex is 43% (2026); canton GE levies 147.5%.
How many residents does Bardonnex have?: Bardonnex has 2'548 residents (2023).
Which canton is Bardonnex in?: Bardonnex is located in canton GE.

Map

OpenStreetMap