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 much tax do you pay in Bardonnex?

A single person without children pays about 15'290 CHF income tax in Bardonnex on 100'000 CHF gross income (federal, cantonal, municipal), rank 24 of 45 in canton GE. Source: ESTV (2026).

How many residents does Bardonnex have?

Bardonnex has 2'528 residents (2025).

How many foreign residents live in Bardonnex?

Bardonnex has 648 foreign residents, a share of 25.63% (2025).

Switzerland · Canton GE

Bardonnex

1257–1258

GE CANTON1257 1258

Residents

2'528

Area

5 km²

Population density

506 pop./km²

Elevation

470 m a.s.l.

Tax multiplier

43%

Postal codes

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025

Women

1'314 52.0%

Men

1'214 48.0%

Children & youth (0–19)

557 22.0%

Swiss citizens

1'880 74.4%

Foreign residents

648 25.6%

Population density

506 pop./km²

0–19 · 557 · 22.0%20–64 · 1'444 · 57.1%65+ · 527 · 20.8%

Foreign residents 25.6%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Bardonnex

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

44.4% YesNo 55.6%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

37.7% YesNo 62.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

65.6% YesNo 34.4%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

40.6% YesNo 59.4%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

30.4% YesNo 69.7%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

30.9% YesNo 69.1%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

77.8% YesNo 22.2%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

52.7% YesNo 47.3%

30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes

28.2% YesNo 71.8%

30.11.2025Volksinitiative «Für eine engagierte Schweiz (Service-citoyen-Initiative)»Federal● Rejected · 15.9% Yes

14.9% YesNo 85.1%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

Mitte17.2% · strongest party

Mitte17.2%

GRÜNE16.1%

FDP15.8%

SP14.7%

SVP13.7%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier43%

Cantonal tax multiplier147.5%

43%GE range 25%51%

Tax rank 24 of 45 in canton Geneva

Tax burden

Single, 100'000 CHF gross income

15'290 CHF(15.3%)

Rank 24 of 45 in the canton · 1050 of 2110 in Switzerland

Median canton 15'212 CHF · median Switzerland 15'290 CHF

Cheapest Cologny 13'885 CHF · most expensive Avully 15'914 CHF

Income tax as % of gross income

100'000 CHF:15'290 CHF(~15.3%)

BardonnexCanton range GenevaSwitzerland median

Show data table

Gross income	Bardonnex	Geneva	Switzerland median
40'000	5.1%	4.6–5.3%	5.4%
50'000	7.5%	6.8–7.8%	7.8%
60'000	9.7%	8.8–10.1%	10.5%
70'000	11.5%	10.4–12%	11.9%
80'000	12.9%	11.7–13.4%	13.1%
90'000	14%	12.7–14.6%	14.1%
100'000	15.3%	13.9–15.9%	15.3%
110'000	16.4%	14.9–17.1%	16.3%
120'000	17.4%	15.8–18.1%	17.2%
130'000	18.2%	16.6–18.9%	18.1%
140'000	19.1%	17.4–19.8%	19%
150'000	19.8%	18.1–20.6%	19.7%
175'000	21.6%	19.8–22.4%	21.6%
200'000	23.2%	21.3–24%	23.2%
225'000	24.6%	22.6–25.5%	24.6%
250'000	25.8%	23.8–26.7%	25.8%
275'000	26.9%	24.8–27.8%	26.8%
300'000	27.7%	25.6–28.6%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202011 °C

Precipitation 1991–2020839 mm

11 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

500 m

Mean elevation

469 m

Relief

84 m

Mean slope

2.6°

Flat share

91.3%

South-facing

4.0%

Above 2000 m

0.0%

Relief 84 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026

Solar potential

BFE

Roof potential

19.3 GWh/yr

Roofs + façades

23.7 GWh/yr

≈ households powered

4'300

19 GWh/yr01'133 GWh/yr

BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

Electricity

ElCom · 2026

Tariff H4

24.88 Rp./kWh

Energy

9.67 Rp./kWh

Grid usage

9.88 Rp./kWh

Levies + grid surcharge

3.54 Rp./kWh

24.88 Rp./kWh9.6443.61

Canton median 24.88 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Services industriels de Genève

ElCom tariff comparison ↗

How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

0.27 %

Avg. rooms

3.6

Dwellings

1'119

Built before 194628.3%

Built since 200119.0%

0.27 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 39 min · Car 20 min

AgglomerationPT 39 min · Car 20 min

Remoteness 16/45 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Head of governmentBéatrice Guex-Crosier

Websitebardonnex.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'528 #27 GE · #834 CH Families & children22% #31 GE · #552 CH Age structure20.8% #8 GE · #1086 CH Women share52% #12 GE · #146 CH Foreign residents25.6% #28 GE · #520 CH Population density506/km² #26 GE · #496 CH Tax burden15'290 #24 GE · #1050 CH Taxes43% #24 GE Warmest municipalities11 °C #13 GE · #81 CH Sunniest municipalities47.6% #13 GE · #359 CH Rainiest municipalities839 mm #44 GE · #2029 CH Voter turnout57.1% #22 GE · #803 CH Against Switzerland20% #26 GE · #576 CH Aligned with Switzerland80% #15 GE · #932 CH SVP strongholds13.7% #38 GE · #2024 CH SP strongholds14.7% #21 GE · #977 CH Centre strongholds17.2% #2 GE · #686 CH FDP strongholds15.8% #29 GE · #758 CH GLP strongholds5.5% #38 GE · #1096 CH Green strongholds16.1% #12 GE · #88 CH Largest by area5 km² #22 GE · #1551 CH Highest municipalities470 m #2 GE · #1389 CH Remotest municipalities39 min #16 GE · #1902 CH Best-connected municipalities39 min #29 GE · #221 CH Highest peaks500 m #6 GE · #1881 CH Highest-lying municipalities469 m #2 GE · #1602 CH Greatest vertical range84 m #18 GE · #1918 CH Steepest municipalities2.6° #16 GE · #1949 CH Solar potential19 GWh #25 GE · #1047 CH Cheapest electricity24.88 Rp./kWh #5 GE · #245 CH Most expensive electricity24.88 Rp./kWh #6 GE · #1827 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

La Croix-de-Rozon1257 Perly1258

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 much tax do you pay in Bardonnex?: A single person without children pays about 15'290 CHF income tax in Bardonnex on 100'000 CHF gross income (federal, cantonal, municipal), rank 24 of 45 in canton GE. Source: ESTV (2026).
How many residents does Bardonnex have?: Bardonnex has 2'528 residents (2025).
How many foreign residents live in Bardonnex?: Bardonnex has 648 foreign residents, a share of 25.63% (2025).

Map

OpenStreetMap

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