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 much tax do you pay in Troinex?

A single person without children pays about 15'056 CHF income tax in Troinex on 100'000 CHF gross income (federal, cantonal, municipal), rank 15 of 45 in canton GE. Source: ESTV (2026).

How many residents does Troinex have?

Troinex has 3'358 residents (2025).

How many foreign residents live in Troinex?

Troinex has 788 foreign residents, a share of 23.47% (2025).

Switzerland · Canton GE

Troinex

1256

GE CANTON1256

Residents

3'358

Area

3.4 km²

Population density

979 pop./km²

Elevation

425 m a.s.l.

Tax multiplier

40%

Postal codes

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

Demographics

BFS · 2025

Women

1'701 50.7%

Men

1'657 49.3%

Children & youth (0–19)

773 23.0%

Swiss citizens

2'570 76.5%

Foreign residents

788 23.5%

Population density

979 pop./km²

0–19 · 773 · 23.0%20–64 · 2'040 · 60.8%65+ · 545 · 16.2%

Foreign residents 23.5%0%64.0%

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

Vote results for Troinex

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

30.0% YesNo 70.0%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

69.8% YesNo 30.2%

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

39.9% YesNo 60.1%

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

29.8% YesNo 70.2%

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

28.8% YesNo 71.2%

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

81.3% YesNo 18.7%

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

46.9% YesNo 53.1%

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

22.4% YesNo 77.6%

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

14.5% YesNo 85.5%

All federal votes →

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

Politics

National Council election 2023

FDP26.3% · strongest party

FDP26.3%

GRÜNE17.1%

SVP12.8%

GLP12.0%

SP11.6%

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

Taxes 2026

ESTV

Municipal tax multiplier40%

Cantonal tax multiplier147.5%

40%GE range 25%51%

Tax rank 15 of 45 in canton Geneva

Tax burden

Single, 100'000 CHF gross income

15'056 CHF(15.1%)

Rank 15 of 45 in the canton · 1009 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:15'056 CHF(~15.1%)

TroinexCanton range GenevaSwitzerland median

Show data table

Gross income	Troinex	Geneva	Switzerland median
40'000	5%	4.6–5.3%	5.4%
50'000	7.4%	6.8–7.8%	7.8%
60'000	9.6%	8.8–10.1%	10.5%
70'000	11.3%	10.4–12%	11.9%
80'000	12.7%	11.7–13.4%	13.1%
90'000	13.8%	12.7–14.6%	14.1%
100'000	15.1%	13.9–15.9%	15.3%
110'000	16.2%	14.9–17.1%	16.3%
120'000	17.1%	15.8–18.1%	17.2%
130'000	18%	16.6–18.9%	18.1%
140'000	18.8%	17.4–19.8%	19%
150'000	19.5%	18.1–20.6%	19.7%
175'000	21.3%	19.8–22.4%	21.6%
200'000	22.9%	21.3–24%	23.2%
225'000	24.3%	22.6–25.5%	24.6%
250'000	25.5%	23.8–26.7%	25.8%
275'000	26.5%	24.8–27.8%	26.8%
300'000	27.4%	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 1991–202011.1 °C

Precipitation 1991–2020851 mm

11.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

463 m

Mean elevation

433 m

Relief

57 m

Mean slope

2°

Flat share

96.9%

South-facing

0.0%

Above 2000 m

0.0%

Relief 57 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

35 GWh/yr

Roofs + façades

38.6 GWh/yr

≈ households powered

7'800

35 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

0.99 %

Avg. rooms

3.8

Dwellings

1'410

Built before 194613.4%

Built since 200143.5%

0.99 %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 35 min · Car 20 min

AgglomerationPT 35 min · Car 20 min

Remoteness 22/45 in canton

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

Municipality

Wikidata · CC0

Head of governmentFabrice Calame

Websitetroinex.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities3'358 #21 GE · #657 CH Families & children23% #22 GE · #323 CH Age structure16.2% #35 GE · #1886 CH Women share50.7% #35 GE · #558 CH Foreign residents23.5% #33 GE · #625 CH Population density979/km² #16 GE · #231 CH Tax burden15'056 #18 GE · #1012 CH Taxes40% #15 GE Warmest municipalities11.1 °C #9 GE · #62 CH Sunniest municipalities47.5% #25 GE · #378 CH Rainiest municipalities851 mm #42 GE · #2015 CH Voter turnout61.6% #10 GE · #360 CH Against Switzerland22% #19 GE · #444 CH Aligned with Switzerland78% #23 GE · #1066 CH SVP strongholds12.8% #44 GE · #2050 CH SP strongholds11.6% #37 GE · #1347 CH Centre strongholds9.7% #19 GE · #1230 CH FDP strongholds26.3% #8 GE · #185 CH GLP strongholds12% #2 GE · #152 CH Green strongholds17.1% #6 GE · #60 CH Largest by area3.4 km² #36 GE · #1818 CH Highest municipalities425 m #25 GE · #1745 CH Remotest municipalities35 min #22 GE · #1957 CH Best-connected municipalities35 min #25 GE · #166 CH Highest peaks463 m #23 GE · #1999 CH Highest-lying municipalities433 m #11 GE · #1841 CH Greatest vertical range57 m #31 GE · #2018 CH Steepest municipalities2° #28 GE · #2007 CH Solar potential35 GWh #17 GE · #568 CH Cheapest electricity24.88 Rp./kWh #40 GE · #280 CH Most expensive electricity24.88 Rp./kWh #41 GE · #1862 CH

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 much tax do you pay in Troinex?: A single person without children pays about 15'056 CHF income tax in Troinex on 100'000 CHF gross income (federal, cantonal, municipal), rank 15 of 45 in canton GE. Source: ESTV (2026).
How many residents does Troinex have?: Troinex has 3'358 residents (2025).
How many foreign residents live in Troinex?: Troinex has 788 foreign residents, a share of 23.47% (2025).

Map

OpenStreetMap

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