Skip to main content

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%
Population change 2025: +213 (+6.8%) · 32 births · 14 deaths · net migration +200
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% Yes
25.7% YesNo 74.3%
27.09.2026Loi 13579 indemnité à la Haute école spécialisée de Suisse occidentale – GenèveCantonal GE● Rejected · 41.5% Yes
50.7% YesNo 49.4%
27.09.2026Loi 13725 crédit de 39 500 000 francs pour la réalisation de projets transfrontaliersCantonal GE● Accepted · 56.8% Yes
64.0% YesNo 36.0%
27.09.2026IN 198 « Pour une contraception gratuite »Cantonal GE● Accepted · 58.5% Yes
57.6% YesNo 42.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% Yes
44.4% YesNo 55.6%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% Yes
30.0% YesNo 70.0%
14.06.2026Loi sur les heures d'ouverture des magasins (LHOM) (Ouverture du dimanche)Cantonal GE● Accepted · 52.8% Yes
62.0% YesNo 38.0%
14.06.2026Loi pour une expression non ostentatoire des convictions religieusesCantonal GE● Accepted · 51.4% Yes
57.5% YesNo 42.5%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

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 25.09.2026
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
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:15'056 CHF(~15.1%)
TroinexCanton range GenevaSwitzerland median
Show data table
Gross incomeTroinexGenevaSwitzerland median
40'0005%4.6–5.3%5.4%
50'0007.4%6.8–7.8%7.8%
60'0009.6%8.8–10.1%10.5%
70'00011.3%10.4–12%11.9%
80'00012.7%11.7–13.4%13.1%
90'00013.8%12.7–14.6%14.1%
100'00015.1%13.9–15.9%15.3%
110'00016.2%14.9–17.1%16.3%
120'00017.1%15.8–18.1%17.2%
130'00018%16.6–18.9%18.1%
140'00018.8%17.4–19.8%19%
150'00019.5%18.1–20.6%19.7%
175'00021.3%19.8–22.4%21.6%
200'00022.9%21.3–24%23.2%
225'00024.3%22.6–25.5%24.6%
250'00025.5%23.8–26.7%25.8%
275'00026.5%24.8–27.8%26.8%
300'00027.4%25.6–28.6%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

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
Roof potential
35 GWh/yr
Roofs + façades
38.6 GWh/yr
≈ households powered
7'800
Per inhabitant
10'414 kWh/yr
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 24.09.2026

Electricity

ElCom · 2027
Tariff H4
24.43 Rp./kWh
Energy
9.33 Rp./kWh
Grid usage
9.78 Rp./kWh
Levies + grid surcharge
3.54 Rp./kWh
24.43 Rp./kWh10.5645.88
Canton median 24.43 Rp./kWhSwiss median 26.53 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.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Standard model, deductible 300752 CHF/mo
Ø premium in canton Geneva539 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Geneva (2024, BAG) — it applies canton-wide, not to any single location.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE
Vacancy rate
0.99 %
Second homes
13.7 %
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 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024
Jobs
744
Workplaces
178
Services share
64.4 %
Jobs by sector: Primary 129 (17.3%) · Secondary 136 (18.3%) · Tertiary 479 (64.4%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
14
Organic share
28.6 %
Farmland
176 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

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 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number6641
Head of governmentFabrice Calame
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities3'358 #21 GE · #657 CHGrowing municipalities6.8% #1 GE · #22 CHShrinking municipalities6.8% #45 GE · #2087 CHJobs per resident0.22 #34 GE · #1709 CHFamilies & children23% #22 GE · #323 CHAge structure16.2% #35 GE · #1886 CHWomen share50.7% #35 GE · #558 CHForeign residents23.5% #33 GE · #625 CHPopulation density979/km² #16 GE · #231 CHTax burden15'056 #18 GE · #1012 CHTaxes40% #15 GEWarmest municipalities11.1 °C #9 GE · #62 CHSunniest municipalities47.5% #25 GE · #378 CHRainiest municipalities851 mm #42 GE · #2015 CHVoter turnout62.4% #9 GE · #388 CHAgainst Switzerland21.6% #19 GE · #444 CHAligned with Switzerland78.4% #23 GE · #1065 CHSVP strongholds12.8% #44 GE · #2054 CHSP strongholds11.6% #37 GE · #1353 CHCentre strongholds9.7% #19 GE · #1234 CHFDP strongholds26.3% #8 GE · #186 CHGLP strongholds12% #2 GE · #152 CHGreen strongholds17.1% #6 GE · #61 CHLargest by area3.4 km² #36 GE · #1818 CHHighest municipalities425 m #25 GE · #1745 CHSecond homes13.7% #23 GE · #704 CHOrganic farming28.6% #16 GE · #372 CHBest-connected municipalities35 min #25 GE · #166 CHRemotest municipalities35 min #22 GE · #1957 CHHighest peaks463 m #23 GE · #1999 CHHighest-lying municipalities433 m #11 GE · #1841 CHGreatest vertical range57 m #31 GE · #2018 CHSteepest municipalities2° #28 GE · #2007 CHSolar potential35 GWh #17 GE · #568 CHSolar potential per capita10'414 kWh #4 GE · #999 CHCheapest electricity24.43 Rp./kWh #40 GE · #318 CHMost expensive electricity24.43 Rp./kWh #41 GE · #1824 CH

Localities

swisstopo · 1
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