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Demographics

BFS · 2025
Women
7'270 51.7%
Men
6'790 48.3%
Children & youth (0–19)
3'605 25.6%
Swiss citizens
7'881 56.1%
Foreign residents
6'179 44.0%
Population density
928 pop./km²
0–19 · 3'605 · 25.6%20–64 · 8'076 · 57.4%65+ · 2'379 · 16.9%
Foreign residents 44.0%0%64.0%
Population change 2025: +64 (+0.5%) · 90 births · 118 deaths · net migration +136
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
35.9% YesNo 64.1%
27.09.2026Loi 13579 indemnité à la Haute école spécialisée de Suisse occidentale – GenèveCantonal GE● Rejected · 41.5% Yes
41.9% YesNo 58.1%
27.09.2026Loi 13725 crédit de 39 500 000 francs pour la réalisation de projets transfrontaliersCantonal GE● Accepted · 56.8% Yes
52.7% YesNo 47.3%
27.09.2026IN 198 « Pour une contraception gratuite »Cantonal GE● Accepted · 58.5% Yes
57.1% YesNo 43.0%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% Yes
46.5% YesNo 53.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% Yes
37.3% YesNo 62.7%
14.06.2026Loi sur les heures d'ouverture des magasins (LHOM) (Ouverture du dimanche)Cantonal GE● Accepted · 52.8% Yes
53.3% YesNo 46.7%
14.06.2026Loi pour une expression non ostentatoire des convictions religieusesCantonal GE● Accepted · 51.4% Yes
52.2% YesNo 47.8%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
GRÜNE17.1% · strongest party
GRÜNE17.1%
SP16.9%
FDP15.1%
SVP15.1%
MCR14.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier45.5%
Cantonal tax multiplier147.5%
45.5%GE range 25%51%
Tax rank 31 of 45 in canton Geneva
Tax burden
Single, 100'000 CHF gross income
15'485 CHF(15.5%)
Rank 31 of 45 in the canton · 1093 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:15'485 CHF(~15.5%)
VersoixCanton range GenevaSwitzerland median
Show data table
Gross incomeVersoixGenevaSwitzerland median
40'0005.1%4.6–5.3%5.4%
50'0007.6%6.8–7.8%7.8%
60'0009.8%8.8–10.1%10.5%
70'00011.6%10.4–12%11.9%
80'00013.1%11.7–13.4%13.1%
90'00014.2%12.7–14.6%14.1%
100'00015.5%13.9–15.9%15.3%
110'00016.6%14.9–17.1%16.3%
120'00017.6%15.8–18.1%17.2%
130'00018.5%16.6–18.9%18.1%
140'00019.3%17.4–19.8%19%
150'00020%18.1–20.6%19.7%
175'00021.9%19.8–22.4%21.6%
200'00023.4%21.3–24%23.2%
225'00024.9%22.6–25.5%24.6%
250'00026.1%23.8–26.7%25.8%
275'00027.1%24.8–27.8%26.8%
300'00028%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 1991–202010.9 °C
Precipitation 1991–2020958 mm
10.9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
471 m
Mean elevation
408 m
Relief
99 m
Mean slope
1.8°
Flat share
92.4%
South-facing
2.4%
Above 2000 m
0.0%
Relief 99 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
45.1 GWh/yr
Roofs + façades
59.8 GWh/yr
≈ households powered
10'000
Per inhabitant
3'204 kWh/yr
45 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
0.52 %
Second homes
11.5 %
Avg. rooms
3.5
Dwellings
5'539
Built before 194612.5%
Built since 200118.0%
0.52 %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
4'712
Workplaces
838
Services share
89 %
Jobs by sector: Primary 31 (0.7%) · Secondary 487 (10.3%) · Tertiary 4'194 (89.0%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
9
Organic share
11.1 %
Farmland
281 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 34 min · Car 24 min
AgglomerationPT 34 min · Car 24 min
Remoteness 25/45 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number6644
Head of governmentJulien Marquis · FDP.Die Liberalen
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities14'060 #9 GE · #104 CHGrowing municipalities0.5% #28 GE · #1127 CHShrinking municipalities0.5% #18 GE · #986 CHJobs per resident0.34 #20 GE · #1113 CHFamilies & children25.6% #3 GE · #54 CHAge structure16.9% #32 GE · #1802 CHWomen share51.7% #18 GE · #200 CHForeign residents44% #6 GE · #47 CHPopulation density928/km² #17 GE · #255 CHTax burden15'485 #31 GE · #1093 CHTaxes45.5% #31 GEWarmest municipalities10.9 °C #36 GE · #124 CHSunniest municipalities47.4% #27 GE · #396 CHRainiest municipalities958 mm #4 GE · #1796 CHVoter turnout49.1% #40 GE · #1854 CHAgainst Switzerland23.5% #11 GE · #323 CHAligned with Switzerland76.5% #31 GE · #1168 CHSVP strongholds15.1% #34 GE · #1993 CHSP strongholds16.9% #11 GE · #758 CHCentre strongholds8.7% #28 GE · #1352 CHFDP strongholds15.1% #32 GE · #817 CHGLP strongholds6.5% #27 GE · #871 CHGreen strongholds17.1% #7 GE · #62 CHLargest by area15.2 km² #3 GE · #637 CHHighest municipalities434 m #17 GE · #1675 CHSecond homes11.5% #33 GE · #979 CHOrganic farming11.1% #32 GE · #1165 CHBest-connected municipalities34 min #23 GE · #153 CHRemotest municipalities34 min #25 GE · #1981 CHHighest peaks471 m #17 GE · #1977 CHHighest-lying municipalities408 m #29 GE · #1951 CHGreatest vertical range99 m #10 GE · #1844 CHSteepest municipalities1.8° #34 GE · #2025 CHSolar potential45 GWh #14 GE · #390 CHSolar potential per capita3'204 kWh #40 GE · #2089 CHCheapest electricity24.43 Rp./kWh #43 GE · #321 CHMost expensive electricity24.43 Rp./kWh #44 GE · #1827 CH

Localities

swisstopo · 1
What is the postal code of Versoix?
The postal code of Versoix is 1290.
What is the tax rate in Versoix?
The municipal tax multiplier of Versoix is 45.5% (2026); canton GE levies 147.5%.
How much tax do you pay in Versoix?
A single person without children pays about 15'485 CHF income tax in Versoix on 100'000 CHF gross income (federal, cantonal, municipal), rank 31 of 45 in canton GE. Source: ESTV (2026).
How many residents does Versoix have?
Versoix has 14'060 residents (2025).
How many foreign residents live in Versoix?
Versoix has 6'179 foreign residents, a share of 43.95% (2025).

Map

OpenStreetMap