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Demographics

BFS · 2025
Women
4'499 52.0%
Men
4'156 48.0%
Children & youth (0–19)
2'099 24.3%
Swiss citizens
6'143 71.0%
Foreign residents
2'512 29.0%
Population density
810 pop./km²
0–19 · 2'099 · 24.3%20–64 · 4'866 · 56.2%65+ · 1'690 · 19.5%
Foreign residents 29.0%0%64.0%
Population change 2025: +12 (+0.1%) · 59 births · 42 deaths · net migration +2
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
32.5% YesNo 67.5%
27.09.2026Loi 13579 indemnité à la Haute école spécialisée de Suisse occidentale – GenèveCantonal GE● Rejected · 41.5% Yes
58.1% YesNo 41.9%
27.09.2026Loi 13725 crédit de 39 500 000 francs pour la réalisation de projets transfrontaliersCantonal GE● Accepted · 56.8% Yes
59.6% YesNo 40.4%
27.09.2026IN 198 « Pour une contraception gratuite »Cantonal GE● Accepted · 58.5% Yes
47.5% YesNo 52.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% Yes
58.4% YesNo 41.6%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% Yes
35.6% YesNo 64.4%
14.06.2026Loi sur les heures d'ouverture des magasins (LHOM) (Ouverture du dimanche)Cantonal GE● Accepted · 52.8% Yes
70.1% YesNo 29.9%
14.06.2026Loi pour une expression non ostentatoire des convictions religieusesCantonal GE● Accepted · 51.4% Yes
66.8% YesNo 33.2%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
FDP32.3% · strongest party
FDP32.3%
SVP19.1%
Mitte12.6%
GRÜNE9.1%
SP8.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier28%
Cantonal tax multiplier147.5%
28%GE range 25%51%
Tax rank 4 of 45 in canton Geneva
Tax burden
Single, 100'000 CHF gross income
14'119 CHF(14.1%)
Rank 4 of 45 in the canton · 857 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:14'119 CHF(~14.1%)
Collonge-BelleriveCanton range GenevaSwitzerland median
Show data table
Gross incomeCollonge-BelleriveGenevaSwitzerland median
40'0004.7%4.6–5.3%5.4%
50'0006.9%6.8–7.8%7.8%
60'0008.9%8.8–10.1%10.5%
70'00010.6%10.4–12%11.9%
80'00011.9%11.7–13.4%13.1%
90'00012.9%12.7–14.6%14.1%
100'00014.1%13.9–15.9%15.3%
110'00015.2%14.9–17.1%16.3%
120'00016.1%15.8–18.1%17.2%
130'00016.9%16.6–18.9%18.1%
140'00017.7%17.4–19.8%19%
150'00018.4%18.1–20.6%19.7%
175'00020.1%19.8–22.4%21.6%
200'00021.6%21.3–24%23.2%
225'00022.9%22.6–25.5%24.6%
250'00024.1%23.8–26.7%25.8%
275'00025.1%24.8–27.8%26.8%
300'00025.9%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 1991–202011.2 °C
Precipitation 1991–2020874 mm
11.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
473 m
Mean elevation
394 m
Relief
101 m
Mean slope
1.5°
Flat share
94.7%
South-facing
0.0%
Above 2000 m
0.0%
Relief 101 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
61.3 GWh/yr
Roofs + façades
74.3 GWh/yr
≈ households powered
13'600
Per inhabitant
7'086 kWh/yr
61 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
0.54 %
Second homes
16.1 %
Avg. rooms
4.3
Dwellings
3'492
Built before 194612.3%
Built since 200135.3%
0.54 %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
4'787
Workplaces
778
Services share
81.3 %
Jobs by sector: Primary 56 (1.2%) · Secondary 841 (17.6%) · Tertiary 3'890 (81.3%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
9
Organic share
33.3 %
Farmland
67 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 31 min · Car 19 min
AgglomerationPT 31 min · Car 19 min
Remoteness 32/45 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number6616
Head of governmentNorberto Birchler · FDP.Die Liberalen
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities8'655 #15 GE · #230 CHGrowing municipalities0.1% #33 GE · #1333 CHShrinking municipalities0.1% #13 GE · #784 CHJobs per resident0.55 #9 GE · #437 CHFamilies & children24.3% #11 GE · #141 CHAge structure19.5% #16 GE · #1349 CHWomen share52% #14 GE · #148 CHForeign residents29% #23 GE · #347 CHPopulation density810/km² #20 GE · #293 CHTax burden14'119 #4 GE · #857 CHTaxes28% #4 GEWarmest municipalities11.2 °C #3 GE · #43 CHSunniest municipalities47.1% #35 GE · #440 CHRainiest municipalities874 mm #33 GE · #1988 CHVoter turnout60.4% #14 GE · #558 CHAgainst Switzerland12.7% #37 GE · #1088 CHAligned with Switzerland87.3% #2 GE · #418 CHSVP strongholds19.1% #13 GE · #1832 CHSP strongholds8.6% #40 GE · #1647 CHCentre strongholds12.6% #6 GE · #998 CHFDP strongholds32.3% #4 GE · #54 CHGLP strongholds8.4% #12 GE · #524 CHGreen strongholds9.1% #41 GE · #698 CHLargest by area10.7 km² #6 GE · #912 CHHighest municipalities405 m #37 GE · #1871 CHSecond homes16.1% #12 GE · #500 CHOrganic farming33.3% #14 GE · #303 CHBest-connected municipalities31 min #12 GE · #98 CHRemotest municipalities31 min #32 GE · #2024 CHHighest peaks473 m #15 GE · #1975 CHHighest-lying municipalities394 m #38 GE · #1995 CHGreatest vertical range101 m #8 GE · #1836 CHSteepest municipalities1.5° #38 GE · #2050 CHSolar potential61 GWh #12 GE · #229 CHSolar potential per capita7'086 kWh #23 GE · #1662 CHCheapest electricity24.43 Rp./kWh #15 GE · #293 CHMost expensive electricity24.43 Rp./kWh #16 GE · #1799 CH

Localities

swisstopo · 2
What is the postal code of Collonge-Bellerive?
Collonge-Bellerive has 2 postal codes: 1222, 1245.
What is the tax rate in Collonge-Bellerive?
The municipal tax multiplier of Collonge-Bellerive is 28% (2026); canton GE levies 147.5%.
How much tax do you pay in Collonge-Bellerive?
A single person without children pays about 14'119 CHF income tax in Collonge-Bellerive on 100'000 CHF gross income (federal, cantonal, municipal), rank 4 of 45 in canton GE. Source: ESTV (2026).
How many residents does Collonge-Bellerive have?
Collonge-Bellerive has 8'655 residents (2025).
How many foreign residents live in Collonge-Bellerive?
Collonge-Bellerive has 2'512 foreign residents, a share of 29.02% (2025).

Map

OpenStreetMap