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Municipal profile

Coat of arms of Collex-Bossy

Collex-Bossy

Canton: Geneva (GE)

Civiora Index

Derived from official data

51/100

Above the median

National rank: 1’198 / 2’110

Taxes55/100
Premiums5/100
Electricity85/100
Housing39/100
PT service75/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude437 m
Area6.9 km²
Postcode1239
FSO no.6615
DistrictCanton de Genève
Tax burden13.1 %Single, CHF 80’000 · 2026 in line with SwitzerlandSwiss median: 13.1 %
Electricity price24.4 ct./kWhH4 · 2027 less than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums771 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population1’673−0.8 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.58 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops9No rail stop (bus/other)

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Collex-Bossy pays 13.1% of their gross income in tax, or about CHF 10’480 a year. That is close to the median Swiss municipality.

Collex-BossySwiss median
Single, CHF 80’000 approx. 10’480 CHF/year
13.1 %
13.1 %
Single, CHF 120’000 approx. 21’180 CHF/year480 CHF/year more
17.6 %
17.2 %
Married couple, CHF 120’000 approx. 12’820 CHF/year650 CHF/year less
10.7 %
11.2 %
Family, 2 children, CHF 150’000 approx. 12’210 CHF/year2’700 CHF/year less
8.1 %
9.9 %
Retiree, CHF 80’000 approx. 12’620 CHF/year370 CHF/year less
15.8 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Collex-Bossy pays 24.43 ct. per kWh, or about CHF 1’100 a year. That is CHF 112 a year less than in the median Swiss municipality.

24.43 ct./kWh

less than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 9.32Grid (delivery to the meter) 9.78Levies and surcharge (public charges and levies) 5.33ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Collex-Bossy pays a median CHF 771 a month for basic health insurance, or about CHF 9’250 a year (CHF 300 deductible, accident cover included). That is CHF 172 a month more than the Swiss median (CHF 599).

771 CHF/month

more than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 21 offers in premium region GE-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult610.60 CHF/monthapprox. 7’330 CHF/year
19–25 years453.00 CHF/monthapprox. 5’440 CHF/year
Child157.70 CHF/monthapprox. 1’890 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Collex-Bossy has 1’673 inhabitants at the end of 2025, 0.8% fewer than five years ago (Swiss median: +4.4%).

Population change 2010–2025

1’673 inhabitants

Density: 243 inhab./km² · 2025

+0.4 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 24.8 %20–64 years 57.1 %65 and over 18.1 %

About 1 resident in 4 is under 20, and 1 in 6 is 65 or over. About 1 resident in 3 (32.3%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 0.58% of homes in Collex-Bossy were vacant, about 1 in 172 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings401.06.2026
Housing stock (2024)679

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Collex-Bossy has 9 public transport stops. On an ordinary Tuesday, 1’418 departures are scheduled across all stops, 246 of them after 8 pm.

Public transport stops9No rail stop (bus/other)
Departures on a typical Tuesday1’418of which evening (from 8 pm): 246 (17 %)
Departures on a typical Sunday72551 % of the typical Tuesday
Public transport stops / 1’0005.38Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Collex-Bossy’s territory is 10.2% built-up, 64.4% farmland and 24.9% forest (survey 2004/2009).

Built-up 10.2 %Farmland 64.4 %Forest 24.9 %Other (water, rock…) 0.4 %
Jobs208reference year 2018
Establishments88reference year 2018
Social assistance rate0.8 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source

Neighbouring municipalities

Versoix GE14’060Bellevue GE4’111