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Municipal profile

Coat of arms of Cologny

Cologny

Canton: Geneva (GE)

Civiora Index

Derived from official data

61/100

Above the median

National rank: 711 / 2’110 · Top 34% nationally

Taxes74/100
Premiums5/100
Electricity85/100
Housing37/100
PT service97/100

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

Median altitude430 m
Area3.7 km²
Postcode1222
FSO no.6617
DistrictCanton de Genève
Tax burden11.7 %Single, CHF 80’000 · 2026 less than 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
Population6’147+4.8 % over 5 years (2020–2025) in line with SwitzerlandSwiss median: +4.4 %
Vacancy rate0.54 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops21No 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 Cologny pays 11.7% of their gross income in tax, or about CHF 9’340 a year. That is CHF 1’140 less than in the median Swiss municipality.

ColognySwiss median
Single, CHF 80’000 approx. 9’340 CHF/year1’140 CHF/year less
11.7 %
13.1 %
Single, CHF 120’000 approx. 19’010 CHF/year1’690 CHF/year less
15.8 %
17.2 %
Married couple, CHF 120’000 approx. 11’500 CHF/year1’970 CHF/year less
9.6 %
11.2 %
Family, 2 children, CHF 150’000 approx. 10’960 CHF/year3’940 CHF/year less
7.3 %
9.9 %
Retiree, CHF 80’000 approx. 11’260 CHF/year1’720 CHF/year less
14.1 %
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 Cologny 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 Cologny 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

Cologny has 6’147 inhabitants at the end of 2025, 4.8% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

6’147 inhabitants

Density: 1’675 inhab./km² · 2025

+2.0 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 23.4 %20–64 years 55.6 %65 and over 21.0 %

About 1 resident in 4 is under 20, and 1 in 5 is 65 or over. About 4 in 10 residents (36.8%) hold 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, 0.54% of homes in Cologny were vacant, about 1 in 185 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings1501.06.2026
Housing stock (2024)2’766

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

Cologny has 21 public transport stops. On an ordinary Tuesday, 3’335 departures are scheduled across all stops, 474 of them after 8 pm.

Public transport stops21No rail stop (bus/other)
Departures on a typical Tuesday3’335of which evening (from 8 pm): 474 (14 %)
Departures on a typical Sunday2’12164 % of the typical Tuesday
Public transport stops / 1’0003.42Swiss 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

Cologny’s territory is 78.0% built-up, 17.7% farmland and 4.1% forest (survey 2004/2009).

Built-up 78.0 %Farmland 17.7 %Forest 4.1 %Other (water, rock…) 0.3 %
Jobs2’092reference year 2018
Social assistance rate1.9 %reference year 2019

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