Switzerland · Canton GE
Cologny
1223GE CANTON1223
Residents
6'024
Area
7.4 km²
Tax multiplier
25%
Postal codes
1
Demographics
BFS · 2023Women
3'197 53.1%
Men
2'827 46.9%
Children & youth (0–19)
1'401 23.3%
Swiss citizens
3'864 64.1%
Foreign residents
2'163 35.9%
0–19 · 1'401 · 23.3%20–64 · 3'371 · 56.0%65+ · 1'252 · 20.8%
Foreign residents 35.9%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 60.5%59.0% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 60.5%35.1% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 55.5%68.2% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 55.5%26.0% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023FDP40.5% · strongest party
FDP40.5%
SVP19.4%
Mitte8.3%
SP8.2%
GRÜNE7.2%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier25%
Cantonal tax multiplier147.5%
25%CH range 25%525%
Tax rank 2 of 45 in canton GenevaSource: ESTV · retrieved 20.07.2026
Climate
Genève / Cointrin · 4.9 kmAnnual mean temperature 202511.9 °C
Precipitation 2025921 mm
11.9 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Head of governmentAlexandre Bodmer
Websitecologny.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (1)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Cologny?
- The postal code of Cologny is 1223.
- What is the tax rate in Cologny?
- The municipal tax multiplier of Cologny is 25% (2026); canton GE levies 147.5%.
- How many residents does Cologny have?
- Cologny has 6'024 residents (2023).
- Which canton is Cologny in?
- Cologny is located in canton GE.