Cologny: population and statistics
Cologny has a population of 6,147 (2025) across 3.7 km², or 1,680 people per km². It ranks 332 of 2,115 municipalities by population. Its population is growing: +11.8% between 2015 and 2025.
- 6,147 residents
- 3.7 km²
- 1,680 people/km²
- 457 m
Key points
Among the 45 municipalities in Geneva, Cologny ranks No. 16 by population.
Share of jobs in services: 97.4% in Cologny, compared with an average of 86.4% in Geneva and 73.4% nationally.
Wood heating systems: 0.8% in Cologny, compared with an average of 1.5% in Geneva and 9.3% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,292 kWh a year here.
Cologny in numbers
Where is Cologny?
Population of Cologny over time
Cologny had 5,500 residents in 2015 and 6,147 in 2025.
| Year | Population |
|---|---|
| 2020 | 5,866 |
| 2021 | 5,913 |
| 2022 | 5,970 |
| 2023 | 6,024 |
| 2024 | 6,027 |
| 2025 | 6,147 |
Did you know?
- Number 1 in Geneva for “Share of limited companies (AG, GmbH) among registered entities”.
- “Share of jobs in services”: higher than in 99% of municipalities.
- “Wood heating systems”: lower than in 99% of municipalities.
- “Share of limited companies (AG, GmbH) among registered entities”: higher than in 97% of municipalities.
- Its area is roughly equal to 513 football pitches.
- Its population density is 7.2 times the national average.
- The nearest municipality is Vandoeuvres, 1.3 km away.
All indicators for Cologny
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 21.0% | 16.7% | 20.7% | ranked 851 of 1,811 |
Housing
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,803 | 256,816 | 4,927,050 | ranked 406 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 11.0% | 20.4% | 23.3% | ranked 1,562 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 32.5% | 20.5% | 25.3% | ranked 450 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 78.2% | 43.2% | 69.5% | ranked 328 of 1,806 |
Energy
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 85.4% | 80.7% | 53.5% | ranked 29 of 1,806 | |
| Heat pumps as main heating (2026) | 7.1% | 4.2% | 13.7% | ranked 1,496 of 1,806 | |
| Wood heating systems (2026) | 0.8% | 1.5% | 12.4% | ranked 1,787 of 1,806 | |
| District heating (2026) | 1.1% | 9.2% | 1.4% | ranked 999 of 1,806 | |
| Photovoltaic installations (2026) | 147 | 8,437 | 329,600 | ranked 745 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 372.2 kW | 319.8 kW | 1,134 kW | ranked 1,747 of 1,806 | |
| Rooftop solar electricity potential (2026) | 36.8 GWh/year | 2,053 GWh/year | 64,783 GWh/year | ranked 530 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 5,990 kWh/inh. | 3,823 kWh/inh. | 9,356 kWh/inh. | ranked 1,542 of 1,810 |
Economy
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 313 | 46,510 | 728,011 | ranked 486 of 2,112 | |
| Entities listed in the commercial register (2026) | 482 | 54,549 | 762,757 | ranked 304 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 78.4 | 101.6 | 64.9 | ranked 486 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 80.1% | 71.9% | 65.7% | ranked 58 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 17.4% | 22.8% | 29.0% | ranked 1,700 of 1,808 |
Employment
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,526 | 401,982 | 5,679,518 | ranked 386 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 410.9 | 748.4 | 362.9 | ranked 731 of 1,810 | |
| Share of jobs in services (2024) | 97.4% | 86.4% | 63.6% | ranked 5 of 1,804 | |
| Share of jobs in industry and construction (2024) | 2.1% | 12.7% | 24.2% | ranked 1,767 of 1,776 |
Society
| Indicator | Cologny | Geneva | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 36.8% | 41.9% | 18.9% | ranked 115 of 1,811 |
Sunshine and temperatures: Cologny
Frequently asked questions
What is the population of Cologny?
Cologny has 6,147 residents (2025), ranking 332 of 2,115 municipalities.
How big is Cologny?
Cologny covers 3.7 km², with a density of 1,680 people per km².
Is the population of Cologny growing?
Between 2015 and 2025, the population of Cologny went from 5,500 to 6,147, a change of +11.8%.
Where is Cologny?
Cologny is in Geneva. It belongs to Canton de Genève (district). Latitude 46.217, longitude 6.183.
Share of jobs in services: what is the figure for Cologny?
In Cologny, “Share of jobs in services” stands at 97.4% (2024), ranking 5 of 1,804 municipalities; the national median is 63.6%.
Wood heating systems: what is the figure for Cologny?
In Cologny, “Wood heating systems” stands at 0.8% (2026), ranking 1,787 of 1,806 municipalities; the national median is 12.4%.
How much electricity does a solar panel produce in Cologny?
In Cologny, a 1 kWp south-facing system tilted at 38° produces about 1,292 kWh a year.
Which municipalities border Cologny?
The nearest to Cologny are Vandoeuvres (1.3 km), Chêne-Bourg (2.4 km), Geneva (3.2 km), Thônex (3.2 km), Choulex (3.3 km).