Location map: Collex-Bossy
Municipality · Canton de Genève · Geneva

Collex-Bossy: population and statistics

Collex-Bossy has a population of 1,673 (2025) across 6.9 km², or 243 people per km². It ranks 1,084 of 2,115 municipalities by population. Its population is growing: +0.5% between 2015 and 2025.

  • 1,673 residents
  • 6.9 km²
  • 243 people/km²
  • 432 m

Key points

Among the 45 municipalities in Geneva, Collex-Bossy ranks No. 32 by population.

Installed photovoltaic capacity per 1,000 inhabitants: 479.9 kW in Collex-Bossy, compared with an average of 319.8 kW in Geneva and 919.4 kW nationally.

Jobs per 1,000 inhabitants: 171.5 in Collex-Bossy, compared with an average of 748.4 in Geneva and 622.5 nationally.

A 1 kWp solar panel tilted at 38° generates about 1,281 kWh a year here.

Collex-Bossy in numbers

Population
1,673
ranked 1,084 of 2,115
+0.5%over 10 years
2015–2025
Population density
243people/km²
ranked 941 of 1,806
Area
6.9km²
ranked 1,226 of 2,110
Elevation
432m
ranked 1,633 of 2,114
Installed photovoltaic capacity per 1,000 inhabitants
479.9kW
ranked 1,686 of 1,806
Jobs per 1,000 inhabitants
171.5
ranked 1,656 of 1,810
Share of foreign nationals
32.3%
ranked 216 of 1,811
Share of sole proprietorships among registered entities
37.9%
ranked 241 of 1,808

Where is Collex-Bossy?

Population of Collex-Bossy over time

1,6601,6801,7001,7201,740201520172019202120232025
Population, 2015–2025

Collex-Bossy had 1,665 residents in 2015 and 1,673 in 2025.

YearPopulation
20201,686
20211,704
20221,727
20231,685
20241,666
20251,673

Did you know?

All indicators for Collex-Bossy

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.

Collex-BossyNational medianHover over or tap a bar to see what it shows.

Population

IndicatorCollex-BossyGenevaNationalPosition?Rank
Share of people aged 65 and over (2025)18.1%16.7%20.7%ranked 1,382 of 1,811

Housing

IndicatorCollex-BossyGenevaNationalPosition?Rank
Dwellings (2026)701256,8164,927,050ranked 1,276 of 2,108
Dwellings in buildings built before 1946 (2026)25.4%20.4%23.3%ranked 784 of 1,806
Dwellings in buildings built since 2001 (2026)23.7%20.5%25.3%ranked 999 of 1,806
Share of single-family houses among residential buildings (2026)75.1%43.2%69.5%ranked 533 of 1,806

Energy

IndicatorCollex-BossyGenevaNationalPosition?Rank
Oil or gas heating systems (2026)69.0%80.7%53.5%ranked 389 of 1,806
Heat pumps as main heating (2026)9.2%4.2%13.7%ranked 1,306 of 1,806
Wood heating systems (2026)9.2%1.5%12.4%ranked 1,112 of 1,806
District heating (2026)0.3%9.2%1.4%ranked 1,395 of 1,806
Photovoltaic installations (2026)768,437329,600ranked 1,292 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)479.9 kW319.8 kW1,134 kWranked 1,686 of 1,806
Rooftop solar electricity potential (2026)12.3 GWh/year2,053 GWh/year64,783 GWh/yearranked 1,398 of 2,114
Rooftop solar potential per inhabitant (2026)7,358 kWh/inh.3,823 kWh/inh.9,356 kWh/inh.ranked 1,316 of 1,810

Economy

IndicatorCollex-BossyGenevaNationalPosition?Rank
Establishments (2024)10046,510728,011ranked 1,256 of 2,112
Entities listed in the commercial register (2026)10354,549762,757ranked 1,138 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)61.6101.664.9ranked 1,036 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)61.2%71.9%65.7%ranked 1,286 of 1,808
Share of sole proprietorships among registered entities (2026)37.9%22.8%29.0%ranked 241 of 1,808

Employment

IndicatorCollex-BossyGenevaNationalPosition?Rank
Jobs (2024)287401,9825,679,518ranked 1,442 of 2,111
Jobs per 1,000 inhabitants (2024)171.5748.4362.9ranked 1,656 of 1,810
Share of jobs in services (2024)66.2%86.4%63.6%ranked 800 of 1,804
Share of jobs in industry and construction (2024)10.1%12.7%24.2%ranked 1,539 of 1,776

Society

IndicatorCollex-BossyGenevaNationalPosition?Rank
Share of foreign nationals (2025)32.3%41.9%18.9%ranked 216 of 1,811

Sunshine and temperatures: Collex-Bossy

Annual solar output
1,281kWh
for 1 kWp tilted at 38°
Warmest month
20.1°C
July
Coldest month
1.0°C
January
Most productive month
146kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Collex-Bossy?

Collex-Bossy has 1,673 residents (2025), ranking 1,084 of 2,115 municipalities.

How big is Collex-Bossy?

Collex-Bossy covers 6.9 km², with a density of 243 people per km².

Is the population of Collex-Bossy growing?

Between 2015 and 2025, the population of Collex-Bossy went from 1,665 to 1,673, a change of +0.5%.

Where is Collex-Bossy?

Collex-Bossy is in Geneva. It belongs to Canton de Genève (district). Latitude 46.267, longitude 6.117.

Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Collex-Bossy?

In Collex-Bossy, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 479.9 kW (2026), ranking 1,686 of 1,806 municipalities; the national median is 1,134 kW.

Jobs per 1,000 inhabitants: what is the figure for Collex-Bossy?

In Collex-Bossy, “Jobs per 1,000 inhabitants” stands at 171.5 (2024), ranking 1,656 of 1,810 municipalities; the national median is 362.9.

How much electricity does a solar panel produce in Collex-Bossy?

In Collex-Bossy, a 1 kWp south-facing system tilted at 38° produces about 1,281 kWh a year.

Which municipalities border Collex-Bossy?

The nearest to Collex-Bossy are Genthod (2.6 km), Bellevue (3.2 km), Pregny-Chambésy (3.4 km), Le Grand-Saconnex (3.7 km), Versoix (4.3 km).