Postcode area · Collonge-Bellerive · Geneva

1245 Collonge-Bellerive (Collonge-Bellerive): key figures

1245 Collonge-Bellerive (postcode area in Collonge-Bellerive) has 2,866 residents in 2025 across 5.5 km², or 526 people per km². By population, 1245 Collonge-Bellerive ranks No. 2 of 2 postcode areas in Collonge-Bellerive. Population: +2.6% between 2015 and 2025.

  • 2,866 residents
  • 5.5 km²
  • 526 people/km²

1245 Collonge-Bellerive in numbers

Population
2,866
ranked 806 of 2,275
+2.6%between 2015 and 2025
2015–2025
Population density
526people/km²
ranked 683 of 2,275
Area
5.5km²
ranked 2,046 of 3,168
Share of foreign nationals
30.4%
ranked 441 of 2,040
Dwellings
1,193
ranked 1,009 of 3,164
Residential buildings
740
ranked 736 of 3,160
Dwellings in buildings built before 1946
12.0%
ranked 2,758 of 3,164

Key points

By population, 1245 Collonge-Bellerive ranks No. 2 of 2 postcode areas in Collonge-Bellerive.

Nationally, 1245 Collonge-Bellerive ranks No. 806 of 2,275 postcode areas.

Population of 1245 Collonge-Bellerive over time

2,7502,8002,8502,9002,9502015202020232025
Population, 2015–2025

1245 Collonge-Bellerive had 2,794 residents in 2015 and 2,866 in 2025.

YearPopulation
20152,794
20202,853
20232,930
20252,866

All indicators for 1245 Collonge-Bellerive

Next to the value for 1245 Collonge-Bellerive: all postcode areas of Collonge-Bellerive, then of the whole country (totals for counts, weighted averages for rates).

1245 Collonge-BelleriveNational medianHover over or tap a bar to see what it shows.

Housing

Indicator1245 Collonge-BelleriveCollonge-BelleriveSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)1,193––ranked 2 of 2ranked 1,009 of 3,164
Residential buildings (2026)740––ranked 2 of 2ranked 736 of 3,160
Dwellings in buildings built before 1946 (2026)12.0%12.4%23.2%ranked 2 of 2ranked 2,758 of 3,164
Dwellings in buildings built since 2001 (2026)22.7%35.8%23.6%ranked 2 of 2ranked 1,452 of 3,164
Share of detached houses among residential buildings (2026)84.5%85.9%63.5%ranked 2 of 2ranked 236 of 3,160

Energy

Indicator1245 Collonge-BelleriveCollonge-BelleriveSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)81.8%80.0%56.2%ranked 1 of 2ranked 125 of 3,160
Heat pumps as main heating (2026)8.5%9.7%16.2%ranked 2 of 2ranked 2,175 of 3,160
Wood heating systems (2026)1.7%1.1%13.5%ranked 1 of 2ranked 2,985 of 3,160
District heating (2026)2.2%1.9%5.6%ranked 1 of 2ranked 1,061 of 3,160

Society

Indicator1245 Collonge-BelleriveCollonge-BelleriveSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)30.4%29.9%29.8%ranked 1 of 2ranked 441 of 2,040

Where is 1245 Collonge-Bellerive?

Frequently asked questions

What is the population of 1245 Collonge-Bellerive (Collonge-Bellerive)?

1245 Collonge-Bellerive has 2,866 residents in 2025. It covers 5.5 km², or 526 people per km².

Where is 1245 Collonge-Bellerive?

1245 Collonge-Bellerive (postcode area) is part of Collonge-Bellerive, in Geneva.

What is the value of “Share of foreign nationals” in 1245 Collonge-Bellerive?

Share of foreign nationals: 30.4% (2025), ranked 441 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 1245 Collonge-Bellerive?

Dwellings: 1,193 (2026), ranked 1,009 of 3,164 postcode areas in the country.