Postcode area · Le Grand-Saconnex · Geneva

1218 Le Grand-Saconnex (Le Grand-Saconnex): key figures

1218 Le Grand-Saconnex (postcode area in Le Grand-Saconnex) has 12,745 residents in 2025 across 2.9 km², or 4,335 people per km². Population: +5.5% between 2015 and 2025.

  • 12,745 residents
  • 2.9 km²
  • 4,335 people/km²

1218 Le Grand-Saconnex in numbers

Population
12,745
ranked 144 of 2,275
+5.5%between 2015 and 2025
2015–2025
Population density
4,335people/km²
ranked 59 of 2,275
Area
2.9km²
ranked 2,738 of 3,168
Share of foreign nationals
44.1%
ranked 69 of 2,040
Dwellings
5,541
ranked 193 of 3,164
Residential buildings
1,129
ranked 356 of 3,160
Dwellings in buildings built before 1946
7.2%
ranked 3,024 of 3,164

Key points

Nationally, 1218 Le Grand-Saconnex ranks No. 144 of 2,275 postcode areas.

Population of 1218 Le Grand-Saconnex over time

12,00012,20012,40012,60012,80013,0002015202020232025
Population, 2015–2025

1218 Le Grand-Saconnex had 12,080 residents in 2015 and 12,745 in 2025.

YearPopulation
201512,080
202012,375
202312,837
202512,745

All indicators for 1218 Le Grand-Saconnex

Next to the value for 1218 Le Grand-Saconnex: all postcode areas of Le Grand-Saconnex, then of the whole country (totals for counts, weighted averages for rates).

1218 Le Grand-SaconnexNational medianHover over or tap a bar to see what it shows.

Housing

Indicator1218 Le Grand-SaconnexLe Grand-SaconnexSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)5,541––ranked 193 of 3,164
Residential buildings (2026)1,129––ranked 356 of 3,160
Dwellings in buildings built before 1946 (2026)7.2%7.2%23.2%ranked 3,024 of 3,164
Dwellings in buildings built since 2001 (2026)30.2%30.2%23.6%ranked 804 of 3,164
Share of detached houses among residential buildings (2026)68.3%68.3%63.5%ranked 1,740 of 3,160

Energy

Indicator1218 Le Grand-SaconnexLe Grand-SaconnexSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)76.2%76.2%56.2%ranked 271 of 3,160
Heat pumps as main heating (2026)5.4%5.4%16.2%ranked 2,644 of 3,160
Wood heating systems (2026)2.3%2.3%13.5%ranked 2,904 of 3,160
District heating (2026)9.8%9.8%5.6%ranked 371 of 3,160

Society

Indicator1218 Le Grand-SaconnexLe Grand-SaconnexSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)44.1%44.1%29.8%ranked 69 of 2,040

Where is 1218 Le Grand-Saconnex?

Frequently asked questions

What is the population of 1218 Le Grand-Saconnex (Le Grand-Saconnex)?

1218 Le Grand-Saconnex has 12,745 residents in 2025. It covers 2.9 km², or 4,335 people per km².

Where is 1218 Le Grand-Saconnex?

1218 Le Grand-Saconnex (postcode area) is part of Le Grand-Saconnex, in Geneva.

What is the value of “Share of foreign nationals” in 1218 Le Grand-Saconnex?

Share of foreign nationals: 44.1% (2025), ranked 69 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 1218 Le Grand-Saconnex?

Dwellings: 5,541 (2026), ranked 193 of 3,164 postcode areas in the country.