Postcode area · Bernex · Geneva

1233 Bernex (Bernex): key figures

1233 Bernex (postcode area in Bernex) has 10,912 residents in 2025 across 12.7 km², or 856 people per km². Population: +11.7% between 2015 and 2025.

  • 10,912 residents
  • 12.7 km²
  • 856 people/km²

1233 Bernex in numbers

Population
10,912
ranked 190 of 2,275
+11.7%between 2015 and 2025
2015–2025
Population density
856people/km²
ranked 432 of 2,275
Area
12.7km²
ranked 852 of 3,168
Share of foreign nationals
23.6%
ranked 828 of 2,040
Dwellings
4,795
ranked 238 of 3,164
Residential buildings
1,613
ranked 170 of 3,160
Dwellings in buildings built before 1946
8.5%
ranked 2,964 of 3,164

Key points

Nationally, 1233 Bernex ranks No. 190 of 2,275 postcode areas.

Population of 1233 Bernex over time

9,50010,00010,50011,0002015202020232025
Population, 2015–2025

1233 Bernex had 9,771 residents in 2015 and 10,912 in 2025.

YearPopulation
20159,771
202010,054
202310,667
202510,912

All indicators for 1233 Bernex

Next to the value for 1233 Bernex: all postcode areas of Bernex, then of the whole country (totals for counts, weighted averages for rates).

1233 BernexNational medianHover over or tap a bar to see what it shows.

Housing

Indicator1233 BernexBernexSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)4,795––ranked 238 of 3,164
Residential buildings (2026)1,613––ranked 170 of 3,160
Dwellings in buildings built before 1946 (2026)8.5%8.5%23.2%ranked 2,964 of 3,164
Dwellings in buildings built since 2001 (2026)23.1%23.1%23.6%ranked 1,421 of 3,164
Share of detached houses among residential buildings (2026)64.4%64.4%63.5%ranked 2,066 of 3,160

Energy

Indicator1233 BernexBernexSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)69.8%69.8%56.2%ranked 548 of 3,160
Heat pumps as main heating (2026)9.2%9.2%16.2%ranked 2,075 of 3,160
Wood heating systems (2026)4.1%4.1%13.5%ranked 2,683 of 3,160
District heating (2026)7.9%7.9%5.6%ranked 469 of 3,160

Society

Indicator1233 BernexBernexSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)23.6%23.6%29.8%ranked 828 of 2,040

Where is 1233 Bernex?

Frequently asked questions

What is the population of 1233 Bernex (Bernex)?

1233 Bernex has 10,912 residents in 2025. It covers 12.7 km², or 856 people per km².

Where is 1233 Bernex?

1233 Bernex (postcode area) is part of Bernex, in Geneva.

What is the value of “Share of foreign nationals” in 1233 Bernex?

Share of foreign nationals: 23.6% (2025), ranked 828 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 1233 Bernex?

Dwellings: 4,795 (2026), ranked 238 of 3,164 postcode areas in the country.