Postcode area · Trélex · Vaud

1270 Trélex (Trélex): key figures

1270 Trélex (postcode area in Trélex) has 1,448 residents in 2025 across 5.8 km², or 251 people per km². Population: +0.1% between 2015 and 2025.

  • 1,448 residents
  • 5.8 km²
  • 251 people/km²

1270 Trélex in numbers

Population
1,448
ranked 1,311 of 2,275
+0.1%between 2015 and 2025
2015–2025
Population density
251people/km²
ranked 1,221 of 2,275
Area
5.8km²
ranked 1,963 of 3,168
Share of foreign nationals
23.2%
ranked 858 of 2,040
Dwellings
615
ranked 1,647 of 3,164
Residential buildings
440
ranked 1,312 of 3,160
Dwellings in buildings built before 1946
20.7%
ranked 2,090 of 3,164

Key points

Nationally, 1270 Trélex ranks No. 1,311 of 2,275 postcode areas.

Population of 1270 Trélex over time

1,4401,4501,4601,4702015202020232025
Population, 2015–2025

1270 Trélex had 1,447 residents in 2015 and 1,448 in 2025.

YearPopulation
20151,447
20201,468
20231,467
20251,448

All indicators for 1270 Trélex

Next to the value for 1270 Trélex: all postcode areas of Trélex, then of the whole country (totals for counts, weighted averages for rates).

1270 TrélexNational medianHover over or tap a bar to see what it shows.

Housing

Indicator1270 TrélexTrélexSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)615––ranked 1,647 of 3,164
Residential buildings (2026)440––ranked 1,312 of 3,160
Dwellings in buildings built before 1946 (2026)20.7%20.7%23.2%ranked 2,090 of 3,164
Dwellings in buildings built since 2001 (2026)23.7%23.7%23.6%ranked 1,361 of 3,164
Share of detached houses among residential buildings (2026)80.7%80.7%63.5%ranked 485 of 3,160

Energy

Indicator1270 TrélexTrélexSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)54.7%54.7%56.2%ranked 1,287 of 3,160
Heat pumps as main heating (2026)13.8%13.8%16.2%ranked 1,441 of 3,160
Wood heating systems (2026)6.6%6.6%13.5%ranked 2,411 of 3,160
District heating (2026)0.6%0.6%5.6%ranked 1,742 of 3,160

Society

Indicator1270 TrélexTrélexSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)23.2%23.2%29.8%ranked 858 of 2,040

Where is 1270 Trélex?

Frequently asked questions

What is the population of 1270 Trélex (Trélex)?

1270 Trélex has 1,448 residents in 2025. It covers 5.8 km², or 251 people per km².

Where is 1270 Trélex?

1270 Trélex (postcode area) is part of Trélex, in Vaud.

What is the value of “Share of foreign nationals” in 1270 Trélex?

Share of foreign nationals: 23.2% (2025), ranked 858 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 1270 Trélex?

Dwellings: 615 (2026), ranked 1,647 of 3,164 postcode areas in the country.