Postcode area · Chalais · Valais

3966 Réchy (Chalais): key figures

3966 Réchy (postcode area in Chalais) has 3,250 residents in 2025 across 7.5 km², or 436 people per km². Population: +16.4% between 2015 and 2025.

  • 3,250 residents
  • 7.5 km²
  • 436 people/km²

3966 Réchy in numbers

Population
3,250
ranked 712 of 2,275
+16.4%between 2015 and 2025
2015–2025
Population density
436people/km²
ranked 796 of 2,275
Area
7.5km²
ranked 1,563 of 3,168
Share of foreign nationals
24.3%
ranked 787 of 2,040
Dwellings
1,714
ranked 723 of 3,164
Residential buildings
999
ranked 456 of 3,160
Dwellings in buildings built before 1946
20.8%
ranked 2,078 of 3,164

Key points

Nationally, 3966 Réchy ranks No. 712 of 2,275 postcode areas.

Population of 3966 Réchy over time

2,6002,8003,0003,2003,4002015202020232025
Population, 2015–2025

3966 Réchy had 2,793 residents in 2015 and 3,250 in 2025.

YearPopulation
20152,793
20202,935
20233,202
20253,250

All indicators for 3966 Réchy

Next to the value for 3966 Réchy: all postcode areas of Chalais, then of the whole country (totals for counts, weighted averages for rates).

3966 RéchyNational medianHover over or tap a bar to see what it shows.

Housing

Indicator3966 RéchyChalaisSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)1,714––ranked 1 of 2ranked 723 of 3,164
Residential buildings (2026)999––ranked 1 of 2ranked 456 of 3,160
Dwellings in buildings built before 1946 (2026)20.8%15.7%23.2%ranked 1 of 2ranked 2,078 of 3,164
Dwellings in buildings built since 2001 (2026)31.4%22.3%23.6%ranked 1 of 2ranked 697 of 3,164
Share of detached houses among residential buildings (2026)72.0%75.2%63.5%ranked 2 of 2ranked 1,369 of 3,160

Energy

Indicator3966 RéchyChalaisSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)62.5%51.8%56.2%ranked 1 of 2ranked 880 of 3,160
Heat pumps as main heating (2026)11.7%8.8%16.2%ranked 1 of 2ranked 1,712 of 3,160
Wood heating systems (2026)9.2%16.3%13.5%ranked 2 of 2ranked 2,138 of 3,160
District heating (2026)0.2%0.2%5.6%ranked 2 of 2ranked 2,105 of 3,160

Society

Indicator3966 RéchyChalaisSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)24.3%24.3%29.8%ranked 787 of 2,040

Where is 3966 Réchy?

Other postcode areas in Chalais

Postcode areas near 3966 Réchy

Next in alphabetical order: 3967 Vercorin

The postcode areas of Chalais

Back to the page for Chalais

Frequently asked questions

What is the population of 3966 Réchy (Chalais)?

3966 Réchy has 3,250 residents in 2025. It covers 7.5 km², or 436 people per km².

Where is 3966 Réchy?

3966 Réchy (postcode area) is part of Chalais, in Valais.

What is the value of “Share of foreign nationals” in 3966 Réchy?

Share of foreign nationals: 24.3% (2025), ranked 787 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 3966 Réchy?

Dwellings: 1,714 (2026), ranked 723 of 3,164 postcode areas in the country.