Postcode area · Lens · Valais

3978 Flanthey (Lens): key figures

3978 Flanthey (postcode area in Lens) has 929 residents in 2025 across 3.0 km², or 305 people per km². By population, 3978 Flanthey ranks No. 2 of 2 postcode areas in Lens. Population: +8.0% between 2015 and 2025.

  • 929 residents
  • 3.0 km²
  • 305 people/km²

3978 Flanthey in numbers

Population
929
ranked 1,661 of 2,275
+8.0%between 2015 and 2025
2015–2025
Population density
305people/km²
ranked 1,076 of 2,275
Area
3.0km²
ranked 2,711 of 3,168
Dwellings
506
ranked 1,886 of 3,164
Residential buildings
328
ranked 1,700 of 3,160
Dwellings in buildings built before 1946
27.3%
ranked 1,617 of 3,164
Dwellings in buildings built since 2001
17.6%
ranked 1,960 of 3,164

Key points

By population, 3978 Flanthey ranks No. 2 of 2 postcode areas in Lens.

Nationally, 3978 Flanthey ranks No. 1,661 of 2,275 postcode areas.

Population of 3978 Flanthey over time

8608809009209402015202020232025
Population, 2015–2025

3978 Flanthey had 860 residents in 2015 and 929 in 2025.

YearPopulation
2015860
2020922
2023907
2025929

All indicators for 3978 Flanthey

Next to the value for 3978 Flanthey: all postcode areas of Lens, then of the whole country (totals for counts, weighted averages for rates).

3978 FlantheyNational medianHover over or tap a bar to see what it shows.

Housing

Indicator3978 FlantheyLensSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)506––ranked 2 of 2ranked 1,886 of 3,164
Residential buildings (2026)328––ranked 2 of 2ranked 1,700 of 3,160
Dwellings in buildings built before 1946 (2026)27.3%21.1%23.2%ranked 1 of 2ranked 1,617 of 3,164
Dwellings in buildings built since 2001 (2026)17.6%28.2%23.6%ranked 2 of 2ranked 1,960 of 3,164
Share of detached houses among residential buildings (2026)66.8%70.3%63.5%ranked 2 of 2ranked 1,864 of 3,160

Energy

Indicator3978 FlantheyLensSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)47.5%49.3%56.2%ranked 2 of 2ranked 1,695 of 3,160
Heat pumps as main heating (2026)26.1%25.3%16.2%ranked 1 of 2ranked 543 of 3,160
Wood heating systems (2026)7.2%5.0%13.5%ranked 1 of 2ranked 2,358 of 3,160
District heating (2026)0.7%0.2%5.6%ranked 1 of 2ranked 1,672 of 3,160

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Frequently asked questions

What is the population of 3978 Flanthey (Lens)?

3978 Flanthey has 929 residents in 2025. It covers 3.0 km², or 305 people per km².

Where is 3978 Flanthey?

3978 Flanthey (postcode area) is part of Lens, in Valais.

What is the value of “Dwellings” in 3978 Flanthey?

Dwellings: 506 (2026), ranked 1,886 of 3,164 postcode areas in the country.

What is the value of “Residential buildings” in 3978 Flanthey?

Residential buildings: 328 (2026), ranked 1,700 of 3,160 postcode areas in the country.