Postcode area · Willisau · Lucerne

6142 Gettnau (Willisau): key figures

6142 Gettnau (postcode area in Willisau) has 1,199 residents in 2025 across 6.2 km², or 193 people per km². By population, 6142 Gettnau ranks No. 2 of 2 postcode areas in Willisau. Population: +5.6% between 2015 and 2025.

  • 1,199 residents
  • 6.2 km²
  • 193 people/km²

6142 Gettnau in numbers

Population
1,199
ranked 1,455 of 2,275
+5.6%between 2015 and 2025
2015–2025
Population density
193people/km²
ranked 1,416 of 2,275
Area
6.2km²
ranked 1,857 of 3,168
Share of foreign nationals
25.9%
ranked 689 of 2,040
Dwellings
539
ranked 1,807 of 3,164
Residential buildings
246
ranked 2,091 of 3,160
Dwellings in buildings built before 1946
20.4%
ranked 2,108 of 3,164

Key points

By population, 6142 Gettnau ranks No. 2 of 2 postcode areas in Willisau.

Nationally, 6142 Gettnau ranks No. 1,455 of 2,275 postcode areas.

Population of 6142 Gettnau over time

1,1201,1401,1601,1801,2002015202020232025
Population, 2015–2025

6142 Gettnau had 1,135 residents in 2015 and 1,199 in 2025.

YearPopulation
20151,135
20201,156
20231,198
20251,199

All indicators for 6142 Gettnau

Next to the value for 6142 Gettnau: all postcode areas of Willisau, then of the whole country (totals for counts, weighted averages for rates).

6142 GettnauNational medianHover over or tap a bar to see what it shows.

Housing

Indicator6142 GettnauWillisauSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)539––ranked 2 of 4ranked 1,807 of 3,164
Residential buildings (2026)246––ranked 2 of 4ranked 2,091 of 3,160
Dwellings in buildings built before 1946 (2026)20.4%20.2%23.2%ranked 3 of 4ranked 2,108 of 3,164
Dwellings in buildings built since 2001 (2026)28.0%28.0%23.6%ranked 2 of 4ranked 973 of 3,164
Share of detached houses among residential buildings (2026)61.8%53.3%63.5%ranked 2 of 4ranked 2,253 of 3,160

Energy

Indicator6142 GettnauWillisauSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)28.6%40.7%56.2%ranked 2 of 4ranked 2,622 of 3,160
Heat pumps as main heating (2026)27.7%23.7%16.2%ranked 1 of 4ranked 477 of 3,160
Wood heating systems (2026)31.1%25.7%13.5%ranked 3 of 4ranked 753 of 3,160
District heating (2026)3.9%5.8%5.6%ranked 2 of 4ranked 804 of 3,160

Society

Indicator6142 GettnauWillisauSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)25.9%16.9%29.8%ranked 1 of 3ranked 689 of 2,040

Where is 6142 Gettnau?

Frequently asked questions

What is the population of 6142 Gettnau (Willisau)?

6142 Gettnau has 1,199 residents in 2025. It covers 6.2 km², or 193 people per km².

Where is 6142 Gettnau?

6142 Gettnau (postcode area) is part of Willisau, in Lucerne.

What is the value of “Share of foreign nationals” in 6142 Gettnau?

Share of foreign nationals: 25.9% (2025), ranked 689 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 6142 Gettnau?

Dwellings: 539 (2026), ranked 1,807 of 3,164 postcode areas in the country.