Postcode area · Sempach · Lucerne

6204 Sempach (Sempach): key figures

6204 Sempach (postcode area in Sempach) has 4,359 residents in 2025 across 13.4 km², or 326 people per km². Population: +6.0% between 2015 and 2025.

  • 4,359 residents
  • 13.4 km²
  • 326 people/km²

6204 Sempach in numbers

Population
4,359
ranked 532 of 2,275
+6.0%between 2015 and 2025
2015–2025
Population density
326people/km²
ranked 1,025 of 2,275
Area
13.4km²
ranked 800 of 3,168
Share of foreign nationals
11.2%
ranked 1,754 of 2,040
Dwellings
2,014
ranked 609 of 3,164
Residential buildings
753
ranked 723 of 3,160
Dwellings in buildings built before 1946
12.8%
ranked 2,694 of 3,164

Key points

Nationally, 6204 Sempach ranks No. 532 of 2,275 postcode areas.

Population of 6204 Sempach over time

4,1004,2004,3004,4002015202020232025
Population, 2015–2025

6204 Sempach had 4,111 residents in 2015 and 4,359 in 2025.

YearPopulation
20154,111
20204,192
20234,120
20254,359

All indicators for 6204 Sempach

Next to the value for 6204 Sempach: all postcode areas of Sempach, then of the whole country (totals for counts, weighted averages for rates).

6204 SempachNational medianHover over or tap a bar to see what it shows.

Housing

Indicator6204 SempachSempachSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)2,014––ranked 609 of 3,164
Residential buildings (2026)753––ranked 723 of 3,160
Dwellings in buildings built before 1946 (2026)12.8%12.8%23.2%ranked 2,694 of 3,164
Dwellings in buildings built since 2001 (2026)31.2%31.2%23.6%ranked 716 of 3,164
Share of detached houses among residential buildings (2026)55.5%55.5%63.5%ranked 2,613 of 3,160

Energy

Indicator6204 SempachSempachSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)26.8%26.8%56.2%ranked 2,688 of 3,160
Heat pumps as main heating (2026)50.2%50.2%16.2%ranked 35 of 3,160
Wood heating systems (2026)9.5%9.5%13.5%ranked 2,115 of 3,160
District heating (2026)9.8%9.8%5.6%ranked 371 of 3,160

Society

Indicator6204 SempachSempachSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)11.2%11.2%29.8%ranked 1,754 of 2,040

Where is 6204 Sempach?

Frequently asked questions

What is the population of 6204 Sempach (Sempach)?

6204 Sempach has 4,359 residents in 2025. It covers 13.4 km², or 326 people per km².

Where is 6204 Sempach?

6204 Sempach (postcode area) is part of Sempach, in Lucerne.

What is the value of “Share of foreign nationals” in 6204 Sempach?

Share of foreign nationals: 11.2% (2025), ranked 1,754 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 6204 Sempach?

Dwellings: 2,014 (2026), ranked 609 of 3,164 postcode areas in the country.