Postcode area · Dornach · Solothurn

4143 Dornach (Dornach): key figures

4143 Dornach (postcode area in Dornach) has 6,833 residents in 2025 across 5.8 km², or 1,180 people per km². Population: +4.6% between 2015 and 2025.

  • 6,833 residents
  • 5.8 km²
  • 1,180 people/km²

4143 Dornach in numbers

Population
6,833
ranked 307 of 2,275
+4.6%between 2015 and 2025
2015–2025
Population density
1,180people/km²
ranked 310 of 2,275
Area
5.8km²
ranked 1,959 of 3,168
Share of foreign nationals
29.2%
ranked 504 of 2,040
Dwellings
3,558
ranked 320 of 3,164
Residential buildings
1,673
ranked 157 of 3,160
Dwellings in buildings built before 1946
19.2%
ranked 2,203 of 3,164

Key points

Nationally, 4143 Dornach ranks No. 307 of 2,275 postcode areas.

Population of 4143 Dornach over time

6,5006,6006,7006,8006,9002015202020232025
Population, 2015–2025

4143 Dornach had 6,535 residents in 2015 and 6,833 in 2025.

YearPopulation
20156,535
20206,825
20236,778
20256,833

All indicators for 4143 Dornach

Next to the value for 4143 Dornach: all postcode areas of Dornach, then of the whole country (totals for counts, weighted averages for rates).

4143 DornachNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4143 DornachDornachSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)3,558––ranked 320 of 3,164
Residential buildings (2026)1,673––ranked 157 of 3,160
Dwellings in buildings built before 1946 (2026)19.2%19.2%23.2%ranked 2,203 of 3,164
Dwellings in buildings built since 2001 (2026)20.9%20.9%23.6%ranked 1,636 of 3,164
Share of detached houses among residential buildings (2026)69.5%69.5%63.5%ranked 1,638 of 3,160

Energy

Indicator4143 DornachDornachSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)82.2%82.2%56.2%ranked 121 of 3,160
Heat pumps as main heating (2026)8.2%8.2%16.2%ranked 2,217 of 3,160
Wood heating systems (2026)4.6%4.6%13.5%ranked 2,625 of 3,160
District heating (2026)2.2%2.2%5.6%ranked 1,061 of 3,160

Society

Indicator4143 DornachDornachSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)29.2%29.2%29.8%ranked 504 of 2,040

Where is 4143 Dornach?

Frequently asked questions

What is the population of 4143 Dornach (Dornach)?

4143 Dornach has 6,833 residents in 2025. It covers 5.8 km², or 1,180 people per km².

Where is 4143 Dornach?

4143 Dornach (postcode area) is part of Dornach, in Solothurn.

What is the value of “Share of foreign nationals” in 4143 Dornach?

Share of foreign nationals: 29.2% (2025), ranked 504 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 4143 Dornach?

Dwellings: 3,558 (2026), ranked 320 of 3,164 postcode areas in the country.