Postcode area · Drei Höfe · Solothurn

4558 Heinrichswil (Drei Höfe): key figures

4558 Heinrichswil (postcode area in Drei Höfe) has 714 residents in 2025 across 4.6 km², or 156 people per km². Population: −2.1% between 2015 and 2025.

  • 714 residents
  • 4.6 km²
  • 156 people/km²

4558 Heinrichswil in numbers

Population
714
ranked 1,831 of 2,275
−2.1%between 2015 and 2025
2015–2025
Population density
156people/km²
ranked 1,577 of 2,275
Area
4.6km²
ranked 2,290 of 3,168
Dwellings
350
ranked 2,276 of 3,164
Residential buildings
274
ranked 1,942 of 3,160
Dwellings in buildings built before 1946
26.6%
ranked 1,654 of 3,164
Dwellings in buildings built since 2001
21.4%
ranked 1,586 of 3,164

Key points

Nationally, 4558 Heinrichswil ranks No. 1,831 of 2,275 postcode areas.

Population of 4558 Heinrichswil over time

7107207307402015202020232025
Population, 2015–2025

4558 Heinrichswil had 729 residents in 2015 and 714 in 2025.

YearPopulation
2015729
2020736
2023733
2025714

All indicators for 4558 Heinrichswil

Next to the value for 4558 Heinrichswil: all postcode areas of Drei Höfe, then of the whole country (totals for counts, weighted averages for rates).

4558 HeinrichswilNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4558 HeinrichswilDrei HöfeSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)350––ranked 2,276 of 3,164
Residential buildings (2026)274––ranked 1,942 of 3,160
Dwellings in buildings built before 1946 (2026)26.6%26.6%23.2%ranked 1,654 of 3,164
Dwellings in buildings built since 2001 (2026)21.4%21.4%23.6%ranked 1,586 of 3,164
Share of detached houses among residential buildings (2026)84.7%84.7%63.5%ranked 234 of 3,160

Energy

Indicator4558 HeinrichswilDrei HöfeSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)54.7%54.7%56.2%ranked 1,287 of 3,160
Heat pumps as main heating (2026)23.7%23.7%16.2%ranked 670 of 3,160
Wood heating systems (2026)13.7%13.7%13.5%ranked 1,756 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 2,207 of 3,160

Where is 4558 Heinrichswil?

Frequently asked questions

What is the population of 4558 Heinrichswil (Drei Höfe)?

4558 Heinrichswil has 714 residents in 2025. It covers 4.6 km², or 156 people per km².

Where is 4558 Heinrichswil?

4558 Heinrichswil (postcode area) is part of Drei Höfe, in Solothurn.

What is the value of “Dwellings” in 4558 Heinrichswil?

Dwellings: 350 (2026), ranked 2,276 of 3,164 postcode areas in the country.

What is the value of “Residential buildings” in 4558 Heinrichswil?

Residential buildings: 274 (2026), ranked 1,942 of 3,160 postcode areas in the country.