Postcode area · Lohn-Ammannsegg · Solothurn

4573 Lohn-Ammannsegg (Lohn-Ammannsegg): key figures

4573 Lohn-Ammannsegg (postcode area in Lohn-Ammannsegg) has 2,874 residents in 2025 across 4.8 km², or 598 people per km². Population: +8.7% between 2015 and 2025.

  • 2,874 residents
  • 4.8 km²
  • 598 people/km²

4573 Lohn-Ammannsegg in numbers

Population
2,874
ranked 805 of 2,275
+8.7%between 2015 and 2025
2015–2025
Population density
598people/km²
ranked 608 of 2,275
Area
4.8km²
ranked 2,233 of 3,168
Share of foreign nationals
11.3%
ranked 1,750 of 2,040
Dwellings
1,400
ranked 890 of 3,164
Residential buildings
792
ranked 663 of 3,160
Dwellings in buildings built before 1946
11.4%
ranked 2,795 of 3,164

Key points

Nationally, 4573 Lohn-Ammannsegg ranks No. 805 of 2,275 postcode areas.

Population of 4573 Lohn-Ammannsegg over time

2,6002,7002,8002,9003,0002015202020232025
Population, 2015–2025

4573 Lohn-Ammannsegg had 2,644 residents in 2015 and 2,874 in 2025.

YearPopulation
20152,644
20202,805
20232,915
20252,874

All indicators for 4573 Lohn-Ammannsegg

Next to the value for 4573 Lohn-Ammannsegg: all postcode areas of Lohn-Ammannsegg, then of the whole country (totals for counts, weighted averages for rates).

4573 Lohn-AmmannseggNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4573 Lohn-AmmannseggLohn-AmmannseggSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)1,400––ranked 890 of 3,164
Residential buildings (2026)792––ranked 663 of 3,160
Dwellings in buildings built before 1946 (2026)11.4%11.4%23.2%ranked 2,795 of 3,164
Dwellings in buildings built since 2001 (2026)31.1%31.1%23.6%ranked 724 of 3,164
Share of detached houses among residential buildings (2026)78.4%78.4%63.5%ranked 678 of 3,160

Energy

Indicator4573 Lohn-AmmannseggLohn-AmmannseggSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)64.2%64.2%56.2%ranked 790 of 3,160
Heat pumps as main heating (2026)24.9%24.9%16.2%ranked 594 of 3,160
Wood heating systems (2026)5.3%5.3%13.5%ranked 2,545 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 2,207 of 3,160

Society

Indicator4573 Lohn-AmmannseggLohn-AmmannseggSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)11.3%11.3%29.8%ranked 1,750 of 2,040

Where is 4573 Lohn-Ammannsegg?

Frequently asked questions

What is the population of 4573 Lohn-Ammannsegg (Lohn-Ammannsegg)?

4573 Lohn-Ammannsegg has 2,874 residents in 2025. It covers 4.8 km², or 598 people per km².

Where is 4573 Lohn-Ammannsegg?

4573 Lohn-Ammannsegg (postcode area) is part of Lohn-Ammannsegg, in Solothurn.

What is the value of “Share of foreign nationals” in 4573 Lohn-Ammannsegg?

Share of foreign nationals: 11.3% (2025), ranked 1,750 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 4573 Lohn-Ammannsegg?

Dwellings: 1,400 (2026), ranked 890 of 3,164 postcode areas in the country.