Postcode area · Lostorf · Solothurn
4654 Lostorf (Lostorf): key figures
4654 Lostorf (postcode area in Lostorf) has 4,077 residents in 2025 across 12.2 km², or 335 people per km². Population: +4.4% between 2015 and 2025.
- 4,077 residents
- 12.2 km²
- 335 people/km²
4654 Lostorf in numbers
Population
4,077
ranked 570 of 2,275
+4.4%between 2015 and 2025
2015–2025
Population density
335people/km²
ranked 1,002 of 2,275
Area
12.2km²
ranked 904 of 3,168
Share of foreign nationals
15.0%
ranked 1,486 of 2,040
Dwellings
2,014
ranked 609 of 3,164
Residential buildings
1,262
ranked 288 of 3,160
Dwellings in buildings built before 1946
14.1%
ranked 2,601 of 3,164
Key points
Nationally, 4654 Lostorf ranks No. 570 of 2,275 postcode areas.
Population of 4654 Lostorf over time
Population, 2015–2025
4654 Lostorf had 3,907 residents in 2015 and 4,077 in 2025.
| Year | Population |
|---|---|
| 2015 | 3,907 |
| 2020 | 3,926 |
| 2023 | 4,051 |
| 2025 | 4,077 |
All indicators for 4654 Lostorf
Next to the value for 4654 Lostorf: all postcode areas of Lostorf, then of the whole country (totals for counts, weighted averages for rates).
4654 LostorfNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 4654 Lostorf | Lostorf | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 2,014 | – | – | ranked 609 of 3,164 | ||
| Residential buildings (2026) | 1,262 | – | – | ranked 288 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 14.1% | 14.1% | 23.2% | ranked 2,601 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 23.3% | 23.3% | 23.6% | ranked 1,403 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 82.2% | 82.2% | 63.5% | ranked 365 of 3,160 |
Energy
| Indicator | 4654 Lostorf | Lostorf | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 72.1% | 72.1% | 56.2% | ranked 435 of 3,160 | ||
| Heat pumps as main heating (2026) | 8.6% | 8.6% | 16.2% | ranked 2,156 of 3,160 | ||
| Wood heating systems (2026) | 7.9% | 7.9% | 13.5% | ranked 2,281 of 3,160 | ||
| District heating (2026) | 0.4% | 0.4% | 5.6% | ranked 1,913 of 3,160 |
Society
| Indicator | 4654 Lostorf | Lostorf | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 15.0% | 15.0% | 29.8% | ranked 1,486 of 2,040 |
Where is 4654 Lostorf?
Frequently asked questions
What is the population of 4654 Lostorf (Lostorf)?
4654 Lostorf has 4,077 residents in 2025. It covers 12.2 km², or 335 people per km².
Where is 4654 Lostorf?
4654 Lostorf (postcode area) is part of Lostorf, in Solothurn.
What is the value of “Share of foreign nationals” in 4654 Lostorf?
Share of foreign nationals: 15.0% (2025), ranked 1,486 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4654 Lostorf?
Dwellings: 2,014 (2026), ranked 609 of 3,164 postcode areas in the country.