4108 Witterswil (Witterswil): key figures
4108 Witterswil (postcode area in Witterswil) has 1,435 residents in 2025 across 2.6 km², or 552 people per km². Population: −0.3% between 2015 and 2025.
- 1,435 residents
- 2.6 km²
- 552 people/km²
4108 Witterswil in numbers
Key points
Nationally, 4108 Witterswil ranks No. 1,315 of 2,275 postcode areas.
Population of 4108 Witterswil over time
4108 Witterswil had 1,440 residents in 2015 and 1,435 in 2025.
| Year | Population |
|---|---|
| 2015 | 1,440 |
| 2020 | 1,400 |
| 2023 | 1,412 |
| 2025 | 1,435 |
All indicators for 4108 Witterswil
Next to the value for 4108 Witterswil: all postcode areas of Witterswil, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 4108 Witterswil | Witterswil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 677 | – | – | ranked 1,538 of 3,164 | ||
| Residential buildings (2026) | 509 | – | – | ranked 1,130 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 14.2% | 14.2% | 23.2% | ranked 2,593 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 18.6% | 18.6% | 23.6% | ranked 1,864 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 88.0% | 88.0% | 63.5% | ranked 111 of 3,160 |
Energy
| Indicator | 4108 Witterswil | Witterswil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 76.4% | 76.4% | 56.2% | ranked 261 of 3,160 | ||
| Heat pumps as main heating (2026) | 12.6% | 12.6% | 16.2% | ranked 1,592 of 3,160 | ||
| Wood heating systems (2026) | 3.9% | 3.9% | 13.5% | ranked 2,712 of 3,160 | ||
| District heating (2026) | 1.6% | 1.6% | 5.6% | ranked 1,244 of 3,160 |
Society
| Indicator | 4108 Witterswil | Witterswil | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 20.0% | 20.0% | 29.8% | ranked 1,109 of 2,040 |
Where is 4108 Witterswil?
Frequently asked questions
What is the population of 4108 Witterswil (Witterswil)?
4108 Witterswil has 1,435 residents in 2025. It covers 2.6 km², or 552 people per km².
Where is 4108 Witterswil?
4108 Witterswil (postcode area) is part of Witterswil, in Solothurn.
What is the value of “Share of foreign nationals” in 4108 Witterswil?
Share of foreign nationals: 20.0% (2025), ranked 1,109 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4108 Witterswil?
Dwellings: 677 (2026), ranked 1,538 of 3,164 postcode areas in the country.