4105 Biel-Benken BL (Biel-Benken): key figures
4105 Biel-Benken BL (postcode area in Biel-Benken) has 3,520 residents in 2025 across 4.1 km², or 854 people per km². Population: +3.8% between 2015 and 2025.
- 3,520 residents
- 4.1 km²
- 854 people/km²
4105 Biel-Benken BL in numbers
Key points
Nationally, 4105 Biel-Benken BL ranks No. 665 of 2,275 postcode areas.
Population of 4105 Biel-Benken BL over time
4105 Biel-Benken BL had 3,392 residents in 2015 and 3,520 in 2025.
| Year | Population |
|---|---|
| 2015 | 3,392 |
| 2020 | 3,551 |
| 2023 | 3,534 |
| 2025 | 3,520 |
All indicators for 4105 Biel-Benken BL
Next to the value for 4105 Biel-Benken BL: all postcode areas of Biel-Benken, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 4105 Biel-Benken BL | Biel-Benken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 1,609 | – | – | ranked 772 of 3,164 | ||
| Residential buildings (2026) | 1,125 | – | – | ranked 361 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 10.4% | 10.4% | 23.2% | ranked 2,856 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 30.2% | 30.2% | 23.6% | ranked 804 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 86.0% | 86.0% | 63.5% | ranked 176 of 3,160 |
Energy
| Indicator | 4105 Biel-Benken BL | Biel-Benken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 49.7% | 49.7% | 56.2% | ranked 1,575 of 3,160 | ||
| Heat pumps as main heating (2026) | 39.1% | 39.1% | 16.2% | ranked 152 of 3,160 | ||
| Wood heating systems (2026) | 6.8% | 6.8% | 13.5% | ranked 2,396 of 3,160 | ||
| District heating (2026) | 2.2% | 2.2% | 5.6% | ranked 1,061 of 3,160 |
Society
| Indicator | 4105 Biel-Benken BL | Biel-Benken | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.0% | 17.0% | 29.8% | ranked 1,343 of 2,040 |
Where is 4105 Biel-Benken BL?
Frequently asked questions
What is the population of 4105 Biel-Benken BL (Biel-Benken)?
4105 Biel-Benken BL has 3,520 residents in 2025. It covers 4.1 km², or 854 people per km².
Where is 4105 Biel-Benken BL?
4105 Biel-Benken BL (postcode area) is part of Biel-Benken, in Basel-Landschaft.
What is the value of “Share of foreign nationals” in 4105 Biel-Benken BL?
Share of foreign nationals: 17.0% (2025), ranked 1,343 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4105 Biel-Benken BL?
Dwellings: 1,609 (2026), ranked 772 of 3,164 postcode areas in the country.