Biezwil: population and statistics
Biezwil has a population of 345 (2025) across 4.2 km², or 82.5 people per km². It ranks 1,934 of 2,115 municipalities by population. Its population is growing: +6.8% between 2015 and 2025.
- 345 residents
- 4.2 km²
- 82 people/km²
- 595 m
Key points
Among the 106 municipalities in Solothurn, Biezwil ranks No. 100 by population.
A 1 kWp solar panel tilted at 37° generates about 1,197 kWh a year here.
Biezwil in numbers
Where is Biezwil?
Population of Biezwil over time
Biezwil had 323 residents in 2015 and 345 in 2025.
| Year | Population |
|---|---|
| 2020 | 344 |
| 2021 | 351 |
| 2022 | 356 |
| 2023 | 354 |
| 2024 | 345 |
| 2025 | 345 |
Did you know?
- “Establishments”: lower than in 96% of municipalities.
- “Dwellings”: lower than in 94% of municipalities.
- “Jobs”: lower than in 92% of municipalities.
- Its area is roughly equal to 585 football pitches.
- Its population density is 2.8 times lower than the national average.
- The nearest more populous municipality is Oberwil bei Büren (895 residents), 1.9 km away.
- A 4 kWp rooftop solar system here would generate about 4,788 kWh a year, roughly what an average household uses.
All indicators for Biezwil
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 26.7% | 21.7% | 20.7% |
Housing
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 168 | 148,900 | 4,927,050 | ranked 1,970 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 47.0% | 22.0% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 17.3% | 21.9% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 78.1% | 70.1% | 69.5% |
Energy
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 50.0% | 72.7% | 53.5% | ||
| Heat pumps as main heating (2026) | 14.3% | 11.4% | 13.7% | ||
| Wood heating systems (2026) | 27.7% | 8.1% | 12.4% | ||
| District heating (2026) | 0.9% | 2.7% | 1.4% | ||
| Photovoltaic installations (2026) | 42 | 11,211 | 329,600 | ranked 1,665 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,469 kW | 1,095 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 5.3 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 1,890 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 15,362 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 21 | 18,596 | 728,011 | ranked 2,013 of 2,112 | |
| Entities listed in the commercial register (2026) | 22 | 18,362 | 762,757 | ranked 1,907 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 63.8 | 63.0 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 68.2% | 65.9% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 22.7% | 29.3% | 29.0% |
Employment
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 82 | 151,633 | 5,679,518 | ranked 1,941 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 237.7 | 520.0 | 362.9 | ||
| Share of jobs in services (2024) | 29.3% | 67.4% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 35.4% | 27.9% | 24.2% |
Society
| Indicator | Biezwil | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 4.9% | 25.9% | 18.9% |
Sunshine and temperatures: Biezwil
Frequently asked questions
What is the population of Biezwil?
Biezwil has 345 residents (2025), ranking 1,934 of 2,115 municipalities.
How big is Biezwil?
Biezwil covers 4.2 km², with a density of 82 people per km².
Is the population of Biezwil growing?
Between 2015 and 2025, the population of Biezwil went from 323 to 345, a change of +6.8%.
Where is Biezwil?
Biezwil is in Solothurn. It belongs to Bezirk Bucheggberg (district). Latitude 47.115, longitude 7.418.
Establishments: what is the figure for Biezwil?
In Biezwil, “Establishments” stands at 21 (2024), ranking 2,013 of 2,112 municipalities; the national median is 131.
Dwellings: what is the figure for Biezwil?
In Biezwil, “Dwellings” stands at 168 (2026), ranking 1,970 of 2,108 municipalities; the national median is 990.
How much electricity does a solar panel produce in Biezwil?
In Biezwil, a 1 kWp south-facing system tilted at 37° produces about 1,197 kWh a year.
Which municipalities border Biezwil?
The nearest to Biezwil are Oberwil bei Büren (1.9 km), Schnottwil (2.1 km), Messen (3.5 km), Wengi (3.8 km), Diessbach bei Büren (4.2 km).