Büsserach: population and statistics
Büsserach has a population of 2,473 (2025) across 7.5 km², or 328 people per km². It ranks 852 of 2,115 municipalities by population. Its population is growing: +12.3% between 2015 and 2025.
- 2,473 residents
- 7.5 km²
- 328 people/km²
- 421 m
Key points
Among the 106 municipalities in Solothurn, Büsserach ranks No. 35 by population.
Oil or gas heating systems: 79.4% in Büsserach, compared with an average of 72.7% in Solothurn and 61.7% nationally.
Share of jobs in industry and construction: 40.5% in Büsserach, compared with an average of 27.9% in Solothurn and 22.0% nationally.
A 1 kWp solar panel tilted at 35° generates about 1,082 kWh a year here.
Büsserach in numbers
Where is Büsserach?
Population of Büsserach over time
Büsserach had 2,202 residents in 2015 and 2,473 in 2025.
| Year | Population |
|---|---|
| 2020 | 2,296 |
| 2021 | 2,341 |
| 2022 | 2,361 |
| 2023 | 2,431 |
| 2024 | 2,450 |
| 2025 | 2,473 |
Did you know?
- “Oil or gas heating systems”: higher than in 94% of municipalities.
- Its area is roughly equal to 1,057 football pitches.
- The nearest more populous municipality is Breitenbach (4,440 residents), 1.9 km away.
- A 4 kWp rooftop solar system here would generate about 4,328 kWh a year, roughly what an average household uses.
All indicators for Büsserach
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 | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.5% | 21.7% | 20.7% | ranked 946 of 1,811 |
Housing
| Indicator | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,225 | 148,900 | 4,927,050 | ranked 915 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 16.4% | 22.0% | 23.3% | ranked 1,275 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 31.8% | 21.9% | 25.3% | ranked 488 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 78.2% | 70.1% | 69.5% | ranked 322 of 1,806 |
Energy
| Indicator | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 79.4% | 72.7% | 53.5% | ranked 109 of 1,806 | |
| Heat pumps as main heating (2026) | 8.3% | 11.4% | 13.7% | ranked 1,380 of 1,806 | |
| Wood heating systems (2026) | 8.3% | 8.1% | 12.4% | ranked 1,175 of 1,806 | |
| District heating (2026) | 0.4% | 2.7% | 1.4% | ranked 1,310 of 1,806 | |
| Photovoltaic installations (2026) | 132 | 11,211 | 329,600 | ranked 845 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,390 kW | 1,095 kW | 1,134 kW | ranked 641 of 1,806 | |
| Rooftop solar electricity potential (2026) | 22.3 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 934 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 9,025 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 972 of 1,810 |
Economy
| Indicator | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 152 | 18,596 | 728,011 | ranked 950 of 2,112 | |
| Entities listed in the commercial register (2026) | 145 | 18,362 | 762,757 | ranked 939 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 58.6 | 63.0 | 64.9 | ranked 1,189 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 63.4% | 65.9% | 65.7% | ranked 1,112 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 33.1% | 29.3% | 29.0% | ranked 556 of 1,808 |
Employment
| Indicator | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 674 | 151,633 | 5,679,518 | ranked 1,024 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 272.5 | 520.0 | 362.9 | ranked 1,282 of 1,810 | |
| Share of jobs in services (2024) | 56.7% | 67.4% | 63.6% | ranked 1,143 of 1,804 | |
| Share of jobs in industry and construction (2024) | 40.5% | 27.9% | 24.2% | ranked 286 of 1,776 |
Society
| Indicator | Büsserach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.2% | 25.9% | 18.9% | ranked 1,040 of 1,811 |
Sunshine and temperatures: Büsserach
Frequently asked questions
What is the population of Büsserach?
Büsserach has 2,473 residents (2025), ranking 852 of 2,115 municipalities.
How big is Büsserach?
Büsserach covers 7.5 km², with a density of 328 people per km².
Is the population of Büsserach growing?
Between 2015 and 2025, the population of Büsserach went from 2,202 to 2,473, a change of +12.3%.
Where is Büsserach?
Büsserach is in Solothurn. It belongs to Bezirk Thierstein (district). Latitude 47.391, longitude 7.540.
Oil or gas heating systems: what is the figure for Büsserach?
In Büsserach, “Oil or gas heating systems” stands at 79.4% (2026), ranking 109 of 1,806 municipalities; the national median is 53.5%.
Share of jobs in industry and construction: what is the figure for Büsserach?
In Büsserach, “Share of jobs in industry and construction” stands at 40.5% (2024), ranking 286 of 1,776 municipalities; the national median is 24.2%.
How much electricity does a solar panel produce in Büsserach?
In Büsserach, a 1 kWp south-facing system tilted at 35° produces about 1,082 kWh a year.
Which municipalities border Büsserach?
The nearest to Büsserach are Breitenbach (1.9 km), Erschwil (2.0 km), Wahlen (2.2 km), Grindel (2.9 km), Fehren (3.1 km).