Bettlach: population and statistics
Bettlach has a population of 4,935 (2025) across 12.2 km², or 404 people per km². It ranks 444 of 2,115 municipalities by population. Its population is growing: +1.3% between 2015 and 2025.
- 4,935 residents
- 12.2 km²
- 404 people/km²
- 486 m
Key points
Among the 106 municipalities in Solothurn, Bettlach ranks No. 17 by population.
Share of jobs in industry and construction: 55.9% in Bettlach, compared with an average of 27.9% in Solothurn and 22.0% nationally.
Oil or gas heating systems: 80.6% in Bettlach, compared with an average of 72.7% in Solothurn and 61.7% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,190 kWh a year here.
Bettlach in numbers
Where is Bettlach?
Population of Bettlach over time
Bettlach had 4,873 residents in 2015 and 4,935 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,953 |
| 2021 | 4,952 |
| 2022 | 4,943 |
| 2023 | 4,978 |
| 2024 | 4,987 |
| 2025 | 4,935 |
Did you know?
- “Share of jobs in industry and construction”: higher than in 96% of municipalities.
- “Oil or gas heating systems”: higher than in 95% of municipalities.
- Its area is roughly equal to 1,709 football pitches.
- The nearest municipality is Selzach, 2.3 km away.
- The nearest more populous municipality is Grenchen (18,973 residents), 2.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,760 kWh a year, roughly what an average household uses.
All indicators for Bettlach
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 | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 25.3% | 21.7% | 20.7% | ranked 258 of 1,811 |
Housing
| Indicator | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,577 | 148,900 | 4,927,050 | ranked 454 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 14.5% | 22.0% | 23.3% | ranked 1,371 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 15.6% | 21.9% | 25.3% | ranked 1,482 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 68.1% | 70.1% | 69.5% | ranked 987 of 1,806 |
Energy
| Indicator | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 80.6% | 72.7% | 53.5% | ranked 85 of 1,806 | |
| Heat pumps as main heating (2026) | 6.3% | 11.4% | 13.7% | ranked 1,556 of 1,806 | |
| Wood heating systems (2026) | 7.9% | 8.1% | 12.4% | ranked 1,216 of 1,806 | |
| District heating (2026) | 2.1% | 2.7% | 1.4% | ranked 768 of 1,806 | |
| Photovoltaic installations (2026) | 188 | 11,211 | 329,600 | ranked 567 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 770.6 kW | 1,095 kW | 1,134 kW | ranked 1,396 of 1,806 | |
| Rooftop solar electricity potential (2026) | 36.4 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 537 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,384 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 1,313 of 1,810 |
Economy
| Indicator | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 250 | 18,596 | 728,011 | ranked 620 of 2,112 | |
| Entities listed in the commercial register (2026) | 285 | 18,362 | 762,757 | ranked 537 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 57.8 | 63.0 | 64.9 | ranked 1,213 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 74.0% | 65.9% | 65.7% | ranked 246 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 21.8% | 29.3% | 29.0% | ranked 1,491 of 1,808 |
Employment
| Indicator | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,072 | 151,633 | 5,679,518 | ranked 451 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 419.9 | 520.0 | 362.9 | ranked 702 of 1,810 | |
| Share of jobs in services (2024) | 41.5% | 67.4% | 63.6% | ranked 1,561 of 1,804 | |
| Share of jobs in industry and construction (2024) | 55.9% | 27.9% | 24.2% | ranked 78 of 1,776 |
Society
| Indicator | Bettlach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 20.6% | 25.9% | 18.9% | ranked 771 of 1,811 |
Sunshine and temperatures: Bettlach
Frequently asked questions
What is the population of Bettlach?
Bettlach has 4,935 residents (2025), ranking 444 of 2,115 municipalities.
How big is Bettlach?
Bettlach covers 12.2 km², with a density of 404 people per km².
Is the population of Bettlach growing?
Between 2015 and 2025, the population of Bettlach went from 4,873 to 4,935, a change of +1.3%.
Where is Bettlach?
Bettlach is in Solothurn. It belongs to Bezirk Lebern (district). Latitude 47.204, longitude 7.425.
Share of jobs in industry and construction: what is the figure for Bettlach?
In Bettlach, “Share of jobs in industry and construction” stands at 55.9% (2024), ranking 78 of 1,776 municipalities; the national median is 24.2%.
Oil or gas heating systems: what is the figure for Bettlach?
In Bettlach, “Oil or gas heating systems” stands at 80.6% (2026), ranking 85 of 1,806 municipalities; the national median is 53.5%.
How much electricity does a solar panel produce in Bettlach?
In Bettlach, a 1 kWp south-facing system tilted at 37° produces about 1,190 kWh a year.
Which municipalities border Bettlach?
The nearest to Bettlach are Selzach (2.3 km), Grenchen (2.5 km), Lommiswil (4.0 km), Arch (4.0 km), Leuzigen (4.1 km).