Dornach: population and statistics
Dornach has a population of 6,898 (2025) across 5.8 km², or 1,200 people per km². It ranks 287 of 2,115 municipalities by population. Its population is growing: +5.5% between 2015 and 2025.
- 6,898 residents
- 5.8 km²
- 1,200 people/km²
- 345 m
Key points
Among the 106 municipalities in Solothurn, Dornach ranks No. 8 by population.
Oil or gas heating systems: 82.2% in Dornach, compared with an average of 72.7% in Solothurn and 61.7% nationally.
Share of jobs in services: 86.6% in Dornach, compared with an average of 67.4% in Solothurn and 73.4% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,134 kWh a year here.
Dornach in numbers
Where is Dornach?
Population of Dornach over time
Dornach had 6,538 residents in 2015 and 6,898 in 2025.
| Year | Population |
|---|---|
| 2020 | 6,882 |
| 2021 | 6,832 |
| 2022 | 6,795 |
| 2023 | 6,862 |
| 2024 | 6,901 |
| 2025 | 6,898 |
Did you know?
- “Oil or gas heating systems”: higher than in 96% of municipalities.
- “Share of jobs in services”: higher than in 92% of municipalities.
- Its area is roughly equal to 805 football pitches.
- Its population density is 5.2 times the national average.
- The nearest municipality is Arlesheim, 1.5 km away.
- The nearest more populous municipality is Aesch (BL) (11,327 residents), 2.1 km away.
- A 4 kWp rooftop solar system here would generate about 4,536 kWh a year, roughly what an average household uses.
All indicators for Dornach
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 | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 24.5% | 21.7% | 20.7% | ranked 342 of 1,811 |
Housing
| Indicator | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,558 | 148,900 | 4,927,050 | ranked 303 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 19.2% | 22.0% | 23.3% | ranked 1,108 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 20.9% | 21.9% | 25.3% | ranked 1,186 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 69.5% | 70.1% | 69.5% | ranked 908 of 1,806 |
Energy
| Indicator | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 82.2% | 72.7% | 53.5% | ranked 68 of 1,806 | |
| Heat pumps as main heating (2026) | 8.2% | 11.4% | 13.7% | ranked 1,382 of 1,806 | |
| Wood heating systems (2026) | 4.6% | 8.1% | 12.4% | ranked 1,478 of 1,806 | |
| District heating (2026) | 2.2% | 2.7% | 1.4% | ranked 748 of 1,806 | |
| Photovoltaic installations (2026) | 235 | 11,211 | 329,600 | ranked 405 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 592.3 kW | 1,095 kW | 1,134 kW | ranked 1,593 of 1,806 | |
| Rooftop solar electricity potential (2026) | 38.4 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 494 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 5,564 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 1,598 of 1,810 |
Economy
| Indicator | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 498 | 18,596 | 728,011 | ranked 283 of 2,112 | |
| Entities listed in the commercial register (2026) | 396 | 18,362 | 762,757 | ranked 378 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 57.4 | 63.0 | 64.9 | ranked 1,235 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.9% | 65.9% | 65.7% | ranked 694 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 26.0% | 29.3% | 29.0% | ranked 1,169 of 1,808 |
Employment
| Indicator | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,867 | 151,633 | 5,679,518 | ranked 345 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 415.6 | 520.0 | 362.9 | ranked 716 of 1,810 | |
| Share of jobs in services (2024) | 86.6% | 67.4% | 63.6% | ranked 141 of 1,804 | |
| Share of jobs in industry and construction (2024) | 13.0% | 27.9% | 24.2% | ranked 1,423 of 1,776 |
Society
| Indicator | Dornach | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 29.1% | 25.9% | 18.9% | ranked 328 of 1,811 |
Sunshine and temperatures: Dornach
Frequently asked questions
What is the population of Dornach?
Dornach has 6,898 residents (2025), ranking 287 of 2,115 municipalities.
How big is Dornach?
Dornach covers 5.8 km², with a density of 1,200 people per km².
Is the population of Dornach growing?
Between 2015 and 2025, the population of Dornach went from 6,538 to 6,898, a change of +5.5%.
Where is Dornach?
Dornach is in Solothurn. It belongs to Bezirk Dorneck (district). Latitude 47.479, longitude 7.618.
Oil or gas heating systems: what is the figure for Dornach?
In Dornach, “Oil or gas heating systems” stands at 82.2% (2026), ranking 68 of 1,806 municipalities; the national median is 53.5%.
Share of jobs in services: what is the figure for Dornach?
In Dornach, “Share of jobs in services” stands at 86.6% (2024), ranking 141 of 1,804 municipalities; the national median is 63.6%.
How much electricity does a solar panel produce in Dornach?
In Dornach, a 1 kWp south-facing system tilted at 38° produces about 1,134 kWh a year.
Which municipalities border Dornach?
The nearest to Dornach are Arlesheim (1.5 km), Aesch (BL) (2.1 km), Reinach (BL) (2.6 km), Pfeffingen (2.9 km), Hochwald (3.0 km).