Seewen: population and statistics
Seewen has a population of 1,088 (2025) across 16.3 km², or 66.7 people per km². It ranks 1,409 of 2,115 municipalities by population. Its population is growing: +6.5% between 2015 and 2025.
- 1,088 residents
- 16.3 km²
- 67 people/km²
- 561 m
Key points
Among the 106 municipalities in Solothurn, Seewen ranks No. 72 by population.
Share of sole proprietorships among registered entities: 40.6% in Seewen, compared with an average of 29.3% in Solothurn and 26.1% nationally.
Heat pumps as main heating: 5.5% in Seewen, compared with an average of 11.4% in Solothurn and 15.5% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,128 kWh a year here.
Seewen in numbers
Where is Seewen?
Population of Seewen over time
Seewen had 1,022 residents in 2015 and 1,088 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,022 |
| 2021 | 1,052 |
| 2022 | 1,065 |
| 2023 | 1,064 |
| 2024 | 1,088 |
| 2025 | 1,088 |
Did you know?
- “Share of sole proprietorships among registered entities”: higher than in 91% of municipalities.
- “Heat pumps as main heating”: lower than in 90% of municipalities.
- Its area is roughly equal to 2,284 football pitches.
- Its population density is 3.5 times lower than the national average.
- The nearest municipality is Büren (SO), 1.9 km away.
- The nearest more populous municipality is Ziefen (1,740 residents), 3.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,512 kWh a year, roughly what an average household uses.
All indicators for Seewen
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 | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 23.9% | 21.7% | 20.7% | ranked 408 of 1,811 |
Housing
| Indicator | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 593 | 148,900 | 4,927,050 | ranked 1,385 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 36.3% | 22.0% | 23.3% | ranked 376 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 17.9% | 21.9% | 25.3% | ranked 1,383 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 79.2% | 70.1% | 69.5% | ranked 263 of 1,806 |
Energy
| Indicator | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 58.9% | 72.7% | 53.5% | ranked 729 of 1,806 | |
| Heat pumps as main heating (2026) | 5.5% | 11.4% | 13.7% | ranked 1,629 of 1,806 | |
| Wood heating systems (2026) | 31.3% | 8.1% | 12.4% | ranked 230 of 1,806 | |
| District heating (2026) | 0.6% | 2.7% | 1.4% | ranked 1,176 of 1,806 | |
| Photovoltaic installations (2026) | 59 | 11,211 | 329,600 | ranked 1,475 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,194 kW | 1,095 kW | 1,134 kW | ranked 833 of 1,806 | |
| Rooftop solar electricity potential (2026) | 12.5 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 1,386 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 11,498 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 582 of 1,810 |
Economy
| Indicator | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 89 | 18,596 | 728,011 | ranked 1,337 of 2,112 | |
| Entities listed in the commercial register (2026) | 64 | 18,362 | 762,757 | ranked 1,448 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 58.8 | 63.0 | 64.9 | ranked 1,180 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 57.8% | 65.9% | 65.7% | ranked 1,508 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 40.6% | 29.3% | 29.0% | ranked 152 of 1,808 |
Employment
| Indicator | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 236 | 151,633 | 5,679,518 | ranked 1,538 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 216.9 | 520.0 | 362.9 | ranked 1,502 of 1,810 | |
| Share of jobs in services (2024) | 53.8% | 67.4% | 63.6% | ranked 1,239 of 1,804 | |
| Share of jobs in industry and construction (2024) | 20.3% | 27.9% | 24.2% | ranked 1,076 of 1,776 |
Society
| Indicator | Seewen | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 12.1% | 25.9% | 18.9% | ranked 1,398 of 1,811 |
Sunshine and temperatures: Seewen
Frequently asked questions
What is the population of Seewen?
Seewen has 1,088 residents (2025), ranking 1,409 of 2,115 municipalities.
How big is Seewen?
Seewen covers 16.3 km², with a density of 67 people per km².
Is the population of Seewen growing?
Between 2015 and 2025, the population of Seewen went from 1,022 to 1,088, a change of +6.5%.
Where is Seewen?
Seewen is in Solothurn. It belongs to Bezirk Dorneck (district). Latitude 47.436, longitude 7.660.
Share of sole proprietorships among registered entities: what is the figure for Seewen?
In Seewen, “Share of sole proprietorships among registered entities” stands at 40.6% (2026), ranking 152 of 1,808 municipalities; the national median is 29.0%.
Heat pumps as main heating: what is the figure for Seewen?
In Seewen, “Heat pumps as main heating” stands at 5.5% (2026), ranking 1,629 of 1,806 municipalities; the national median is 13.7%.
How much electricity does a solar panel produce in Seewen?
In Seewen, a 1 kWp south-facing system tilted at 37° produces about 1,128 kWh a year.
Which municipalities border Seewen?
The nearest to Seewen are Büren (SO) (1.9 km), Hochwald (2.7 km), Lupsingen (2.8 km), Ziefen (3.5 km), Bretzwil (4.3 km).