Langendorf: population and statistics
Langendorf has a population of 3,983 (2025) across 1.9 km², or 2,064 people per km². It ranks 555 of 2,115 municipalities by population. Its population is growing: +6.2% between 2015 and 2025.
- 3,983 residents
- 1.9 km²
- 2,064 people/km²
- 483 m
Key points
Among the 106 municipalities in Solothurn, Langendorf ranks No. 22 by population.
Entities in the commercial register per 1,000 inhabitants: 39.7 in Langendorf, compared with an average of 63.0 in Solothurn and 83.6 nationally.
Share of jobs in services: 89.0% in Langendorf, compared with an average of 67.4% in Solothurn and 73.4% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,196 kWh a year here.
Langendorf in numbers
Where is Langendorf?
Population of Langendorf over time
Langendorf had 3,749 residents in 2015 and 3,983 in 2025.
| Year | Population |
|---|---|
| 2020 | 3,775 |
| 2021 | 3,782 |
| 2022 | 3,844 |
| 2023 | 3,858 |
| 2024 | 3,883 |
| 2025 | 3,983 |
Did you know?
- “Entities in the commercial register per 1,000 inhabitants”: lower than in 97% of municipalities.
- “Share of jobs in services”: higher than in 95% of municipalities.
- “Share of people aged 65 and over”: higher than in 93% of municipalities.
- Its area is roughly equal to 270 football pitches.
- Its population density is 8.9 times the national average.
- The nearest municipality is Bellach, 1.3 km away.
- The nearest more populous municipality is Solothurn (16,830 residents), 2.2 km away.
All indicators for Langendorf
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 | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 27.1% | 21.7% | 20.7% | ranked 136 of 1,811 |
Housing
| Indicator | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,984 | 148,900 | 4,927,050 | ranked 609 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 20.9% | 22.0% | 23.3% | ranked 1,019 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 19.3% | 21.9% | 25.3% | ranked 1,292 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 68.9% | 70.1% | 69.5% | ranked 936 of 1,806 |
Energy
| Indicator | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 78.7% | 72.7% | 53.5% | ranked 129 of 1,806 | |
| Heat pumps as main heating (2026) | 13.4% | 11.4% | 13.7% | ranked 926 of 1,806 | |
| Wood heating systems (2026) | 2.7% | 8.1% | 12.4% | ranked 1,635 of 1,806 | |
| District heating (2026) | 0.1% | 2.7% | 1.4% | ranked 1,479 of 1,806 | |
| Photovoltaic installations (2026) | 141 | 11,211 | 329,600 | ranked 779 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 817.1 kW | 1,095 kW | 1,134 kW | ranked 1,345 of 1,806 | |
| Rooftop solar electricity potential (2026) | 24.2 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 870 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,071 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 1,531 of 1,810 |
Economy
| Indicator | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 185 | 18,596 | 728,011 | ranked 815 of 2,112 | |
| Entities listed in the commercial register (2026) | 158 | 18,362 | 762,757 | ranked 885 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 39.7 | 63.0 | 64.9 | ranked 1,759 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 70.3% | 65.9% | 65.7% | ranked 492 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 25.9% | 29.3% | 29.0% | ranked 1,179 of 1,808 |
Employment
| Indicator | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,552 | 151,633 | 5,679,518 | ranked 599 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 389.7 | 520.0 | 362.9 | ranked 806 of 1,810 | |
| Share of jobs in services (2024) | 89.0% | 67.4% | 63.6% | ranked 91 of 1,804 |
Society
| Indicator | Langendorf | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 18.9% | 25.9% | 18.9% | ranked 905 of 1,811 |
Sunshine and temperatures: Langendorf
Frequently asked questions
What is the population of Langendorf?
Langendorf has 3,983 residents (2025), ranking 555 of 2,115 municipalities.
How big is Langendorf?
Langendorf covers 1.9 km², with a density of 2,064 people per km².
Is the population of Langendorf growing?
Between 2015 and 2025, the population of Langendorf went from 3,749 to 3,983, a change of +6.2%.
Where is Langendorf?
Langendorf is in Solothurn. It belongs to Bezirk Lebern (district). Latitude 47.221, longitude 7.514.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Langendorf?
In Langendorf, “Entities in the commercial register per 1,000 inhabitants” stands at 39.7 (2026), ranking 1,759 of 1,811 municipalities; the national median is 64.9.
Share of jobs in services: what is the figure for Langendorf?
In Langendorf, “Share of jobs in services” stands at 89.0% (2024), ranking 91 of 1,804 municipalities; the national median is 63.6%.
How much electricity does a solar panel produce in Langendorf?
In Langendorf, a 1 kWp south-facing system tilted at 37° produces about 1,196 kWh a year.
Which municipalities border Langendorf?
The nearest to Langendorf are Bellach (1.3 km), Oberdorf (SO) (1.5 km), Rüttenen (1.6 km), Solothurn (2.2 km), Feldbrunnen-St. Niklaus (3.1 km).