Kleinlützel: population and statistics
Kleinlützel has a population of 1,190 (2025) across 16.3 km², or 72.9 people per km². It ranks 1,332 of 2,115 municipalities by population. Its population is falling: −5.4% between 2015 and 2025.
- 1,190 residents
- 16.3 km²
- 73 people/km²
- 424 m
Key points
Among the 106 municipalities in Solothurn, Kleinlützel ranks No. 66 by population.
Heat pumps as main heating: 2.9% in Kleinlützel, compared with an average of 11.4% in Solothurn and 15.5% nationally.
Share of jobs in services: 29.4% in Kleinlützel, compared with an average of 67.4% in Solothurn and 73.4% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,130 kWh a year here.
Kleinlützel in numbers
Where is Kleinlützel?
Population of Kleinlützel over time
Kleinlützel had 1,258 residents in 2015 and 1,190 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,218 |
| 2021 | 1,215 |
| 2022 | 1,191 |
| 2023 | 1,197 |
| 2024 | 1,197 |
| 2025 | 1,190 |
Did you know?
- “Heat pumps as main heating”: lower than in 98% of municipalities.
- “Share of jobs in services”: lower than in 97% of municipalities.
- “Share of people aged 65 and over”: higher than in 96% of municipalities.
- Its area is roughly equal to 2,286 football pitches.
- Its population density is 3.2 times lower than the national average.
- The nearest municipality is Liesberg, 2.7 km away.
- The nearest more populous municipality is Röschenz (1,960 residents), 4.5 km away.
All indicators for Kleinlützel
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 | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 29.1% | 21.7% | 20.7% | ranked 69 of 1,811 |
Housing
| Indicator | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 677 | 148,900 | 4,927,050 | ranked 1,304 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 38.0% | 22.0% | 23.3% | ranked 328 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 10.8% | 21.9% | 25.3% | ranked 1,658 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 79.1% | 70.1% | 69.5% | ranked 267 of 1,806 |
Energy
| Indicator | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 62.0% | 72.7% | 53.5% | ranked 627 of 1,806 | |
| Heat pumps as main heating (2026) | 2.9% | 11.4% | 13.7% | ranked 1,763 of 1,806 | |
| Wood heating systems (2026) | 28.8% | 8.1% | 12.4% | ranked 282 of 1,806 | |
| District heating (2026) | 0.7% | 2.7% | 1.4% | ranked 1,119 of 1,806 | |
| Photovoltaic installations (2026) | 83 | 11,211 | 329,600 | ranked 1,229 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,606 kW | 1,095 kW | 1,134 kW | ranked 427 of 1,806 | |
| Rooftop solar electricity potential (2026) | 14.4 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 1,272 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 12,076 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 507 of 1,810 |
Economy
| Indicator | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 102 | 18,596 | 728,011 | ranked 1,244 of 2,112 | |
| Entities listed in the commercial register (2026) | 65 | 18,362 | 762,757 | ranked 1,441 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 54.6 | 63.0 | 64.9 | ranked 1,353 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 52.3% | 65.9% | 65.7% | ranked 1,678 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 40.0% | 29.3% | 29.0% | ranked 164 of 1,808 |
Employment
| Indicator | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 357 | 151,633 | 5,679,518 | ranked 1,344 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 300.0 | 520.0 | 362.9 | ranked 1,163 of 1,810 | |
| Share of jobs in services (2024) | 29.4% | 67.4% | 63.6% | ranked 1,754 of 1,804 | |
| Share of jobs in industry and construction (2024) | 54.3% | 27.9% | 24.2% | ranked 85 of 1,776 |
Society
| Indicator | Kleinlützel | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 13.9% | 25.9% | 18.9% | ranked 1,268 of 1,811 |
Sunshine and temperatures: Kleinlützel
Frequently asked questions
What is the population of Kleinlützel?
Kleinlützel has 1,190 residents (2025), ranking 1,332 of 2,115 municipalities.
How big is Kleinlützel?
Kleinlützel covers 16.3 km², with a density of 73 people per km².
Is the population of Kleinlützel growing?
Between 2015 and 2025, the population of Kleinlützel went from 1,258 to 1,190, a change of −5.4%.
Where is Kleinlützel?
Kleinlützel is in Solothurn. It belongs to Bezirk Thierstein (district). Latitude 47.428, longitude 7.417.
Heat pumps as main heating: what is the figure for Kleinlützel?
In Kleinlützel, “Heat pumps as main heating” stands at 2.9% (2026), ranking 1,763 of 1,806 municipalities; the national median is 13.7%.
Share of jobs in services: what is the figure for Kleinlützel?
In Kleinlützel, “Share of jobs in services” stands at 29.4% (2024), ranking 1,754 of 1,804 municipalities; the national median is 63.6%.
How much electricity does a solar panel produce in Kleinlützel?
In Kleinlützel, a 1 kWp south-facing system tilted at 37° produces about 1,130 kWh a year.
Which municipalities border Kleinlützel?
The nearest to Kleinlützel are Liesberg (2.7 km), Burg im Leimental (3.8 km), Röschenz (4.5 km), Soyhières (4.9 km), Metzerlen-Mariastein (5.7 km).