Kienberg: population and statistics
Kienberg has a population of 526 (2025) across 8.5 km², or 61.7 people per km². It ranks 1,783 of 2,115 municipalities by population. Its population is growing: +1.0% between 2015 and 2025.
- 526 residents
- 8.5 km²
- 62 people/km²
- 569 m
Key points
Among the 106 municipalities in Solothurn, Kienberg ranks No. 96 by population.
District heating: 0.0% in Kienberg, compared with an average of 2.7% in Solothurn and 7.3% nationally.
Dwellings in buildings built since 2001: 12.5% in Kienberg, compared with an average of 21.9% in Solothurn and 24.6% nationally.
A 1 kWp solar panel tilted at 34° generates about 1,092 kWh a year here.
Kienberg in numbers
Where is Kienberg?
Population of Kienberg over time
Kienberg had 521 residents in 2015 and 526 in 2025.
| Year | Population |
|---|---|
| 2020 | 503 |
| 2021 | 496 |
| 2022 | 529 |
| 2023 | 528 |
| 2024 | 526 |
| 2025 | 526 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- “Dwellings in buildings built since 2001”: lower than in 90% of municipalities.
- Its area is roughly equal to 1,195 football pitches.
- Its population density is 3.8 times lower than the national average.
- The nearest municipality is Anwil, 2.3 km away.
- The nearest more populous municipality is Wölflinswil (1,105 residents), 3.1 km away.
- A 4 kWp rooftop solar system here would generate about 4,368 kWh a year, roughly what an average household uses.
All indicators for Kienberg
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 | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.7% | 21.7% | 20.7% | ranked 902 of 1,811 |
Housing
| Indicator | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 256 | 148,900 | 4,927,050 | ranked 1,845 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 41.4% | 22.0% | 23.3% | ranked 248 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 12.5% | 21.9% | 25.3% | ranked 1,619 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 72.1% | 70.1% | 69.5% | ranked 745 of 1,806 |
Energy
| Indicator | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 42.5% | 72.7% | 53.5% | ranked 1,295 of 1,806 | |
| Heat pumps as main heating (2026) | 12.1% | 11.4% | 13.7% | ranked 1,041 of 1,806 | |
| Wood heating systems (2026) | 39.7% | 8.1% | 12.4% | ranked 126 of 1,806 | |
| District heating (2026) | 0.0% | 2.7% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 34 | 11,211 | 329,600 | ranked 1,759 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,472 kW | 1,095 kW | 1,134 kW | ranked 558 of 1,806 | |
| Rooftop solar electricity potential (2026) | 7.7 GWh/year | 2,373 GWh/year | 64,783 GWh/year | ranked 1,718 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 14,620 kWh/inh. | 8,138 kWh/inh. | 9,356 kWh/inh. | ranked 273 of 1,810 |
Economy
| Indicator | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 44 | 18,596 | 728,011 | ranked 1,756 of 2,112 | |
| Entities listed in the commercial register (2026) | 27 | 18,362 | 762,757 | ranked 1,846 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 51.3 | 63.0 | 64.9 | ranked 1,478 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 55.6% | 65.9% | 65.7% | ranked 1,593 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 33.3% | 29.3% | 29.0% | ranked 525 of 1,808 |
Employment
| Indicator | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 116 | 151,633 | 5,679,518 | ranked 1,828 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 220.5 | 520.0 | 362.9 | ranked 1,486 of 1,810 | |
| Share of jobs in services (2024) | 39.7% | 67.4% | 63.6% | ranked 1,611 of 1,804 | |
| Share of jobs in industry and construction (2024) | 12.1% | 27.9% | 24.2% | ranked 1,465 of 1,776 |
Society
| Indicator | Kienberg | Solothurn | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 15.2% | 25.9% | 18.9% | ranked 1,181 of 1,811 |
Sunshine and temperatures: Kienberg
Frequently asked questions
What is the population of Kienberg?
Kienberg has 526 residents (2025), ranking 1,783 of 2,115 municipalities.
How big is Kienberg?
Kienberg covers 8.5 km², with a density of 62 people per km².
Is the population of Kienberg growing?
Between 2015 and 2025, the population of Kienberg went from 521 to 526, a change of +1.0%.
Where is Kienberg?
Kienberg is in Solothurn. It belongs to Bezirk Gösgen (district). Latitude 47.441, longitude 7.968.
District heating: what is the figure for Kienberg?
In Kienberg, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Dwellings in buildings built since 2001: what is the figure for Kienberg?
In Kienberg, “Dwellings in buildings built since 2001” stands at 12.5% (2026), ranking 1,619 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Kienberg?
In Kienberg, a 1 kWp south-facing system tilted at 34° produces about 1,092 kWh a year.
Which municipalities border Kienberg?
The nearest to Kienberg are Anwil (2.3 km), Oltingen (2.8 km), Oberhof (3.1 km), Wölflinswil (3.1 km), Wittnau (4.5 km).