Aarwangen: population and statistics
Aarwangen has a population of 4,873 (2025) across 9.9 km², or 492 people per km². It ranks 452 of 2,115 municipalities by population. Its population is growing: +10.5% between 2015 and 2025.
- 4,873 residents
- 9.9 km²
- 492 people/km²
- 433 m
Key points
Among the 335 municipalities in Bern, Aarwangen ranks No. 45 by population.
Oil or gas heating systems: 71.7% in Aarwangen, compared with an average of 60.7% in Bern and 61.7% nationally.
Share of jobs in industry and construction: 39.6% in Aarwangen, compared with an average of 22.5% in Bern and 22.0% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,160 kWh a year here.
Aarwangen in numbers
Where is Aarwangen?
Population of Aarwangen over time
Aarwangen had 4,408 residents in 2015 and 4,873 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,638 |
| 2021 | 4,715 |
| 2022 | 4,793 |
| 2023 | 4,772 |
| 2024 | 4,813 |
| 2025 | 4,873 |
Did you know?
- Its area is roughly equal to 1,387 football pitches.
- Its population density is 2.1 times the national average.
- The nearest municipality is Schwarzhäusern, 1.4 km away.
- The nearest more populous municipality is Langenthal (16,233 residents), 3.2 km away.
- A 4 kWp rooftop solar system here would generate about 4,640 kWh a year, roughly what an average household uses.
All indicators for Aarwangen
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 | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 21.9% | 22.7% | 20.7% | ranked 702 of 1,811 |
Housing
| Indicator | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,320 | 599,633 | 4,927,050 | ranked 517 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 20.3% | 29.0% | 23.3% | ranked 1,046 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 24.4% | 17.2% | 25.3% | ranked 953 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 73.9% | 54.1% | 69.5% | ranked 611 of 1,806 |
Energy
| Indicator | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 71.7% | 60.7% | 53.5% | ranked 306 of 1,806 | |
| Heat pumps as main heating (2026) | 10.2% | 14.3% | 13.7% | ranked 1,219 of 1,806 | |
| Wood heating systems (2026) | 12.8% | 14.7% | 12.4% | ranked 883 of 1,806 | |
| District heating (2026) | 1.6% | 5.7% | 1.4% | ranked 859 of 1,806 | |
| Photovoltaic installations (2026) | 212 | 40,598 | 329,600 | ranked 477 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,060 kW | 999.1 kW | 1,134 kW | ranked 1,012 of 1,806 | |
| Rooftop solar electricity potential (2026) | 39.5 GWh/year | 9,185 GWh/year | 64,783 GWh/year | ranked 474 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,112 kWh/inh. | 8,535 kWh/inh. | 9,356 kWh/inh. | ranked 1,153 of 1,810 |
Economy
| Indicator | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 259 | 80,971 | 728,011 | ranked 595 of 2,112 | |
| Entities listed in the commercial register (2026) | 265 | 67,347 | 762,757 | ranked 569 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 54.4 | 62.6 | 64.9 | ranked 1,359 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 71.3% | 64.8% | 65.7% | ranked 432 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 25.7% | 29.2% | 29.0% | ranked 1,193 of 1,808 |
Employment
| Indicator | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,628 | 677,492 | 5,679,518 | ranked 573 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 334.1 | 629.6 | 362.9 | ranked 1,017 of 1,810 | |
| Share of jobs in services (2024) | 56.1% | 70.3% | 63.6% | ranked 1,156 of 1,804 | |
| Share of jobs in industry and construction (2024) | 39.6% | 22.5% | 24.2% | ranked 305 of 1,776 |
Society
| Indicator | Aarwangen | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 19.8% | 18.6% | 18.9% | ranked 835 of 1,811 |
Sunshine and temperatures: Aarwangen
Frequently asked questions
What is the population of Aarwangen?
Aarwangen has 4,873 residents (2025), ranking 452 of 2,115 municipalities.
How big is Aarwangen?
Aarwangen covers 9.9 km², with a density of 492 people per km².
Is the population of Aarwangen growing?
Between 2015 and 2025, the population of Aarwangen went from 4,408 to 4,873, a change of +10.5%.
Where is Aarwangen?
Aarwangen is in Bern. It belongs to Verwaltungskreis Oberaargau (district). Latitude 47.241, longitude 7.771.
Oil or gas heating systems: what is the figure for Aarwangen?
In Aarwangen, “Oil or gas heating systems” stands at 71.7% (2026), ranking 306 of 1,806 municipalities; the national median is 53.5%.
Share of jobs in industry and construction: what is the figure for Aarwangen?
In Aarwangen, “Share of jobs in industry and construction” stands at 39.6% (2024), ranking 305 of 1,776 municipalities; the national median is 24.2%.
How much electricity does a solar panel produce in Aarwangen?
In Aarwangen, a 1 kWp south-facing system tilted at 37° produces about 1,160 kWh a year.
Which municipalities border Aarwangen?
The nearest to Aarwangen are Schwarzhäusern (1.4 km), Bannwil (3.0 km), Langenthal (3.2 km), Wolfwil (3.5 km), Wynau (3.7 km).