Arni (BE): population and statistics
Arni (BE) has a population of 974 (2025) across 10.4 km², or 93.4 people per km². It ranks 1,469 of 2,115 municipalities by population. Its population is growing: +5.6% between 2015 and 2025.
- 974 residents
- 10.4 km²
- 93 people/km²
- 845 m
Key points
Among the 335 municipalities in Bern, Arni (BE) ranks No. 202 by population.
Share of foreign nationals: 2.8% in Arni (BE), compared with an average of 18.6% in Bern and 27.7% nationally.
Dwellings in buildings built before 1946: 63.8% in Arni (BE), compared with an average of 29.0% in Bern and 22.4% nationally.
A 1 kWp solar panel tilted at 40° generates about 1,214 kWh a year here.
Arni (BE) in numbers
Where is Arni (BE)?
Population of Arni (BE) over time
Arni (BE) had 922 residents in 2015 and 974 in 2025.
| Year | Population |
|---|---|
| 2020 | 936 |
| 2021 | 940 |
| 2022 | 951 |
| 2023 | 968 |
| 2024 | 983 |
| 2025 | 974 |
Did you know?
- “Share of foreign nationals”: lower than in 99% of municipalities.
- “Dwellings in buildings built before 1946”: higher than in 99% of municipalities.
- “Wood heating systems”: higher than in 98% of municipalities.
- Its area is roughly equal to 1,461 football pitches.
- Its population density is 2.5 times lower than the national average.
- The nearest municipality is Oberthal, 2.0 km away.
- The nearest more populous municipality is Biglen (1,879 residents), 3.0 km away.
All indicators for Arni (BE)
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 | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.8% | 22.7% | 20.7% | ranked 1,249 of 1,811 |
Housing
| Indicator | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 472 | 599,633 | 4,927,050 | ranked 1,552 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 63.8% | 29.0% | 23.3% | ranked 23 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 7.8% | 17.2% | 25.3% | ranked 1,741 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 55.9% | 54.1% | 69.5% | ranked 1,508 of 1,806 |
Energy
| Indicator | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 26.9% | 60.7% | 53.5% | ranked 1,684 of 1,806 | |
| Heat pumps as main heating (2026) | 13.1% | 14.3% | 13.7% | ranked 947 of 1,806 | |
| Wood heating systems (2026) | 56.0% | 14.7% | 12.4% | ranked 34 of 1,806 | |
| District heating (2026) | 0.4% | 5.7% | 1.4% | ranked 1,329 of 1,806 | |
| Photovoltaic installations (2026) | 58 | 40,598 | 329,600 | ranked 1,484 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,178 kW | 999.1 kW | 1,134 kW | ranked 858 of 1,806 | |
| Rooftop solar electricity potential (2026) | 14.6 GWh/year | 9,185 GWh/year | 64,783 GWh/year | ranked 1,255 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 15,021 kWh/inh. | 8,535 kWh/inh. | 9,356 kWh/inh. | ranked 250 of 1,810 |
Economy
| Indicator | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 86 | 80,971 | 728,011 | ranked 1,359 of 2,112 | |
| Entities listed in the commercial register (2026) | 41 | 67,347 | 762,757 | ranked 1,689 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 42.1 | 62.6 | 64.9 | ranked 1,729 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 51.2% | 64.8% | 65.7% | ranked 1,707 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 46.3% | 29.2% | 29.0% | ranked 48 of 1,808 |
Employment
| Indicator | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 255 | 677,492 | 5,679,518 | ranked 1,500 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 261.8 | 629.6 | 362.9 | ranked 1,321 of 1,810 | |
| Share of jobs in services (2024) | 27.1% | 70.3% | 63.6% | ranked 1,762 of 1,804 | |
| Share of jobs in industry and construction (2024) | 22.4% | 22.5% | 24.2% | ranked 966 of 1,776 |
Society
| Indicator | Arni (BE) | Bern | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 2.8% | 18.6% | 18.9% | ranked 1,800 of 1,811 |
Sunshine and temperatures: Arni (BE)
Frequently asked questions
What is the population of Arni (BE)?
Arni (BE) has 974 residents (2025), ranking 1,469 of 2,115 municipalities.
How big is Arni (BE)?
Arni (BE) covers 10.4 km², with a density of 93 people per km².
Is the population of Arni (BE) growing?
Between 2015 and 2025, the population of Arni (BE) went from 922 to 974, a change of +5.6%.
Where is Arni (BE)?
Arni (BE) is in Bern. It belongs to Verwaltungskreis Bern-Mittelland (district). Latitude 46.935, longitude 7.665.
Share of foreign nationals: what is the figure for Arni (BE)?
In Arni (BE), “Share of foreign nationals” stands at 2.8% (2025), ranking 1,800 of 1,811 municipalities; the national median is 18.9%.
Dwellings in buildings built before 1946: what is the figure for Arni (BE)?
In Arni (BE), “Dwellings in buildings built before 1946” stands at 63.8% (2026), ranking 23 of 1,806 municipalities; the national median is 23.3%.
How much electricity does a solar panel produce in Arni (BE)?
In Arni (BE), a 1 kWp south-facing system tilted at 40° produces about 1,214 kWh a year.
Which municipalities border Arni (BE)?
The nearest to Arni (BE) are Oberthal (2.0 km), Landiswil (2.7 km), Biglen (3.0 km), Walkringen (3.7 km), Zäziwil (3.9 km).