Kallern: population and statistics
Kallern has a population of 419 (2025) across 2.7 km², or 156 people per km². It ranks 1,885 of 2,115 municipalities by population. Its population is growing: +27.0% between 2015 and 2025.
- 419 residents
- 2.7 km²
- 156 people/km²
- 563 m
Key points
Among the 197 municipalities in Aargau, Kallern ranks No. 191 by population.
A 1 kWp solar panel tilted at 36° generates about 1,144 kWh a year here.
Kallern in numbers
Where is Kallern?
Population of Kallern over time
Kallern had 330 residents in 2015 and 419 in 2025.
| Year | Population |
|---|---|
| 2020 | 399 |
| 2021 | 411 |
| 2022 | 408 |
| 2023 | 407 |
| 2024 | 422 |
| 2025 | 419 |
Did you know?
- Number 1 in Aargau for “Share of limited companies (AG, GmbH) among registered entities”.
- “Dwellings”: lower than in 94% of municipalities.
- “Entities listed in the commercial register”: lower than in 92% of municipalities.
- “Photovoltaic installations”: lower than in 90% of municipalities.
- Its area is roughly equal to 375 football pitches.
- The nearest municipality is Uezwil, 1.5 km away.
- The nearest more populous municipality is Boswil (3,209 residents), 2.0 km away.
All indicators for Kallern
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 | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 15.5% | 19.5% | 20.7% |
Housing
| Indicator | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 163 | 355,613 | 4,927,050 | ranked 1,987 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 21.5% | 16.6% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 37.4% | 30.9% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 79.2% | 70.4% | 69.5% |
Energy
| Indicator | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 43.9% | 66.6% | 53.5% | ||
| Heat pumps as main heating (2026) | 4.9% | 11.6% | 13.7% | ||
| Wood heating systems (2026) | 37.8% | 8.3% | 12.4% | ||
| District heating (2026) | 4.9% | 6.5% | 1.4% | ||
| Photovoltaic installations (2026) | 25 | 26,039 | 329,600 | ranked 1,879 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,812 kW | 997.1 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 6.0 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,843 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 14,272 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 43 | 47,193 | 728,011 | ranked 1,770 of 2,112 | |
| Entities listed in the commercial register (2026) | 20 | 46,143 | 762,757 | ranked 1,924 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 47.7 | 62.0 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 85.0% | 66.6% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 15.0% | 29.1% | 29.0% |
Employment
| Indicator | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 112 | 364,295 | 5,679,518 | ranked 1,844 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 267.3 | 489.8 | 362.9 | ||
| Share of jobs in services (2024) | 54.5% | 69.1% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 8.9% | 26.5% | 24.2% |
Society
| Indicator | Kallern | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 9.8% | 28.1% | 18.9% |
Sunshine and temperatures: Kallern
Frequently asked questions
What is the population of Kallern?
Kallern has 419 residents (2025), ranking 1,885 of 2,115 municipalities.
How big is Kallern?
Kallern covers 2.7 km², with a density of 156 people per km².
Is the population of Kallern growing?
Between 2015 and 2025, the population of Kallern went from 330 to 419, a change of +27.0%.
Where is Kallern?
Kallern is in Aargau. It belongs to Bezirk Muri (district). Latitude 47.314, longitude 8.294.
Dwellings: what is the figure for Kallern?
In Kallern, “Dwellings” stands at 163 (2026), ranking 1,987 of 2,108 municipalities; the national median is 990.
Entities listed in the commercial register: what is the figure for Kallern?
In Kallern, “Entities listed in the commercial register” stands at 20 (2026), ranking 1,924 of 2,115 municipalities; the national median is 118.
How much electricity does a solar panel produce in Kallern?
In Kallern, a 1 kWp south-facing system tilted at 36° produces about 1,144 kWh a year.
Which municipalities border Kallern?
The nearest to Kallern are Uezwil (1.5 km), Boswil (2.0 km), Bünzen (2.4 km), Büttikon (2.6 km), Waltenschwil (2.6 km).