Buttwil: population and statistics
Buttwil has a population of 1,305 (2025) across 4.6 km², or 286 people per km². It ranks 1,269 of 2,115 municipalities by population. Its population is growing: +11.0% between 2015 and 2025.
- 1,305 residents
- 4.6 km²
- 286 people/km²
- 647 m
Key points
Among the 197 municipalities in Aargau, Buttwil ranks No. 149 by population.
District heating: 0.0% in Buttwil, compared with an average of 6.5% in Aargau and 7.3% nationally.
Dwellings in buildings built before 1946: 7.3% in Buttwil, compared with an average of 16.6% in Aargau and 22.4% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,144 kWh a year here.
Buttwil in numbers
Where is Buttwil?
Population of Buttwil over time
Buttwil had 1,176 residents in 2015 and 1,305 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,234 |
| 2021 | 1,282 |
| 2022 | 1,274 |
| 2023 | 1,276 |
| 2024 | 1,297 |
| 2025 | 1,305 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- “Dwellings in buildings built before 1946”: lower than in 95% of municipalities.
- “Jobs per 1,000 inhabitants”: lower than in 94% of municipalities.
- Its area is roughly equal to 640 football pitches.
- The nearest municipality is Geltwil, 2.2 km away.
- The nearest more populous municipality is Muri (AG) (8,850 residents), 2.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,576 kWh a year, roughly what an average household uses.
All indicators for Buttwil
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 | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.0% | 19.5% | 20.7% | ranked 1,392 of 1,811 |
Housing
| Indicator | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 572 | 355,613 | 4,927,050 | ranked 1,410 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 7.3% | 16.6% | 23.3% | ranked 1,711 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 25.7% | 30.9% | 25.3% | ranked 873 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 79.0% | 70.4% | 69.5% | ranked 273 of 1,806 |
Energy
| Indicator | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 59.1% | 66.6% | 53.5% | ranked 721 of 1,806 | |
| Heat pumps as main heating (2026) | 15.4% | 11.6% | 13.7% | ranked 796 of 1,806 | |
| Wood heating systems (2026) | 13.9% | 8.3% | 12.4% | ranked 825 of 1,806 | |
| District heating (2026) | 0.0% | 6.5% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 86 | 26,039 | 329,600 | ranked 1,202 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,171 kW | 997.1 kW | 1,134 kW | ranked 868 of 1,806 | |
| Rooftop solar electricity potential (2026) | 12.0 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,416 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 9,188 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 938 of 1,810 |
Economy
| Indicator | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 74 | 47,193 | 728,011 | ranked 1,462 of 2,112 | |
| Entities listed in the commercial register (2026) | 63 | 46,143 | 762,757 | ranked 1,459 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 48.3 | 62.0 | 64.9 | ranked 1,571 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 63.5% | 66.6% | 65.7% | ranked 1,100 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 31.7% | 29.1% | 29.0% | ranked 667 of 1,808 |
Employment
| Indicator | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 208 | 364,295 | 5,679,518 | ranked 1,596 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 159.4 | 489.8 | 362.9 | ranked 1,696 of 1,810 | |
| Share of jobs in services (2024) | 70.7% | 69.1% | 63.6% | ranked 638 of 1,804 | |
| Share of jobs in industry and construction (2024) | 15.4% | 26.5% | 24.2% | ranked 1,326 of 1,776 |
Society
| Indicator | Buttwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 13.8% | 28.1% | 18.9% | ranked 1,273 of 1,811 |
Sunshine and temperatures: Buttwil
Frequently asked questions
What is the population of Buttwil?
Buttwil has 1,305 residents (2025), ranking 1,269 of 2,115 municipalities.
How big is Buttwil?
Buttwil covers 4.6 km², with a density of 286 people per km².
Is the population of Buttwil growing?
Between 2015 and 2025, the population of Buttwil went from 1,176 to 1,305, a change of +11.0%.
Where is Buttwil?
Buttwil is in Aargau. It belongs to Bezirk Muri (district). Latitude 47.268, longitude 8.311.
District heating: what is the figure for Buttwil?
In Buttwil, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Dwellings in buildings built before 1946: what is the figure for Buttwil?
In Buttwil, “Dwellings in buildings built before 1946” stands at 7.3% (2026), ranking 1,711 of 1,806 municipalities; the national median is 23.3%.
How much electricity does a solar panel produce in Buttwil?
In Buttwil, a 1 kWp south-facing system tilted at 37° produces about 1,144 kWh a year.
Which municipalities border Buttwil?
The nearest to Buttwil are Geltwil (2.2 km), Muri (AG) (2.4 km), Boswil (3.7 km), Schongau (4.0 km), Bettwil (4.3 km).