Dietwil: population and statistics
Dietwil has a population of 1,476 (2025) across 5.5 km², or 269 people per km². It ranks 1,187 of 2,115 municipalities by population. Its population is growing: +14.7% between 2015 and 2025.
- 1,476 residents
- 5.5 km²
- 269 people/km²
- 440 m
Key points
Among the 197 municipalities in Aargau, Dietwil ranks No. 137 by population.
Share of people aged 65 and over: 13.8% in Dietwil, compared with an average of 19.5% in Aargau and 19.8% nationally.
Entities in the commercial register per 1,000 inhabitants: 40.0 in Dietwil, compared with an average of 62.0 in Aargau and 83.6 nationally.
A 1 kWp solar panel tilted at 38° generates about 1,160 kWh a year here.
Dietwil in numbers
Where is Dietwil?
Population of Dietwil over time
Dietwil had 1,287 residents in 2015 and 1,476 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,355 |
| 2021 | 1,419 |
| 2022 | 1,428 |
| 2023 | 1,445 |
| 2024 | 1,417 |
| 2025 | 1,476 |
Did you know?
- “Share of people aged 65 and over”: lower than in 98% of municipalities.
- “Entities in the commercial register per 1,000 inhabitants”: lower than in 97% of municipalities.
- “Jobs per 1,000 inhabitants”: lower than in 95% of municipalities.
- Its area is roughly equal to 769 football pitches.
- The nearest municipality is Oberrüti, 1.9 km away.
- The nearest more populous municipality is Risch (11,830 residents), 3.1 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 Dietwil
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 | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 13.8% | 19.5% | 20.7% | ranked 1,770 of 1,811 |
Housing
| Indicator | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 672 | 355,613 | 4,927,050 | ranked 1,308 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 17.1% | 16.6% | 23.3% | ranked 1,236 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 38.7% | 30.9% | 25.3% | ranked 200 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 59.9% | 70.4% | 69.5% | ranked 1,364 of 1,806 |
Energy
| Indicator | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 52.9% | 66.6% | 53.5% | ranked 932 of 1,806 | |
| Heat pumps as main heating (2026) | 16.1% | 11.6% | 13.7% | ranked 766 of 1,806 | |
| Wood heating systems (2026) | 19.2% | 8.3% | 12.4% | ranked 578 of 1,806 | |
| District heating (2026) | 5.7% | 6.5% | 1.4% | ranked 421 of 1,806 | |
| Photovoltaic installations (2026) | 68 | 26,039 | 329,600 | ranked 1,368 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,690 kW | 997.1 kW | 1,134 kW | ranked 378 of 1,806 | |
| Rooftop solar electricity potential (2026) | 12.1 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,411 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,171 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,142 of 1,810 |
Economy
| Indicator | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 73 | 47,193 | 728,011 | ranked 1,474 of 2,112 | |
| Entities listed in the commercial register (2026) | 59 | 46,143 | 762,757 | ranked 1,489 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 40.0 | 62.0 | 64.9 | ranked 1,756 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 64.4% | 66.6% | 65.7% | ranked 1,017 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 33.9% | 29.1% | 29.0% | ranked 484 of 1,808 |
Employment
| Indicator | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 221 | 364,295 | 5,679,518 | ranked 1,574 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 149.7 | 489.8 | 362.9 | ranked 1,728 of 1,810 | |
| Share of jobs in services (2024) | 44.3% | 69.1% | 63.6% | ranked 1,497 of 1,804 | |
| Share of jobs in industry and construction (2024) | 26.2% | 26.5% | 24.2% | ranked 794 of 1,776 |
Society
| Indicator | Dietwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 18.6% | 28.1% | 18.9% | ranked 931 of 1,811 |
Sunshine and temperatures: Dietwil
Frequently asked questions
What is the population of Dietwil?
Dietwil has 1,476 residents (2025), ranking 1,187 of 2,115 municipalities.
How big is Dietwil?
Dietwil covers 5.5 km², with a density of 269 people per km².
Is the population of Dietwil growing?
Between 2015 and 2025, the population of Dietwil went from 1,287 to 1,476, a change of +14.7%.
Where is Dietwil?
Dietwil is in Aargau. It belongs to Bezirk Muri (district). Latitude 47.149, longitude 8.392.
Share of people aged 65 and over: what is the figure for Dietwil?
In Dietwil, “Share of people aged 65 and over” stands at 13.8% (2025), ranking 1,770 of 1,811 municipalities; the national median is 20.7%.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Dietwil?
In Dietwil, “Entities in the commercial register per 1,000 inhabitants” stands at 40.0 (2026), ranking 1,756 of 1,811 municipalities; the national median is 64.9.
How much electricity does a solar panel produce in Dietwil?
In Dietwil, a 1 kWp south-facing system tilted at 38° produces about 1,160 kWh a year.
Which municipalities border Dietwil?
The nearest to Dietwil are Oberrüti (1.9 km), Gisikon (2.8 km), Risch (3.1 km), Root (3.7 km), Hünenberg (4.0 km).