Hallwil: population and statistics
Hallwil has a population of 1,040 (2025) across 2.2 km², or 477 people per km². It ranks 1,436 of 2,115 municipalities by population. Its population is growing: +31.6% between 2015 and 2025.
- 1,040 residents
- 2.2 km²
- 477 people/km²
- 460 m
Key points
Among the 197 municipalities in Aargau, Hallwil ranks No. 163 by population.
District heating: 0.0% in Hallwil, compared with an average of 6.5% in Aargau and 7.3% nationally.
Entities in the commercial register per 1,000 inhabitants: 86.5 in Hallwil, compared with an average of 62.0 in Aargau and 83.6 nationally.
A 1 kWp solar panel tilted at 37° generates about 1,150 kWh a year here.
Hallwil in numbers
Where is Hallwil?
Population of Hallwil over time
Hallwil had 790 residents in 2015 and 1,040 in 2025.
| Year | Population |
|---|---|
| 2020 | 949 |
| 2021 | 990 |
| 2022 | 1,003 |
| 2023 | 1,021 |
| 2024 | 1,024 |
| 2025 | 1,040 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- Its area is roughly equal to 305 football pitches.
- Its population density is 2.1 times the national average.
- The nearest more populous municipality is Boniswil (1,795 residents), 1.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,600 kWh a year, roughly what an average household uses.
All indicators for Hallwil
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 | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.9% | 19.5% | 20.7% | ranked 1,419 of 1,811 |
Housing
| Indicator | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 530 | 355,613 | 4,927,050 | ranked 1,461 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 22.4% | 16.6% | 23.3% | ranked 943 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 31.3% | 30.9% | 25.3% | ranked 522 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 74.9% | 70.4% | 69.5% | ranked 544 of 1,806 |
Energy
| Indicator | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 64.7% | 66.6% | 53.5% | ranked 524 of 1,806 | |
| Heat pumps as main heating (2026) | 15.4% | 11.6% | 13.7% | ranked 798 of 1,806 | |
| Wood heating systems (2026) | 11.4% | 8.3% | 12.4% | ranked 962 of 1,806 | |
| District heating (2026) | 0.0% | 6.5% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 48 | 26,039 | 329,600 | ranked 1,585 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,004 kW | 997.1 kW | 1,134 kW | ranked 223 of 1,806 | |
| Rooftop solar electricity potential (2026) | 11.2 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,464 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 10,808 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 680 of 1,810 |
Economy
| Indicator | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 84 | 47,193 | 728,011 | ranked 1,376 of 2,112 | |
| Entities listed in the commercial register (2026) | 90 | 46,143 | 762,757 | ranked 1,234 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 86.5 | 62.0 | 64.9 | ranked 338 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 68.9% | 66.6% | 65.7% | ranked 603 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 27.8% | 29.1% | 29.0% | ranked 1,015 of 1,808 |
Employment
| Indicator | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 299 | 364,295 | 5,679,518 | ranked 1,423 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 287.5 | 489.8 | 362.9 | ranked 1,217 of 1,810 | |
| Share of jobs in services (2024) | 61.9% | 69.1% | 63.6% | ranked 958 of 1,804 | |
| Share of jobs in industry and construction (2024) | 34.5% | 26.5% | 24.2% | ranked 460 of 1,776 |
Society
| Indicator | Hallwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 22.6% | 28.1% | 18.9% | ranked 644 of 1,811 |
Sunshine and temperatures: Hallwil
Frequently asked questions
What is the population of Hallwil?
Hallwil has 1,040 residents (2025), ranking 1,436 of 2,115 municipalities.
How big is Hallwil?
Hallwil covers 2.2 km², with a density of 477 people per km².
Is the population of Hallwil growing?
Between 2015 and 2025, the population of Hallwil went from 790 to 1,040, a change of +31.6%.
Where is Hallwil?
Hallwil is in Aargau. It belongs to Bezirk Lenzburg (district). Latitude 47.330, longitude 8.179.
District heating: what is the figure for Hallwil?
In Hallwil, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Hallwil?
In Hallwil, “Entities in the commercial register per 1,000 inhabitants” stands at 86.5 (2026), ranking 338 of 1,811 municipalities; the national median is 64.9.
How much electricity does a solar panel produce in Hallwil?
In Hallwil, a 1 kWp south-facing system tilted at 37° produces about 1,150 kWh a year.
Which municipalities border Hallwil?
The nearest to Hallwil are Boniswil (1.5 km), Dürrenäsch (1.9 km), Seon (2.2 km), Egliswil (2.3 km), Seengen (2.3 km).