Killwangen: population and statistics
Killwangen has a population of 2,272 (2025) across 2.4 km², or 935 people per km². It ranks 900 of 2,115 municipalities by population. Its population is growing: +15.9% between 2015 and 2025.
- 2,272 residents
- 2.4 km²
- 935 people/km²
- 438 m
Key points
Among the 197 municipalities in Aargau, Killwangen ranks No. 102 by population.
Share of jobs in industry and construction: 57.4% in Killwangen, compared with an average of 26.5% in Aargau and 22.0% nationally.
Dwellings in buildings built since 2001: 42.8% in Killwangen, compared with an average of 30.9% in Aargau and 24.6% nationally.
A 1 kWp solar panel tilted at 34° generates about 1,116 kWh a year here.
Killwangen in numbers
Where is Killwangen?
Population of Killwangen over time
Killwangen had 1,960 residents in 2015 and 2,272 in 2025.
| Year | Population |
|---|---|
| 2020 | 2,051 |
| 2021 | 2,064 |
| 2022 | 2,072 |
| 2023 | 2,242 |
| 2024 | 2,304 |
| 2025 | 2,272 |
Did you know?
- “Share of jobs in industry and construction”: higher than in 96% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 95% of municipalities.
- “Installed photovoltaic capacity per 1,000 inhabitants”: lower than in 95% of municipalities.
- Its area is roughly equal to 340 football pitches.
- Its population density is 4.0 times the national average.
- The nearest more populous municipality is Würenlos (7,046 residents), 1.8 km away.
- A 4 kWp rooftop solar system here would generate about 4,464 kWh a year, roughly what an average household uses.
All indicators for Killwangen
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 | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.1% | 19.5% | 20.7% | ranked 1,500 of 1,811 |
Housing
| Indicator | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,042 | 355,613 | 4,927,050 | ranked 1,013 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 11.1% | 16.6% | 23.3% | ranked 1,551 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 42.8% | 30.9% | 25.3% | ranked 92 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 76.2% | 70.4% | 69.5% | ranked 465 of 1,806 |
Energy
| Indicator | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 69.0% | 66.6% | 53.5% | ranked 393 of 1,806 | |
| Heat pumps as main heating (2026) | 21.2% | 11.6% | 13.7% | ranked 515 of 1,806 | |
| Wood heating systems (2026) | 2.4% | 8.3% | 12.4% | ranked 1,666 of 1,806 | |
| District heating (2026) | 4.0% | 6.5% | 1.4% | ranked 543 of 1,806 | |
| Photovoltaic installations (2026) | 65 | 26,039 | 329,600 | ranked 1,401 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 433.4 kW | 997.1 kW | 1,134 kW | ranked 1,715 of 1,806 | |
| Rooftop solar electricity potential (2026) | 12.2 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,405 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 5,357 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,631 of 1,810 |
Economy
| Indicator | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 113 | 47,193 | 728,011 | ranked 1,157 of 2,112 | |
| Entities listed in the commercial register (2026) | 119 | 46,143 | 762,757 | ranked 1,047 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 52.4 | 62.0 | 64.9 | ranked 1,440 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 62.2% | 66.6% | 65.7% | ranked 1,218 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 34.5% | 29.1% | 29.0% | ranked 433 of 1,808 |
Employment
| Indicator | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 580 | 364,295 | 5,679,518 | ranked 1,089 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 255.3 | 489.8 | 362.9 | ranked 1,343 of 1,810 | |
| Share of jobs in services (2024) | 40.7% | 69.1% | 63.6% | ranked 1,585 of 1,804 | |
| Share of jobs in industry and construction (2024) | 57.4% | 26.5% | 24.2% | ranked 65 of 1,776 |
Society
| Indicator | Killwangen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 29.0% | 28.1% | 18.9% | ranked 338 of 1,811 |
Sunshine and temperatures: Killwangen
Frequently asked questions
What is the population of Killwangen?
Killwangen has 2,272 residents (2025), ranking 900 of 2,115 municipalities.
How big is Killwangen?
Killwangen covers 2.4 km², with a density of 935 people per km².
Is the population of Killwangen growing?
Between 2015 and 2025, the population of Killwangen went from 1,960 to 2,272, a change of +15.9%.
Where is Killwangen?
Killwangen is in Aargau. It belongs to Bezirk Baden (district). Latitude 47.432, longitude 8.346.
Share of jobs in industry and construction: what is the figure for Killwangen?
In Killwangen, “Share of jobs in industry and construction” stands at 57.4% (2024), ranking 65 of 1,776 municipalities; the national median is 24.2%.
Dwellings in buildings built since 2001: what is the figure for Killwangen?
In Killwangen, “Dwellings in buildings built since 2001” stands at 42.8% (2026), ranking 92 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Killwangen?
In Killwangen, a 1 kWp south-facing system tilted at 34° produces about 1,116 kWh a year.
Which municipalities border Killwangen?
The nearest to Killwangen are Würenlos (1.8 km), Neuenhof (2.1 km), Spreitenbach (2.1 km), Oberrohrdorf (2.5 km), Remetschwil (2.5 km).