Geltwil: population and statistics
Geltwil has a population of 242 (2025) across 3.3 km², or 73.8 people per km². It ranks 2,000 of 2,115 municipalities by population. Its population is growing: +20.4% between 2015 and 2025.
- 242 residents
- 3.3 km²
- 74 people/km²
- 681 m
Key points
Among the 197 municipalities in Aargau, Geltwil ranks No. 195 by population.
A 1 kWp solar panel tilted at 37° generates about 1,146 kWh a year here.
Geltwil in numbers
Where is Geltwil?
Population of Geltwil over time
Geltwil had 201 residents in 2015 and 242 in 2025.
| Year | Population |
|---|---|
| 2020 | 221 |
| 2021 | 212 |
| 2022 | 225 |
| 2023 | 232 |
| 2024 | 241 |
| 2025 | 242 |
Did you know?
- “Dwellings”: lower than in 98% of municipalities.
- “Establishments”: lower than in 95% of municipalities.
- “Jobs”: lower than in 94% of municipalities.
- Its area is roughly equal to 459 football pitches.
- Its population density is 3.1 times lower than the national average.
- The nearest more populous municipality is Buttwil (1,305 residents), 2.2 km away.
- A 4 kWp rooftop solar system here would generate about 4,584 kWh a year, roughly what an average household uses.
All indicators for Geltwil
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 | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 16.9% | 19.5% | 20.7% |
Housing
| Indicator | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 96 | 355,613 | 4,927,050 | ranked 2,058 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 19.8% | 16.6% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 49.0% | 30.9% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 69.8% | 70.4% | 69.5% |
Energy
| Indicator | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 35.0% | 66.6% | 53.5% | ||
| Heat pumps as main heating (2026) | 22.5% | 11.6% | 13.7% | ||
| Wood heating systems (2026) | 40.0% | 8.3% | 12.4% | ||
| District heating (2026) | 0.0% | 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) | 2,743 kW | 997.1 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 4.3 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,974 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 17,727 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 23 | 47,193 | 728,011 | ranked 1,992 of 2,112 | |
| Entities listed in the commercial register (2026) | 21 | 46,143 | 762,757 | ranked 1,914 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 86.8 | 62.0 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 61.9% | 66.6% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 33.3% | 29.1% | 29.0% |
Employment
| Indicator | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 63 | 364,295 | 5,679,518 | ranked 1,991 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 260.3 | 489.8 | 362.9 | ||
| Share of jobs in services (2024) | 49.2% | 69.1% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 12.7% | 26.5% | 24.2% |
Society
| Indicator | Geltwil | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 14.1% | 28.1% | 18.9% |
Sunshine and temperatures: Geltwil
Frequently asked questions
What is the population of Geltwil?
Geltwil has 242 residents (2025), ranking 2,000 of 2,115 municipalities.
How big is Geltwil?
Geltwil covers 3.3 km², with a density of 74 people per km².
Is the population of Geltwil growing?
Between 2015 and 2025, the population of Geltwil went from 201 to 242, a change of +20.4%.
Where is Geltwil?
Geltwil is in Aargau. It belongs to Bezirk Muri (district). Latitude 47.249, longitude 8.324.
Dwellings: what is the figure for Geltwil?
In Geltwil, “Dwellings” stands at 96 (2026), ranking 2,058 of 2,108 municipalities; the national median is 990.
Establishments: what is the figure for Geltwil?
In Geltwil, “Establishments” stands at 23 (2024), ranking 1,992 of 2,112 municipalities; the national median is 131.
How much electricity does a solar panel produce in Geltwil?
In Geltwil, a 1 kWp south-facing system tilted at 37° produces about 1,146 kWh a year.
Which municipalities border Geltwil?
The nearest to Geltwil are Buttwil (2.2 km), Beinwil (Freiamt) (2.6 km), Muri (AG) (3.1 km), Merenschwand (4.3 km), Aristau (5.0 km).