Sins: population and statistics
Sins has a population of 4,561 (2025) across 20.3 km², or 225 people per km². It ranks 488 of 2,115 municipalities by population. Its population is growing: +7.5% between 2015 and 2025.
- 4,561 residents
- 20.3 km²
- 225 people/km²
- 410 m
Key points
Among the 197 municipalities in Aargau, Sins ranks No. 52 by population.
Heat pumps as main heating: 36.7% in Sins, compared with an average of 11.6% in Aargau and 15.5% nationally.
Dwellings in buildings built since 2001: 40.0% in Sins, compared with an average of 30.9% in Aargau and 24.6% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,159 kWh a year here.
Sins in numbers
Where is Sins?
Population of Sins over time
Sins had 4,243 residents in 2015 and 4,561 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,299 |
| 2021 | 4,290 |
| 2022 | 4,352 |
| 2023 | 4,468 |
| 2024 | 4,491 |
| 2025 | 4,561 |
Did you know?
- “Heat pumps as main heating”: higher than in 93% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 92% of municipalities.
- Its area is roughly equal to 2,845 football pitches.
- The nearest more populous municipality is Hünenberg (8,985 residents), 2.8 km away.
- A 4 kWp rooftop solar system here would generate about 4,636 kWh a year, roughly what an average household uses.
All indicators for Sins
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 | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.6% | 19.5% | 20.7% | ranked 1,287 of 1,811 |
Housing
| Indicator | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,033 | 355,613 | 4,927,050 | ranked 592 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 16.5% | 16.6% | 23.3% | ranked 1,269 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 40.0% | 30.9% | 25.3% | ranked 149 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 64.6% | 70.4% | 69.5% | ranked 1,160 of 1,806 |
Energy
| Indicator | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 34.8% | 66.6% | 53.5% | ranked 1,524 of 1,806 | |
| Heat pumps as main heating (2026) | 36.7% | 11.6% | 13.7% | ranked 124 of 1,806 | |
| Wood heating systems (2026) | 9.6% | 8.3% | 12.4% | ranked 1,085 of 1,806 | |
| District heating (2026) | 16.3% | 6.5% | 1.4% | ranked 123 of 1,806 | |
| Photovoltaic installations (2026) | 219 | 26,039 | 329,600 | ranked 456 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,264 kW | 997.1 kW | 1,134 kW | ranked 149 of 1,806 | |
| Rooftop solar electricity potential (2026) | 60.1 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 242 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 13,179 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 389 of 1,810 |
Economy
| Indicator | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 394 | 47,193 | 728,011 | ranked 363 of 2,112 | |
| Entities listed in the commercial register (2026) | 309 | 46,143 | 762,757 | ranked 498 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 67.7 | 62.0 | 64.9 | ranked 800 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.0% | 66.6% | 65.7% | ranked 781 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 22.0% | 29.1% | 29.0% | ranked 1,483 of 1,808 |
Employment
| Indicator | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,369 | 364,295 | 5,679,518 | ranked 412 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 519.4 | 489.8 | 362.9 | ranked 453 of 1,810 | |
| Share of jobs in services (2024) | 44.5% | 69.1% | 63.6% | ranked 1,493 of 1,804 | |
| Share of jobs in industry and construction (2024) | 43.6% | 26.5% | 24.2% | ranked 218 of 1,776 |
Society
| Indicator | Sins | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 21.8% | 28.1% | 18.9% | ranked 695 of 1,811 |
Sunshine and temperatures: Sins
Frequently asked questions
What is the population of Sins?
Sins has 4,561 residents (2025), ranking 488 of 2,115 municipalities.
How big is Sins?
Sins covers 20.3 km², with a density of 225 people per km².
Is the population of Sins growing?
Between 2015 and 2025, the population of Sins went from 4,243 to 4,561, a change of +7.5%.
Where is Sins?
Sins is in Aargau. It belongs to Bezirk Muri (district). Latitude 47.191, longitude 8.397.
Heat pumps as main heating: what is the figure for Sins?
In Sins, “Heat pumps as main heating” stands at 36.7% (2026), ranking 124 of 1,806 municipalities; the national median is 13.7%.
Dwellings in buildings built since 2001: what is the figure for Sins?
In Sins, “Dwellings in buildings built since 2001” stands at 40.0% (2026), ranking 149 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Sins?
In Sins, a 1 kWp south-facing system tilted at 38° produces about 1,159 kWh a year.
Which municipalities border Sins?
The nearest to Sins are Hünenberg (2.8 km), Oberrüti (2.8 km), Auw (3.3 km), Abtwil (3.6 km), Mühlau (4.3 km).