Altendorf: population and statistics
Altendorf has a population of 7,539 (2025) across 20.5 km², or 368 people per km². It ranks 262 of 2,115 municipalities by population. Its population is growing: +11.8% between 2015 and 2025.
- 7,539 residents
- 20.5 km²
- 368 people/km²
- 427 m
Key points
Among the 30 municipalities in Schwyz, Altendorf ranks No. 10 by population.
Entities in the commercial register per 1,000 inhabitants: 177.7 in Altendorf, compared with an average of 133.6 in Schwyz and 83.6 nationally.
Dwellings in buildings built since 2001: 48.5% in Altendorf, compared with an average of 33.5% in Schwyz and 24.6% nationally.
A 1 kWp solar panel tilted at 40° generates about 1,105 kWh a year here.
Altendorf in numbers
Where is Altendorf?
Population of Altendorf over time
Altendorf had 6,744 residents in 2015 and 7,539 in 2025.
| Year | Population |
|---|---|
| 2020 | 7,111 |
| 2021 | 7,185 |
| 2022 | 7,215 |
| 2023 | 7,369 |
| 2024 | 7,426 |
| 2025 | 7,539 |
Did you know?
- Number 1 in Schwyz for “Dwellings in buildings built since 2001”.
- “Entities in the commercial register per 1,000 inhabitants”: higher than in 99% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 98% of municipalities.
- “Jobs”: higher than in 90% of municipalities.
- Its area is roughly equal to 2,871 football pitches.
- The nearest municipality is Lachen, 2.0 km away.
- The nearest more populous municipality is Rapperswil-Jona (28,836 residents), 4.0 km away.
All indicators for Altendorf
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 | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 19.5% | 20.4% | 20.7% | ranked 1,125 of 1,811 |
Housing
| Indicator | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,591 | 85,978 | 4,927,050 | ranked 299 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 8.0% | 14.2% | 23.3% | ranked 1,690 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 48.5% | 33.5% | 25.3% | ranked 31 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 61.8% | 53.5% | 69.5% | ranked 1,288 of 1,806 |
Energy
| Indicator | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 60.9% | 55.5% | 53.5% | ranked 651 of 1,806 | |
| Heat pumps as main heating (2026) | 10.1% | 12.1% | 13.7% | ranked 1,235 of 1,806 | |
| Wood heating systems (2026) | 16.6% | 15.4% | 12.4% | ranked 686 of 1,806 | |
| District heating (2026) | 3.0% | 8.9% | 1.4% | ranked 647 of 1,806 | |
| Photovoltaic installations (2026) | 247 | 5,032 | 329,600 | ranked 374 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 821.2 kW | 900.4 kW | 1,134 kW | ranked 1,339 of 1,806 | |
| Rooftop solar electricity potential (2026) | 45.5 GWh/year | 1,061 GWh/year | 64,783 GWh/year | ranked 384 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,042 kWh/inh. | 6,237 kWh/inh. | 9,356 kWh/inh. | ranked 1,536 of 1,810 |
Economy
| Indicator | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 826 | 16,724 | 728,011 | ranked 147 of 2,112 | |
| Entities listed in the commercial register (2026) | 1,340 | 22,716 | 762,757 | ranked 91 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 177.7 | 133.6 | 64.9 | ranked 24 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 85.7% | 77.3% | 65.7% | ranked 18 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 12.5% | 19.0% | 29.0% | ranked 1,780 of 1,808 |
Employment
| Indicator | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 4,549 | 92,873 | 5,679,518 | ranked 215 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 603.4 | 546.1 | 362.9 | ranked 316 of 1,810 | |
| Share of jobs in services (2024) | 71.5% | 68.3% | 63.6% | ranked 605 of 1,804 | |
| Share of jobs in industry and construction (2024) | 24.7% | 25.6% | 24.2% | ranked 864 of 1,776 |
Society
| Indicator | Altendorf | Schwyz | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 23.8% | 24.3% | 18.9% | ranked 582 of 1,811 |
Sunshine and temperatures: Altendorf
Frequently asked questions
What is the population of Altendorf?
Altendorf has 7,539 residents (2025), ranking 262 of 2,115 municipalities.
How big is Altendorf?
Altendorf covers 20.5 km², with a density of 368 people per km².
Is the population of Altendorf growing?
Between 2015 and 2025, the population of Altendorf went from 6,744 to 7,539, a change of +11.8%.
Where is Altendorf?
Altendorf is in Schwyz. It belongs to Bezirk March (district). Latitude 47.192, longitude 8.830.
Entities in the commercial register per 1,000 inhabitants: what is the figure for Altendorf?
In Altendorf, “Entities in the commercial register per 1,000 inhabitants” stands at 177.7 (2026), ranking 24 of 1,811 municipalities; the national median is 64.9.
Dwellings in buildings built since 2001: what is the figure for Altendorf?
In Altendorf, “Dwellings in buildings built since 2001” stands at 48.5% (2026), ranking 31 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Altendorf?
In Altendorf, a 1 kWp south-facing system tilted at 40° produces about 1,105 kWh a year.
Which municipalities border Altendorf?
The nearest to Altendorf are Lachen (2.0 km), Galgenen (3.6 km), Rapperswil-Jona (4.0 km), Wangen (SZ) (5.0 km), Freienbach (5.6 km).