Wildhaus-Alt St. Johann: population and statistics
Wildhaus-Alt St. Johann has a population of 2,614 (2025) across 87.5 km², or 29.9 people per km². It ranks 815 of 2,115 municipalities by population. Its population is falling: −2.0% between 2015 and 2025.
- 2,614 residents
- 87.5 km²
- 30 people/km²
- 1,227 m
Key points
Among the 75 municipalities in St. Gallen, Wildhaus-Alt St. Johann ranks No. 60 by population.
Rooftop solar potential per inhabitant: 22,391 kWh/inh. in Wildhaus-Alt St. Johann, compared with an average of 7,485 kWh/inh. in St. Gallen and 7,100 kWh/inh. nationally.
Dwellings in buildings built since 2001: 8.1% in Wildhaus-Alt St. Johann, compared with an average of 24.8% in St. Gallen and 24.6% nationally.
A 1 kWp solar panel tilted at 26° generates about 977 kWh a year here.
Wildhaus-Alt St. Johann in numbers
Where is Wildhaus-Alt St. Johann?
Population of Wildhaus-Alt St. Johann over time
Wildhaus-Alt St. Johann had 2,667 residents in 2015 and 2,614 in 2025.
| Year | Population |
|---|---|
| 2020 | 2,624 |
| 2021 | 2,607 |
| 2022 | 2,612 |
| 2023 | 2,618 |
| 2024 | 2,601 |
| 2025 | 2,614 |
Did you know?
- Number 1 in St. Gallen for “Elevation”.
- Number 1 in St. Gallen for “Rooftop solar potential per inhabitant”.
- “Rooftop solar potential per inhabitant”: higher than in 97% of municipalities.
- “Dwellings in buildings built since 2001”: lower than in 96% of municipalities.
- “Share of people aged 65 and over”: higher than in 94% of municipalities.
- Its area is roughly equal to 12,259 football pitches.
- Its population density is 7.8 times lower than the national average.
All indicators for Wildhaus-Alt St. Johann
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 | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 27.5% | 19.9% | 20.7% | ranked 116 of 1,811 |
Housing
| Indicator | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,452 | 280,853 | 4,927,050 | ranked 316 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 31.5% | 23.5% | 23.3% | ranked 534 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 8.1% | 24.8% | 25.3% | ranked 1,730 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 73.2% | 64.1% | 69.5% | ranked 661 of 1,806 |
Energy
| Indicator | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 30.6% | 52.2% | 53.5% | ranked 1,622 of 1,806 | |
| Heat pumps as main heating (2026) | 25.9% | 30.7% | 13.7% | ranked 348 of 1,806 | |
| Wood heating systems (2026) | 23.9% | 9.0% | 12.4% | ranked 395 of 1,806 | |
| District heating (2026) | 7.3% | 6.0% | 1.4% | ranked 341 of 1,806 | |
| Photovoltaic installations (2026) | 226 | 26,111 | 329,600 | ranked 439 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,728 kW | 1,325 kW | 1,134 kW | ranked 362 of 1,806 | |
| Rooftop solar electricity potential (2026) | 58.5 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 252 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 22,391 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 54 of 1,810 |
Economy
| Indicator | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 314 | 39,699 | 728,011 | ranked 482 of 2,112 | |
| Entities listed in the commercial register (2026) | 240 | 42,658 | 762,757 | ranked 637 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 91.8 | 78.4 | 64.9 | ranked 276 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 70.0% | 65.2% | 65.7% | ranked 518 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 22.1% | 29.2% | 29.0% | ranked 1,474 of 1,808 |
Employment
| Indicator | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,645 | 317,461 | 5,679,518 | ranked 569 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 629.3 | 583.5 | 362.9 | ranked 271 of 1,810 | |
| Share of jobs in services (2024) | 65.5% | 64.9% | 63.6% | ranked 824 of 1,804 | |
| Share of jobs in industry and construction (2024) | 20.1% | 30.3% | 24.2% | ranked 1,100 of 1,776 |
Society
| Indicator | Wildhaus-Alt St. Johann | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 16.0% | 27.2% | 18.9% | ranked 1,116 of 1,811 |
Sunshine and temperatures: Wildhaus-Alt St. Johann
Frequently asked questions
What is the population of Wildhaus-Alt St. Johann?
Wildhaus-Alt St. Johann has 2,614 residents (2025), ranking 815 of 2,115 municipalities.
How big is Wildhaus-Alt St. Johann?
Wildhaus-Alt St. Johann covers 87.5 km², with a density of 30 people per km².
Is the population of Wildhaus-Alt St. Johann growing?
Between 2015 and 2025, the population of Wildhaus-Alt St. Johann went from 2,667 to 2,614, a change of −2.0%.
Where is Wildhaus-Alt St. Johann?
Wildhaus-Alt St. Johann is in St. Gallen. It belongs to Wahlkreis Toggenburg (district). Latitude 47.183, longitude 9.283.
Rooftop solar potential per inhabitant: what is the figure for Wildhaus-Alt St. Johann?
In Wildhaus-Alt St. Johann, “Rooftop solar potential per inhabitant” stands at 22,391 kWh/inh. (2026), ranking 54 of 1,810 municipalities; the national median is 9,356 kWh/inh..
Dwellings in buildings built since 2001: what is the figure for Wildhaus-Alt St. Johann?
In Wildhaus-Alt St. Johann, “Dwellings in buildings built since 2001” stands at 8.1% (2026), ranking 1,730 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Wildhaus-Alt St. Johann?
In Wildhaus-Alt St. Johann, a 1 kWp south-facing system tilted at 26° produces about 977 kWh a year.
Which municipalities border Wildhaus-Alt St. Johann?
The nearest to Wildhaus-Alt St. Johann are Walenstadt (7.1 km), Nesslau (7.1 km), Quarten (10 km), Flums (11 km), Amden (11 km).