Mosnang: population and statistics
Mosnang has a population of 2,936 (2025) across 50.5 km², or 58.2 people per km². It ranks 743 of 2,115 municipalities by population. Its population is growing: +4.8% between 2015 and 2025.
- 2,936 residents
- 50.5 km²
- 58 people/km²
- 915 m
Key points
Among the 75 municipalities in St. Gallen, Mosnang ranks No. 58 by population.
Oil or gas heating systems: 18.3% in Mosnang, compared with an average of 52.2% in St. Gallen and 61.7% nationally.
Share of foreign nationals: 6.3% in Mosnang, compared with an average of 27.2% in St. Gallen and 27.7% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,143 kWh a year here.
Mosnang in numbers
Where is Mosnang?
Population of Mosnang over time
Mosnang had 2,802 residents in 2015 and 2,936 in 2025.
| Year | Population |
|---|---|
| 2020 | 2,889 |
| 2021 | 2,896 |
| 2022 | 2,920 |
| 2023 | 2,969 |
| 2024 | 2,981 |
| 2025 | 2,936 |
Did you know?
- “Oil or gas heating systems”: lower than in 98% of municipalities.
- “Share of foreign nationals”: lower than in 95% of municipalities.
- Its area is roughly equal to 7,067 football pitches.
- Its population density is 4.0 times lower than the national average.
- The nearest more populous municipality is Bütschwil-Ganterschwil (5,385 residents), 2.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,572 kWh a year, roughly what an average household uses.
All indicators for Mosnang
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 | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.8% | 19.9% | 20.7% | ranked 1,239 of 1,811 |
Housing
| Indicator | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,344 | 280,853 | 4,927,050 | ranked 851 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 34.8% | 23.5% | 23.3% | ranked 415 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 22.8% | 24.8% | 25.3% | ranked 1,059 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 79.4% | 64.1% | 69.5% | ranked 255 of 1,806 |
Energy
| Indicator | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 18.3% | 52.2% | 53.5% | ranked 1,772 of 1,806 | |
| Heat pumps as main heating (2026) | 42.8% | 30.7% | 13.7% | ranked 54 of 1,806 | |
| Wood heating systems (2026) | 35.8% | 9.0% | 12.4% | ranked 169 of 1,806 | |
| District heating (2026) | 0.7% | 6.0% | 1.4% | ranked 1,119 of 1,806 | |
| Photovoltaic installations (2026) | 234 | 26,111 | 329,600 | ranked 411 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,545 kW | 1,325 kW | 1,134 kW | ranked 494 of 1,806 | |
| Rooftop solar electricity potential (2026) | 38.0 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 507 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 12,943 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 419 of 1,810 |
Economy
| Indicator | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 315 | 39,699 | 728,011 | ranked 480 of 2,112 | |
| Entities listed in the commercial register (2026) | 178 | 42,658 | 762,757 | ranked 809 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 60.6 | 78.4 | 64.9 | ranked 1,087 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 59.6% | 65.2% | 65.7% | ranked 1,397 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 34.3% | 29.2% | 29.0% | ranked 450 of 1,808 |
Employment
| Indicator | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,265 | 317,461 | 5,679,518 | ranked 706 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 430.9 | 583.5 | 362.9 | ranked 663 of 1,810 | |
| Share of jobs in services (2024) | 45.8% | 64.9% | 63.6% | ranked 1,460 of 1,804 | |
| Share of jobs in industry and construction (2024) | 27.7% | 30.3% | 24.2% | ranked 733 of 1,776 |
Society
| Indicator | Mosnang | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 6.3% | 27.2% | 18.9% | ranked 1,722 of 1,811 |
Sunshine and temperatures: Mosnang
Frequently asked questions
What is the population of Mosnang?
Mosnang has 2,936 residents (2025), ranking 743 of 2,115 municipalities.
How big is Mosnang?
Mosnang covers 50.5 km², with a density of 58 people per km².
Is the population of Mosnang growing?
Between 2015 and 2025, the population of Mosnang went from 2,802 to 2,936, a change of +4.8%.
Where is Mosnang?
Mosnang is in St. Gallen. It belongs to Wahlkreis Toggenburg (district). Latitude 47.350, longitude 9.033.
Oil or gas heating systems: what is the figure for Mosnang?
In Mosnang, “Oil or gas heating systems” stands at 18.3% (2026), ranking 1,772 of 1,806 municipalities; the national median is 53.5%.
Share of foreign nationals: what is the figure for Mosnang?
In Mosnang, “Share of foreign nationals” stands at 6.3% (2025), ranking 1,722 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Mosnang?
In Mosnang, a 1 kWp south-facing system tilted at 39° produces about 1,143 kWh a year.
Which municipalities border Mosnang?
The nearest to Mosnang are Bütschwil-Ganterschwil (2.5 km), Lichtensteig (5.3 km), Kirchberg (SG) (5.6 km), Lütisburg (6.1 km), Wattwil (7.1 km).