Sevelen: population and statistics
Sevelen has a population of 5,405 (2025) across 30.3 km², or 178 people per km². It ranks 392 of 2,115 municipalities by population. Its population is growing: +12.0% between 2015 and 2025.
- 5,405 residents
- 30.3 km²
- 178 people/km²
- 474 m
Key points
Among the 75 municipalities in St. Gallen, Sevelen ranks No. 35 by population.
Share of foreign nationals: 40.9% in Sevelen, compared with an average of 27.2% in St. Gallen and 27.7% nationally.
Heat pumps as main heating: 39.9% in Sevelen, compared with an average of 30.7% in St. Gallen and 15.5% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,164 kWh a year here.
Sevelen in numbers
Where is Sevelen?
Population of Sevelen over time
Sevelen had 4,828 residents in 2015 and 5,405 in 2025.
| Year | Population |
|---|---|
| 2020 | 5,128 |
| 2021 | 5,210 |
| 2022 | 5,279 |
| 2023 | 5,392 |
| 2024 | 5,411 |
| 2025 | 5,405 |
Did you know?
- “Share of foreign nationals”: higher than in 96% of municipalities.
- “Heat pumps as main heating”: higher than in 96% of municipalities.
- “Share of jobs in industry and construction”: higher than in 93% of municipalities.
- Its area is roughly equal to 4,248 football pitches.
- The nearest municipality is Wartau, 4.2 km away.
- The nearest more populous municipality is Buchs (SG) (14,287 residents), 5.1 km away.
- A 4 kWp rooftop solar system here would generate about 4,656 kWh a year, roughly what an average household uses.
All indicators for Sevelen
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 | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.4% | 19.9% | 20.7% | ranked 1,461 of 1,811 |
Housing
| Indicator | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,769 | 280,853 | 4,927,050 | ranked 416 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 17.6% | 23.5% | 23.3% | ranked 1,213 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 29.5% | 24.8% | 25.3% | ranked 635 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 77.7% | 64.1% | 69.5% | ranked 367 of 1,806 |
Energy
| Indicator | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 41.3% | 52.2% | 53.5% | ranked 1,346 of 1,806 | |
| Heat pumps as main heating (2026) | 39.9% | 30.7% | 13.7% | ranked 81 of 1,806 | |
| Wood heating systems (2026) | 14.4% | 9.0% | 12.4% | ranked 798 of 1,806 | |
| District heating (2026) | 2.7% | 6.0% | 1.4% | ranked 678 of 1,806 | |
| Photovoltaic installations (2026) | 352 | 26,111 | 329,600 | ranked 204 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,429 kW | 1,325 kW | 1,134 kW | ranked 608 of 1,806 | |
| Rooftop solar electricity potential (2026) | 47.0 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 368 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,699 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,036 of 1,810 |
Economy
| Indicator | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 310 | 39,699 | 728,011 | ranked 490 of 2,112 | |
| Entities listed in the commercial register (2026) | 368 | 42,658 | 762,757 | ranked 409 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 68.1 | 78.4 | 64.9 | ranked 785 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 58.2% | 65.2% | 65.7% | ranked 1,482 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 37.8% | 29.2% | 29.0% | ranked 244 of 1,808 |
Employment
| Indicator | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,062 | 317,461 | 5,679,518 | ranked 452 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 381.5 | 583.5 | 362.9 | ranked 839 of 1,810 | |
| Share of jobs in services (2024) | 44.2% | 64.9% | 63.6% | ranked 1,499 of 1,804 | |
| Share of jobs in industry and construction (2024) | 50.4% | 30.3% | 24.2% | ranked 124 of 1,776 |
Society
| Indicator | Sevelen | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 40.9% | 27.2% | 18.9% | ranked 69 of 1,811 |
Sunshine and temperatures: Sevelen
Frequently asked questions
What is the population of Sevelen?
Sevelen has 5,405 residents (2025), ranking 392 of 2,115 municipalities.
How big is Sevelen?
Sevelen covers 30.3 km², with a density of 178 people per km².
Is the population of Sevelen growing?
Between 2015 and 2025, the population of Sevelen went from 4,828 to 5,405, a change of +12.0%.
Where is Sevelen?
Sevelen is in St. Gallen. It belongs to Wahlkreis Werdenberg (district). Latitude 47.120, longitude 9.486.
Share of foreign nationals: what is the figure for Sevelen?
In Sevelen, “Share of foreign nationals” stands at 40.9% (2025), ranking 69 of 1,811 municipalities; the national median is 18.9%.
Heat pumps as main heating: what is the figure for Sevelen?
In Sevelen, “Heat pumps as main heating” stands at 39.9% (2026), ranking 81 of 1,806 municipalities; the national median is 13.7%.
How much electricity does a solar panel produce in Sevelen?
In Sevelen, a 1 kWp south-facing system tilted at 38° produces about 1,164 kWh a year.
Which municipalities border Sevelen?
The nearest to Sevelen are Wartau (4.2 km), Buchs (SG) (5.1 km), Grabs (7.5 km), Sargans (8.8 km), Mels (9.4 km).