Buchs (SG): population and statistics
Buchs (SG) has a population of 14,287 (2025) across 15.9 km², or 896 people per km². It ranks 101 of 2,115 municipalities by population. Its population is growing: +15.1% between 2015 and 2025.
- 14,287 residents
- 15.9 km²
- 896 people/km²
- 454 m
Key points
Among the 75 municipalities in St. Gallen, Buchs (SG) ranks No. 6 by population.
District heating: 45.8% in Buchs (SG), compared with an average of 6.0% in St. Gallen and 7.3% nationally.
Share of foreign nationals: 45.4% in Buchs (SG), compared with an average of 27.2% in St. Gallen and 27.7% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,206 kWh a year here.
Buchs (SG) in numbers
Where is Buchs (SG)?
Population of Buchs (SG) over time
Buchs (SG) had 12,414 residents in 2015 and 14,287 in 2025.
| Year | Population |
|---|---|
| 2020 | 13,053 |
| 2021 | 13,286 |
| 2022 | 13,605 |
| 2023 | 13,931 |
| 2024 | 14,038 |
| 2025 | 14,287 |
Did you know?
- Number 1 in St. Gallen for “District heating”.
- “District heating”: higher than in 99% of municipalities.
- “Share of foreign nationals”: higher than in 98% of municipalities.
- “Entities listed in the commercial register”: higher than in 96% of municipalities.
- Its area is roughly equal to 2,234 football pitches.
- Its population density is 3.9 times the national average.
- The nearest municipality is Grabs, 2.5 km away.
All indicators for Buchs (SG)
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 | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.2% | 19.9% | 20.7% | ranked 1,495 of 1,811 |
Housing
| Indicator | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 7,101 | 280,853 | 4,927,050 | ranked 112 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 15.0% | 23.5% | 23.3% | ranked 1,353 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 27.5% | 24.8% | 25.3% | ranked 754 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 67.3% | 64.1% | 69.5% | ranked 1,025 of 1,806 |
Energy
| Indicator | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 25.7% | 52.2% | 53.5% | ranked 1,700 of 1,806 | |
| Heat pumps as main heating (2026) | 22.1% | 30.7% | 13.7% | ranked 475 of 1,806 | |
| Wood heating systems (2026) | 5.2% | 9.0% | 12.4% | ranked 1,433 of 1,806 | |
| District heating (2026) | 45.8% | 6.0% | 1.4% | ranked 16 of 1,806 | |
| Photovoltaic installations (2026) | 477 | 26,111 | 329,600 | ranked 90 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,034 kW | 1,325 kW | 1,134 kW | ranked 1,054 of 1,806 | |
| Rooftop solar electricity potential (2026) | 88.1 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 118 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,166 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,517 of 1,810 |
Economy
| Indicator | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 1,030 | 39,699 | 728,011 | ranked 111 of 2,112 | |
| Entities listed in the commercial register (2026) | 1,297 | 42,658 | 762,757 | ranked 96 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 90.8 | 78.4 | 64.9 | ranked 289 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 63.5% | 65.2% | 65.7% | ranked 1,100 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 28.4% | 29.2% | 29.0% | ranked 957 of 1,808 |
Employment
| Indicator | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 8,268 | 317,461 | 5,679,518 | ranked 109 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 578.7 | 583.5 | 362.9 | ranked 339 of 1,810 | |
| Share of jobs in services (2024) | 76.0% | 64.9% | 63.6% | ranked 440 of 1,804 | |
| Share of jobs in industry and construction (2024) | 22.7% | 30.3% | 24.2% | ranked 948 of 1,776 |
Society
| Indicator | Buchs (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 45.4% | 27.2% | 18.9% | ranked 33 of 1,811 |
Sunshine and temperatures: Buchs (SG)
Frequently asked questions
What is the population of Buchs (SG)?
Buchs (SG) has 14,287 residents (2025), ranking 101 of 2,115 municipalities.
How big is Buchs (SG)?
Buchs (SG) covers 15.9 km², with a density of 896 people per km².
Is the population of Buchs (SG) growing?
Between 2015 and 2025, the population of Buchs (SG) went from 12,414 to 14,287, a change of +15.1%.
Where is Buchs (SG)?
Buchs (SG) is in St. Gallen. It belongs to Wahlkreis Werdenberg (district). Latitude 47.166, longitude 9.471.
District heating: what is the figure for Buchs (SG)?
In Buchs (SG), “District heating” stands at 45.8% (2026), ranking 16 of 1,806 municipalities; the national median is 1.4%.
Share of foreign nationals: what is the figure for Buchs (SG)?
In Buchs (SG), “Share of foreign nationals” stands at 45.4% (2025), ranking 33 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Buchs (SG)?
In Buchs (SG), a 1 kWp south-facing system tilted at 39° produces about 1,206 kWh a year.
Which municipalities border Buchs (SG)?
The nearest to Buchs (SG) are Grabs (2.5 km), Gams (4.8 km), Sevelen (5.1 km), Wartau (9.2 km), Sennwald (11 km).