Balgach: population and statistics
Balgach has a population of 5,229 (2025) across 6.5 km², or 802 people per km². It ranks 410 of 2,115 municipalities by population. Its population is growing: +16.3% between 2015 and 2025.
- 5,229 residents
- 6.5 km²
- 802 people/km²
- 406 m
Key points
Among the 75 municipalities in St. Gallen, Balgach ranks No. 38 by population.
Share of jobs in industry and construction: 61.7% in Balgach, compared with an average of 30.3% in St. Gallen and 22.0% nationally.
A 1 kWp solar panel tilted at 40° generates about 1,185 kWh a year here.
Balgach in numbers
Where is Balgach?
Population of Balgach over time
Balgach had 4,498 residents in 2015 and 5,229 in 2025.
| Year | Population |
|---|---|
| 2020 | 4,942 |
| 2021 | 4,995 |
| 2022 | 5,067 |
| 2023 | 5,139 |
| 2024 | 5,210 |
| 2025 | 5,229 |
Did you know?
- “Share of jobs in industry and construction”: higher than in 98% of municipalities.
- “Photovoltaic installations”: higher than in 91% of municipalities.
- Its area is roughly equal to 913 football pitches.
- Its population density is 3.5 times the national average.
- The nearest municipality is Rebstein, 1.2 km away.
- The nearest more populous municipality is Widnau (10,485 residents), 2.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,740 kWh a year, roughly what an average household uses.
All indicators for Balgach
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 | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.0% | 19.9% | 20.7% | ranked 1,406 of 1,811 |
Housing
| Indicator | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 2,584 | 280,853 | 4,927,050 | ranked 453 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 21.2% | 23.5% | 23.3% | ranked 1,008 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 34.4% | 24.8% | 25.3% | ranked 361 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 75.3% | 64.1% | 69.5% | ranked 513 of 1,806 |
Energy
| Indicator | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 61.9% | 52.2% | 53.5% | ranked 630 of 1,806 | |
| Heat pumps as main heating (2026) | 32.4% | 30.7% | 13.7% | ranked 194 of 1,806 | |
| Wood heating systems (2026) | 4.9% | 9.0% | 12.4% | ranked 1,457 of 1,806 | |
| District heating (2026) | 0.2% | 6.0% | 1.4% | ranked 1,461 of 1,806 | |
| Photovoltaic installations (2026) | 365 | 26,111 | 329,600 | ranked 192 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,493 kW | 1,325 kW | 1,134 kW | ranked 537 of 1,806 | |
| Rooftop solar electricity potential (2026) | 42.2 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 432 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,068 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,162 of 1,810 |
Economy
| Indicator | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 379 | 39,699 | 728,011 | ranked 375 of 2,112 | |
| Entities listed in the commercial register (2026) | 469 | 42,658 | 762,757 | ranked 313 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 89.7 | 78.4 | 64.9 | ranked 298 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 65.2% | 65.2% | 65.7% | ranked 946 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 31.3% | 29.2% | 29.0% | ranked 698 of 1,808 |
Employment
| Indicator | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 4,940 | 317,461 | 5,679,518 | ranked 195 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 944.7 | 583.5 | 362.9 | ranked 89 of 1,810 | |
| Share of jobs in services (2024) | 36.5% | 64.9% | 63.6% | ranked 1,667 of 1,804 | |
| Share of jobs in industry and construction (2024) | 61.7% | 30.3% | 24.2% | ranked 40 of 1,776 |
Society
| Indicator | Balgach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 24.8% | 27.2% | 18.9% | ranked 541 of 1,811 |
Sunshine and temperatures: Balgach
Frequently asked questions
What is the population of Balgach?
Balgach has 5,229 residents (2025), ranking 410 of 2,115 municipalities.
How big is Balgach?
Balgach covers 6.5 km², with a density of 802 people per km².
Is the population of Balgach growing?
Between 2015 and 2025, the population of Balgach went from 4,498 to 5,229, a change of +16.3%.
Where is Balgach?
Balgach is in St. Gallen. It belongs to Wahlkreis Rheintal (district). Latitude 47.400, longitude 9.600.
Share of jobs in industry and construction: what is the figure for Balgach?
In Balgach, “Share of jobs in industry and construction” stands at 61.7% (2024), ranking 40 of 1,776 municipalities; the national median is 24.2%.
Photovoltaic installations: what is the figure for Balgach?
In Balgach, “Photovoltaic installations” stands at 365 (2026), ranking 192 of 2,108 municipalities; the national median is 103.
How much electricity does a solar panel produce in Balgach?
In Balgach, a 1 kWp south-facing system tilted at 40° produces about 1,185 kWh a year.
Which municipalities border Balgach?
The nearest to Balgach are Rebstein (1.2 km), Widnau (2.5 km), Marbach (SG) (2.6 km), Reute (AR) (2.9 km), Berneck (2.9 km).