Marbach (SG): population and statistics
Marbach (SG) has a population of 2,147 (2025) across 4.4 km², or 490 people per km². It ranks 931 of 2,115 municipalities by population. Its population is growing: +0.5% between 2015 and 2025.
- 2,147 residents
- 4.4 km²
- 490 people/km²
- 425 m
Key points
Among the 75 municipalities in St. Gallen, Marbach (SG) ranks No. 63 by population.
Heat pumps as main heating: 42.7% in Marbach (SG), compared with an average of 30.7% in St. Gallen and 15.5% nationally.
Share of sole proprietorships among registered entities: 41.7% in Marbach (SG), compared with an average of 29.2% in St. Gallen and 26.1% nationally.
A 1 kWp solar panel tilted at 40° generates about 1,217 kWh a year here.
Marbach (SG) in numbers
Where is Marbach (SG)?
Population of Marbach (SG) over time
Marbach (SG) had 2,137 residents in 2015 and 2,147 in 2025.
| Year | Population |
|---|---|
| 2020 | 2,139 |
| 2021 | 2,106 |
| 2022 | 2,137 |
| 2023 | 2,118 |
| 2024 | 2,169 |
| 2025 | 2,147 |
Did you know?
- “Heat pumps as main heating”: higher than in 97% of municipalities.
- “Share of sole proprietorships among registered entities”: higher than in 93% of municipalities.
- “Share of single-family houses among residential buildings”: higher than in 92% of municipalities.
- Its area is roughly equal to 613 football pitches.
- Its population density is 2.1 times the national average.
- The nearest more populous municipality is Rebstein (5,084 residents), 1.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,868 kWh a year, roughly what an average household uses.
All indicators for Marbach (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 | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 19.2% | 19.9% | 20.7% | ranked 1,165 of 1,811 |
Housing
| Indicator | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,021 | 280,853 | 4,927,050 | ranked 1,033 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 25.6% | 23.5% | 23.3% | ranked 776 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 36.2% | 24.8% | 25.3% | ranked 287 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 81.9% | 64.1% | 69.5% | ranked 141 of 1,806 |
Energy
| Indicator | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 46.7% | 52.2% | 53.5% | ranked 1,149 of 1,806 | |
| Heat pumps as main heating (2026) | 42.7% | 30.7% | 13.7% | ranked 57 of 1,806 | |
| Wood heating systems (2026) | 9.1% | 9.0% | 12.4% | ranked 1,127 of 1,806 | |
| District heating (2026) | 0.1% | 6.0% | 1.4% | ranked 1,468 of 1,806 | |
| Photovoltaic installations (2026) | 193 | 26,111 | 329,600 | ranked 548 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,901 kW | 1,325 kW | 1,134 kW | ranked 261 of 1,806 | |
| Rooftop solar electricity potential (2026) | 22.4 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 932 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 10,419 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 732 of 1,810 |
Economy
| Indicator | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 152 | 39,699 | 728,011 | ranked 950 of 2,112 | |
| Entities listed in the commercial register (2026) | 163 | 42,658 | 762,757 | ranked 867 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 75.9 | 78.4 | 64.9 | ranked 540 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 55.8% | 65.2% | 65.7% | ranked 1,584 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 41.7% | 29.2% | 29.0% | ranked 125 of 1,808 |
Employment
| Indicator | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 719 | 317,461 | 5,679,518 | ranked 997 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 334.9 | 583.5 | 362.9 | ranked 1,011 of 1,810 | |
| Share of jobs in services (2024) | 60.6% | 64.9% | 63.6% | ranked 1,004 of 1,804 | |
| Share of jobs in industry and construction (2024) | 25.2% | 30.3% | 24.2% | ranked 838 of 1,776 |
Society
| Indicator | Marbach (SG) | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 21.1% | 27.2% | 18.9% | ranked 732 of 1,811 |
Sunshine and temperatures: Marbach (SG)
Frequently asked questions
What is the population of Marbach (SG)?
Marbach (SG) has 2,147 residents (2025), ranking 931 of 2,115 municipalities.
How big is Marbach (SG)?
Marbach (SG) covers 4.4 km², with a density of 490 people per km².
Is the population of Marbach (SG) growing?
Between 2015 and 2025, the population of Marbach (SG) went from 2,137 to 2,147, a change of +0.5%.
Where is Marbach (SG)?
Marbach (SG) is in St. Gallen. It belongs to Wahlkreis Rheintal (district). Latitude 47.392, longitude 9.568.
Heat pumps as main heating: what is the figure for Marbach (SG)?
In Marbach (SG), “Heat pumps as main heating” stands at 42.7% (2026), ranking 57 of 1,806 municipalities; the national median is 13.7%.
Share of sole proprietorships among registered entities: what is the figure for Marbach (SG)?
In Marbach (SG), “Share of sole proprietorships among registered entities” stands at 41.7% (2026), ranking 125 of 1,808 municipalities; the national median is 29.0%.
How much electricity does a solar panel produce in Marbach (SG)?
In Marbach (SG), a 1 kWp south-facing system tilted at 40° produces about 1,217 kWh a year.
Which municipalities border Marbach (SG)?
The nearest to Marbach (SG) are Rebstein (1.5 km), Altstätten (2.1 km), Balgach (2.6 km), Reute (AR) (3.1 km), Oberegg (3.6 km).