Rorschach: population and statistics
Rorschach has a population of 10,389 (2025) across 1.8 km², or 5,836 people per km². It ranks 175 of 2,115 municipalities by population. Its population is growing: +12.8% between 2015 and 2025.
- 10,389 residents
- 1.8 km²
- 5,836 people/km²
- 406 m
Key points
Among the 75 municipalities in St. Gallen, Rorschach ranks No. 11 by population.
Share of foreign nationals: 52.5% in Rorschach, compared with an average of 27.2% in St. Gallen and 27.7% nationally.
Share of single-family houses among residential buildings: 26.2% in Rorschach, compared with an average of 64.1% in St. Gallen and 56.9% nationally.
A 1 kWp solar panel tilted at 38° generates about 1,142 kWh a year here.
Rorschach in numbers
Where is Rorschach?
Population of Rorschach over time
Rorschach had 9,214 residents in 2015 and 10,389 in 2025.
| Year | Population |
|---|---|
| 2020 | 9,646 |
| 2021 | 9,545 |
| 2022 | 9,777 |
| 2023 | 9,955 |
| 2024 | 10,274 |
| 2025 | 10,389 |
Did you know?
- Number 1 in St. Gallen for “Population density”.
- “Share of foreign nationals”: higher than in 99% of municipalities.
- “Share of single-family houses among residential buildings”: lower than in 99% of municipalities.
- “Wood heating systems”: lower than in 99% of municipalities.
- Its area is roughly equal to 249 football pitches.
- Its population density is 25.1 times the national average.
- The nearest municipality is Rorschacherberg, 1.4 km away.
All indicators for Rorschach
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 | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 18.4% | 19.9% | 20.7% | ranked 1,328 of 1,811 |
Housing
| Indicator | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 6,048 | 280,853 | 4,927,050 | ranked 144 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 43.1% | 23.5% | 23.3% | ranked 206 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 16.6% | 24.8% | 25.3% | ranked 1,441 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 26.2% | 64.1% | 69.5% | ranked 1,793 of 1,806 |
Energy
| Indicator | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 69.2% | 52.2% | 53.5% | ranked 384 of 1,806 | |
| Heat pumps as main heating (2026) | 18.6% | 30.7% | 13.7% | ranked 623 of 1,806 | |
| Wood heating systems (2026) | 1.0% | 9.0% | 12.4% | ranked 1,780 of 1,806 | |
| District heating (2026) | 6.9% | 6.0% | 1.4% | ranked 358 of 1,806 | |
| Photovoltaic installations (2026) | 97 | 26,111 | 329,600 | ranked 1,111 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 308.3 kW | 1,325 kW | 1,134 kW | ranked 1,763 of 1,806 | |
| Rooftop solar electricity potential (2026) | 33.8 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 596 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 3,249 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,788 of 1,810 |
Economy
| Indicator | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 724 | 39,699 | 728,011 | ranked 182 of 2,112 | |
| Entities listed in the commercial register (2026) | 855 | 42,658 | 762,757 | ranked 154 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 82.3 | 78.4 | 64.9 | ranked 399 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 61.2% | 65.2% | 65.7% | ranked 1,286 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 33.6% | 29.2% | 29.0% | ranked 508 of 1,808 |
Employment
| Indicator | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 5,194 | 317,461 | 5,679,518 | ranked 184 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 500.0 | 583.5 | 362.9 | ranked 488 of 1,810 | |
| Share of jobs in services (2024) | 77.4% | 64.9% | 63.6% | ranked 403 of 1,804 | |
| Share of jobs in industry and construction (2024) | 22.6% | 30.3% | 24.2% | ranked 953 of 1,776 |
Society
| Indicator | Rorschach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 52.5% | 27.2% | 18.9% | ranked 7 of 1,811 |
Sunshine and temperatures: Rorschach
Frequently asked questions
What is the population of Rorschach?
Rorschach has 10,389 residents (2025), ranking 175 of 2,115 municipalities.
How big is Rorschach?
Rorschach covers 1.8 km², with a density of 5,836 people per km².
Is the population of Rorschach growing?
Between 2015 and 2025, the population of Rorschach went from 9,214 to 10,389, a change of +12.8%.
Where is Rorschach?
Rorschach is in St. Gallen. It belongs to Wahlkreis Rorschach (district). Latitude 47.479, longitude 9.494.
Share of foreign nationals: what is the figure for Rorschach?
In Rorschach, “Share of foreign nationals” stands at 52.5% (2025), ranking 7 of 1,811 municipalities; the national median is 18.9%.
Share of single-family houses among residential buildings: what is the figure for Rorschach?
In Rorschach, “Share of single-family houses among residential buildings” stands at 26.2% (2026), ranking 1,793 of 1,806 municipalities; the national median is 69.5%.
How much electricity does a solar panel produce in Rorschach?
In Rorschach, a 1 kWp south-facing system tilted at 38° produces about 1,142 kWh a year.
Which municipalities border Rorschach?
The nearest to Rorschach are Rorschacherberg (1.4 km), Goldach (2.1 km), Horn (3.0 km), Tübach (3.3 km), Untereggen (3.6 km).