Wittenbach: population and statistics
Wittenbach has a population of 10,157 (2025) across 12.2 km², or 831 people per km². It ranks 178 of 2,115 municipalities by population. Its population is growing: +5.2% between 2015 and 2025.
- 10,157 residents
- 12.2 km²
- 831 people/km²
- 589 m
Key points
Among the 75 municipalities in St. Gallen, Wittenbach ranks No. 12 by population.
Heat pumps as main heating: 36.2% in Wittenbach, compared with an average of 30.7% in St. Gallen and 15.5% nationally.
Dwellings in buildings built before 1946: 9.3% in Wittenbach, compared with an average of 23.5% in St. Gallen and 22.4% nationally.
A 1 kWp solar panel tilted at 39° generates about 1,144 kWh a year here.
Wittenbach in numbers
Where is Wittenbach?
Population of Wittenbach over time
Wittenbach had 9,652 residents in 2015 and 10,157 in 2025.
| Year | Population |
|---|---|
| 2020 | 9,747 |
| 2021 | 9,847 |
| 2022 | 9,914 |
| 2023 | 10,026 |
| 2024 | 10,142 |
| 2025 | 10,157 |
Did you know?
- “Heat pumps as main heating”: higher than in 93% of municipalities.
- “Dwellings in buildings built before 1946”: lower than in 91% of municipalities.
- Its area is roughly equal to 1,711 football pitches.
- Its population density is 3.6 times the national average.
- The nearest municipality is Häggenschwil, 2.9 km away.
- The nearest more populous municipality is St. Gallen (79,487 residents), 4.8 km away.
- A 4 kWp rooftop solar system here would generate about 4,576 kWh a year, roughly what an average household uses.
All indicators for Wittenbach
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 | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 22.6% | 19.9% | 20.7% | ranked 604 of 1,811 |
Housing
| Indicator | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 4,807 | 280,853 | 4,927,050 | ranked 208 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 9.3% | 23.5% | 23.3% | ranked 1,648 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 22.1% | 24.8% | 25.3% | ranked 1,113 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 67.4% | 64.1% | 69.5% | ranked 1,017 of 1,806 |
Energy
| Indicator | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 47.5% | 52.2% | 53.5% | ranked 1,125 of 1,806 | |
| Heat pumps as main heating (2026) | 36.2% | 30.7% | 13.7% | ranked 131 of 1,806 | |
| Wood heating systems (2026) | 6.0% | 9.0% | 12.4% | ranked 1,365 of 1,806 | |
| District heating (2026) | 9.7% | 6.0% | 1.4% | ranked 242 of 1,806 | |
| Photovoltaic installations (2026) | 360 | 26,111 | 329,600 | ranked 197 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,032 kW | 1,325 kW | 1,134 kW | ranked 1,056 of 1,806 | |
| Rooftop solar electricity potential (2026) | 53.9 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 288 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 5,307 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,639 of 1,810 |
Economy
| Indicator | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 456 | 39,699 | 728,011 | ranked 309 of 2,112 | |
| Entities listed in the commercial register (2026) | 531 | 42,658 | 762,757 | ranked 276 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 52.3 | 78.4 | 64.9 | ranked 1,444 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 62.3% | 65.2% | 65.7% | ranked 1,212 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 33.3% | 29.2% | 29.0% | ranked 525 of 1,808 |
Employment
| Indicator | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 3,486 | 317,461 | 5,679,518 | ranked 283 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 343.2 | 583.5 | 362.9 | ranked 974 of 1,810 | |
| Share of jobs in services (2024) | 69.1% | 64.9% | 63.6% | ranked 690 of 1,804 | |
| Share of jobs in industry and construction (2024) | 28.2% | 30.3% | 24.2% | ranked 700 of 1,776 |
Society
| Indicator | Wittenbach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 29.4% | 27.2% | 18.9% | ranked 322 of 1,811 |
Sunshine and temperatures: Wittenbach
Frequently asked questions
What is the population of Wittenbach?
Wittenbach has 10,157 residents (2025), ranking 178 of 2,115 municipalities.
How big is Wittenbach?
Wittenbach covers 12.2 km², with a density of 831 people per km².
Is the population of Wittenbach growing?
Between 2015 and 2025, the population of Wittenbach went from 9,652 to 10,157, a change of +5.2%.
Where is Wittenbach?
Wittenbach is in St. Gallen. It belongs to Wahlkreis St. Gallen (district). Latitude 47.467, longitude 9.380.
Heat pumps as main heating: what is the figure for Wittenbach?
In Wittenbach, “Heat pumps as main heating” stands at 36.2% (2026), ranking 131 of 1,806 municipalities; the national median is 13.7%.
Dwellings in buildings built before 1946: what is the figure for Wittenbach?
In Wittenbach, “Dwellings in buildings built before 1946” stands at 9.3% (2026), ranking 1,648 of 1,806 municipalities; the national median is 23.3%.
How much electricity does a solar panel produce in Wittenbach?
In Wittenbach, a 1 kWp south-facing system tilted at 39° produces about 1,144 kWh a year.
Which municipalities border Wittenbach?
The nearest to Wittenbach are Häggenschwil (2.9 km), Berg (SG) (3.0 km), Mörschwil (3.5 km), Roggwil (TG) (3.8 km), St. Gallen (4.8 km).