Sulgen: population and statistics
Sulgen has a population of 4,186 (2025) across 9.1 km², or 460 people per km². It ranks 535 of 2,115 municipalities by population. Its population is growing: +12.9% between 2015 and 2025.
- 4,186 residents
- 9.1 km²
- 460 people/km²
- 481 m
Key points
Among the 80 municipalities in Thurgau, Sulgen ranks No. 17 by population.
Share of jobs in industry and construction: 57.5% in Sulgen, compared with an average of 28.3% in Thurgau and 22.0% nationally.
Installed photovoltaic capacity per 1,000 inhabitants: 2,462 kW in Sulgen, compared with an average of 1,628 kW in Thurgau and 919.4 kW nationally.
A 1 kWp solar panel tilted at 38° generates about 1,151 kWh a year here.
Sulgen in numbers
Where is Sulgen?
Population of Sulgen over time
Sulgen had 3,708 residents in 2015 and 4,186 in 2025.
| Year | Population |
|---|---|
| 2020 | 3,957 |
| 2021 | 4,033 |
| 2022 | 4,056 |
| 2023 | 4,063 |
| 2024 | 4,152 |
| 2025 | 4,186 |
Did you know?
- “Share of jobs in industry and construction”: higher than in 96% of municipalities.
- “Installed photovoltaic capacity per 1,000 inhabitants”: higher than in 94% of municipalities.
- Its area is roughly equal to 1,275 football pitches.
- The nearest municipality is Kradolf-Schönenberg, 3.0 km away.
- The nearest more populous municipality is Bischofszell (6,438 residents), 5.6 km away.
- A 4 kWp rooftop solar system here would generate about 4,604 kWh a year, roughly what an average household uses.
All indicators for Sulgen
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 | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 20.2% | 20.0% | 20.7% | ranked 1,001 of 1,811 |
Housing
| Indicator | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,989 | 150,781 | 4,927,050 | ranked 608 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 24.0% | 23.6% | 23.3% | ranked 864 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 26.5% | 29.8% | 25.3% | ranked 822 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 72.7% | 69.2% | 69.5% | ranked 699 of 1,806 |
Energy
| Indicator | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 68.5% | 61.9% | 53.5% | ranked 408 of 1,806 | |
| Heat pumps as main heating (2026) | 16.4% | 19.9% | 13.7% | ranked 752 of 1,806 | |
| Wood heating systems (2026) | 11.0% | 10.7% | 12.4% | ranked 989 of 1,806 | |
| District heating (2026) | 0.7% | 4.2% | 1.4% | ranked 1,151 of 1,806 | |
| Photovoltaic installations (2026) | 242 | 16,905 | 329,600 | ranked 388 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,462 kW | 1,628 kW | 1,134 kW | ranked 108 of 1,806 | |
| Rooftop solar electricity potential (2026) | 49.2 GWh/year | 2,818 GWh/year | 64,783 GWh/year | ranked 339 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 11,761 kWh/inh. | 9,306 kWh/inh. | 9,356 kWh/inh. | ranked 543 of 1,810 |
Economy
| Indicator | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 303 | 22,185 | 728,011 | ranked 503 of 2,112 | |
| Entities listed in the commercial register (2026) | 318 | 23,532 | 762,757 | ranked 477 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 76.0 | 77.7 | 64.9 | ranked 537 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 74.8% | 68.3% | 65.7% | ranked 205 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 20.8% | 27.0% | 29.0% | ranked 1,559 of 1,808 |
Employment
| Indicator | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 2,593 | 149,746 | 5,679,518 | ranked 376 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 619.4 | 494.5 | 362.9 | ranked 296 of 1,810 | |
| Share of jobs in services (2024) | 38.6% | 64.1% | 63.6% | ranked 1,624 of 1,804 | |
| Share of jobs in industry and construction (2024) | 57.5% | 28.3% | 24.2% | ranked 64 of 1,776 |
Society
| Indicator | Sulgen | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 29.5% | 27.9% | 18.9% | ranked 318 of 1,811 |
Sunshine and temperatures: Sulgen
Frequently asked questions
What is the population of Sulgen?
Sulgen has 4,186 residents (2025), ranking 535 of 2,115 municipalities.
How big is Sulgen?
Sulgen covers 9.1 km², with a density of 460 people per km².
Is the population of Sulgen growing?
Between 2015 and 2025, the population of Sulgen went from 3,708 to 4,186, a change of +12.9%.
Where is Sulgen?
Sulgen is in Thurgau. It belongs to Bezirk Weinfelden (district). Latitude 47.542, longitude 9.193.
Share of jobs in industry and construction: what is the figure for Sulgen?
In Sulgen, “Share of jobs in industry and construction” stands at 57.5% (2024), ranking 64 of 1,776 municipalities; the national median is 24.2%.
Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Sulgen?
In Sulgen, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 2,462 kW (2026), ranking 108 of 1,806 municipalities; the national median is 1,134 kW.
How much electricity does a solar panel produce in Sulgen?
In Sulgen, a 1 kWp south-facing system tilted at 38° produces about 1,151 kWh a year.
Which municipalities border Sulgen?
The nearest to Sulgen are Kradolf-Schönenberg (3.0 km), Erlen (3.1 km), Berg (TG) (3.3 km), Bürglen (TG) (3.4 km), Birwinken (4.6 km).