Sommeri: population and statistics
Sommeri has a population of 696 (2025) across 4.2 km², or 165 people per km². It ranks 1,660 of 2,115 municipalities by population. Its population is growing: +33.8% between 2015 and 2025.
- 696 residents
- 4.2 km²
- 165 people/km²
- 460 m
Key points
Among the 80 municipalities in Thurgau, Sommeri ranks No. 77 by population.
Installed photovoltaic capacity per 1,000 inhabitants: 2,306 kW in Sommeri, compared with an average of 1,628 kW in Thurgau and 919.4 kW nationally.
Jobs per 1,000 inhabitants: 701.1 in Sommeri, compared with an average of 494.5 in Thurgau and 622.5 nationally.
A 1 kWp solar panel tilted at 38° generates about 1,164 kWh a year here.
Sommeri in numbers
Where is Sommeri?
Population of Sommeri over time
Sommeri had 520 residents in 2015 and 696 in 2025.
| Year | Population |
|---|---|
| 2020 | 630 |
| 2021 | 641 |
| 2022 | 654 |
| 2023 | 672 |
| 2024 | 673 |
| 2025 | 696 |
Did you know?
- Number 1 in Thurgau for “Population change over 10 years”.
- “Installed photovoltaic capacity per 1,000 inhabitants”: higher than in 92% of municipalities.
- Its area is roughly equal to 591 football pitches.
- The nearest more populous municipality is Hefenhofen (1,344 residents), 1.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,656 kWh a year, roughly what an average household uses.
All indicators for Sommeri
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 | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 19.2% | 20.0% | 20.7% | ranked 1,163 of 1,811 |
Housing
| Indicator | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 336 | 150,781 | 4,927,050 | ranked 1,728 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 38.4% | 23.6% | 23.3% | ranked 322 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 34.8% | 29.8% | 25.3% | ranked 343 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 67.4% | 69.2% | 69.5% | ranked 1,015 of 1,806 |
Energy
| Indicator | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 32.6% | 61.9% | 53.5% | ranked 1,569 of 1,806 | |
| Heat pumps as main heating (2026) | 25.0% | 19.9% | 13.7% | ranked 380 of 1,806 | |
| Wood heating systems (2026) | 34.1% | 10.7% | 12.4% | ranked 190 of 1,806 | |
| District heating (2026) | 3.0% | 4.2% | 1.4% | ranked 638 of 1,806 | |
| Photovoltaic installations (2026) | 47 | 16,905 | 329,600 | ranked 1,594 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,306 kW | 1,628 kW | 1,134 kW | ranked 140 of 1,806 | |
| Rooftop solar electricity potential (2026) | 10.0 GWh/year | 2,818 GWh/year | 64,783 GWh/year | ranked 1,562 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 14,411 kWh/inh. | 9,306 kWh/inh. | 9,356 kWh/inh. | ranked 296 of 1,810 |
Economy
| Indicator | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 64 | 22,185 | 728,011 | ranked 1,572 of 2,112 | |
| Entities listed in the commercial register (2026) | 57 | 23,532 | 762,757 | ranked 1,512 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 81.9 | 77.7 | 64.9 | ranked 402 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 59.6% | 68.3% | 65.7% | ranked 1,397 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 29.8% | 27.0% | 29.0% | ranked 830 of 1,808 |
Employment
| Indicator | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 488 | 149,746 | 5,679,518 | ranked 1,177 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 701.1 | 494.5 | 362.9 | ranked 205 of 1,810 | |
| Share of jobs in services (2024) | 72.1% | 64.1% | 63.6% | ranked 581 of 1,804 | |
| Share of jobs in industry and construction (2024) | 17.4% | 28.3% | 24.2% | ranked 1,229 of 1,776 |
Society
| Indicator | Sommeri | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.5% | 27.9% | 18.9% | ranked 1,020 of 1,811 |
Sunshine and temperatures: Sommeri
Frequently asked questions
What is the population of Sommeri?
Sommeri has 696 residents (2025), ranking 1,660 of 2,115 municipalities.
How big is Sommeri?
Sommeri covers 4.2 km², with a density of 165 people per km².
Is the population of Sommeri growing?
Between 2015 and 2025, the population of Sommeri went from 520 to 696, a change of +33.8%.
Where is Sommeri?
Sommeri is in Thurgau. It belongs to Bezirk Arbon (district). Latitude 47.566, longitude 9.283.
Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Sommeri?
In Sommeri, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 2,306 kW (2026), ranking 140 of 1,806 municipalities; the national median is 1,134 kW.
Jobs per 1,000 inhabitants: what is the figure for Sommeri?
In Sommeri, “Jobs per 1,000 inhabitants” stands at 701.1 (2024), ranking 205 of 1,810 municipalities; the national median is 362.9.
How much electricity does a solar panel produce in Sommeri?
In Sommeri, a 1 kWp south-facing system tilted at 38° produces about 1,164 kWh a year.
Which municipalities border Sommeri?
The nearest to Sommeri are Hefenhofen (1.4 km), Amriswil (2.2 km), Dozwil (2.5 km), Kesswil (3.2 km), Güttingen (3.4 km).