Lengwil: population and statistics
Lengwil has a population of 1,814 (2025) across 8.9 km², or 204 people per km². It ranks 1,027 of 2,115 municipalities by population. Its population is growing: +9.3% between 2015 and 2025.
- 1,814 residents
- 8.9 km²
- 204 people/km²
- 557 m
Key points
Among the 80 municipalities in Thurgau, Lengwil ranks No. 50 by population.
Installed photovoltaic capacity per 1,000 inhabitants: 3,288 kW in Lengwil, compared with an average of 1,628 kW in Thurgau and 919.4 kW nationally.
Share of single-family houses among residential buildings: 82.7% in Lengwil, compared with an average of 69.2% in Thurgau and 56.9% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,154 kWh a year here.
Lengwil in numbers
Where is Lengwil?
Population of Lengwil over time
Lengwil had 1,659 residents in 2015 and 1,814 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,730 |
| 2021 | 1,723 |
| 2022 | 1,759 |
| 2023 | 1,786 |
| 2024 | 1,796 |
| 2025 | 1,814 |
Did you know?
- “Installed photovoltaic capacity per 1,000 inhabitants”: higher than in 98% of municipalities.
- “Share of single-family houses among residential buildings”: higher than in 94% of municipalities.
- Its area is roughly equal to 1,245 football pitches.
- The nearest more populous municipality is Kemmental (2,924 residents), 1.2 km away.
- A 4 kWp rooftop solar system here would generate about 4,616 kWh a year, roughly what an average household uses.
All indicators for Lengwil
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 | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 17.5% | 20.0% | 20.7% | ranked 1,451 of 1,811 |
Housing
| Indicator | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 781 | 150,781 | 4,927,050 | ranked 1,204 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 25.5% | 23.6% | 23.3% | ranked 780 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 40.6% | 29.8% | 25.3% | ranked 135 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 82.7% | 69.2% | 69.5% | ranked 113 of 1,806 |
Energy
| Indicator | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 42.5% | 61.9% | 53.5% | ranked 1,301 of 1,806 | |
| Heat pumps as main heating (2026) | 27.4% | 19.9% | 13.7% | ranked 306 of 1,806 | |
| Wood heating systems (2026) | 25.2% | 10.7% | 12.4% | ranked 366 of 1,806 | |
| District heating (2026) | 3.5% | 4.2% | 1.4% | ranked 583 of 1,806 | |
| Photovoltaic installations (2026) | 230 | 16,905 | 329,600 | ranked 426 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 3,288 kW | 1,628 kW | 1,134 kW | ranked 29 of 1,806 | |
| Rooftop solar electricity potential (2026) | 25.2 GWh/year | 2,818 GWh/year | 64,783 GWh/year | ranked 834 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 13,881 kWh/inh. | 9,306 kWh/inh. | 9,356 kWh/inh. | ranked 341 of 1,810 |
Economy
| Indicator | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 131 | 22,185 | 728,011 | ranked 1,056 of 2,112 | |
| Entities listed in the commercial register (2026) | 123 | 23,532 | 762,757 | ranked 1,030 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 67.8 | 77.7 | 64.9 | ranked 797 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 69.9% | 68.3% | 65.7% | ranked 526 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 23.6% | 27.0% | 29.0% | ranked 1,375 of 1,808 |
Employment
| Indicator | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 849 | 149,746 | 5,679,518 | ranked 904 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 468.0 | 494.5 | 362.9 | ranked 566 of 1,810 | |
| Share of jobs in services (2024) | 66.8% | 64.1% | 63.6% | ranked 781 of 1,804 | |
| Share of jobs in industry and construction (2024) | 21.6% | 28.3% | 24.2% | ranked 1,007 of 1,776 |
Society
| Indicator | Lengwil | Thurgau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 28.6% | 27.9% | 18.9% | ranked 361 of 1,811 |
Sunshine and temperatures: Lengwil
Frequently asked questions
What is the population of Lengwil?
Lengwil has 1,814 residents (2025), ranking 1,027 of 2,115 municipalities.
How big is Lengwil?
Lengwil covers 8.9 km², with a density of 204 people per km².
Is the population of Lengwil growing?
Between 2015 and 2025, the population of Lengwil went from 1,659 to 1,814, a change of +9.3%.
Where is Lengwil?
Lengwil is in Thurgau. It belongs to Bezirk Kreuzlingen (district). Latitude 47.616, longitude 9.183.
Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Lengwil?
In Lengwil, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 3,288 kW (2026), ranking 29 of 1,806 municipalities; the national median is 1,134 kW.
Share of single-family houses among residential buildings: what is the figure for Lengwil?
In Lengwil, “Share of single-family houses among residential buildings” stands at 82.7% (2026), ranking 113 of 1,806 municipalities; the national median is 69.5%.
How much electricity does a solar panel produce in Lengwil?
In Lengwil, a 1 kWp south-facing system tilted at 37° produces about 1,154 kWh a year.
Which municipalities border Lengwil?
The nearest to Lengwil are Kemmental (1.2 km), Bottighofen (2.9 km), Kreuzlingen (3.3 km), Birwinken (3.9 km), Münsterlingen (4.1 km).