Demographics
BFS · 2025Women
917 50.6%
Men
897 49.4%
Children & youth (0–19)
422 23.3%
Swiss citizens
1'296 71.4%
Foreign residents
518 28.6%
Population density
204 pop./km²
0–19 · 422 · 23.3%20–64 · 1'074 · 59.2%65+ · 318 · 17.5%
Foreign residents 28.6%0%64.0%
Population change 2025: +18 (+1%) · 24 births · 14 deaths · net migration +5
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Kreuzlingen: 27.4% Yes
21.1% YesNo 78.9%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Kreuzlingen: 33.5% Yes
39.5% YesNo 60.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Kreuzlingen: 56.4% Yes
58.3% YesNo 41.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Kreuzlingen: 48.8% Yes
54.5% YesNo 45.5%
14.06.2026Änderung der Kantonsverfassung zur Anpassung der FinanzkompetenzenCantonal TG● Accepted · 57.1% YesDistrict Bezirk Kreuzlingen: 58.8% Yes
57.0% YesNo 43.0%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Kreuzlingen: 43.1% Yes
37.6% YesNo 62.4%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Bezirk Kreuzlingen: 23.7% Yes
20.7% YesNo 79.3%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Kreuzlingen: 43.4% Yes
41.7% YesNo 58.3%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Kreuzlingen: 39.6% Yes
39.7% YesNo 60.3%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Bezirk Kreuzlingen: 71.5% Yes
71.3% YesNo 28.7%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP41.9% · strongest party
SVP41.9%
Mitte18.4%
GRÜNE8.4%
SP7.8%
FDP7.2%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier137%
Cantonal tax multiplier109%
137%TG range 94%175%
Tax rank 18 of 80 in canton ThurgauTax burden
Single, 100'000 CHF gross income
12'803 CHF(12.8%)
Rank 18 of 80 in the canton · 474 of 2110 in Switzerland
Median canton 13'209 CHF · median Switzerland 15'290 CHF
Cheapest Warth-Weiningen 10'862 CHF · most expensive Arbon 14'518 CHF
100'000 CHF:12'803 CHF(~12.8%)
LengwilCanton range ThurgauSwitzerland median
Show data table
| Gross income | Lengwil | Thurgau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.9% | 5–6.8% | 5.4% |
| 50'000 | 7.6% | 6.4–8.8% | 7.8% |
| 60'000 | 9.2% | 7.7–10.6% | 10.5% |
| 70'000 | 10.4% | 8.8–11.9% | 11.9% |
| 80'000 | 11.3% | 9.5–12.9% | 13.1% |
| 90'000 | 12% | 10.1–13.6% | 14.1% |
| 100'000 | 12.8% | 10.9–14.5% | 15.3% |
| 110'000 | 13.6% | 11.6–15.4% | 16.3% |
| 120'000 | 14.3% | 12.2–16.1% | 17.2% |
| 130'000 | 14.9% | 12.8–16.8% | 18.1% |
| 140'000 | 15.5% | 13.4–17.5% | 19% |
| 150'000 | 16.1% | 13.9–18.1% | 19.7% |
| 175'000 | 17.5% | 15.1–19.5% | 21.6% |
| 200'000 | 18.7% | 16.3–20.9% | 23.2% |
| 225'000 | 19.9% | 17.4–22.1% | 24.6% |
| 250'000 | 20.9% | 18.3–23.2% | 25.8% |
| 275'000 | 21.7% | 19.1–24% | 26.8% |
| 300'000 | 22.4% | 19.7–24.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010 °C
Precipitation 1991–2020928 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
573 m
Mean elevation
535 m
Relief
105 m
Mean slope
2.2°
Flat share
94.3%
South-facing
0.1%
Above 2000 m
0.0%
Relief 105 m0 m3'847 m
Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.
swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
25.2 GWh/yr
Roofs + façades
32.3 GWh/yr
≈ households powered
5'600
Per inhabitant
13'881 kWh/yr
25 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).
Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026
Electricity
ElCom · 2027Tariff H4
36.54 Rp./kWh
Energy
14.2 Rp./kWh
Grid usage
18.52 Rp./kWh
Levies + grid surcharge
2.57 Rp./kWh
36.54 Rp./kWh10.5645.88
Canton median 28.29 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Politische Gemeinde Lengwil, Elektrizitätswerk
ElCom tariff comparison ↗How this is measured
Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.
2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Health-insurance premiums
BAG · 2024Standard model, deductible 300544 CHF/mo
Ø premium in canton Thurgau382 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Thurgau (2024, BAG) — it applies canton-wide, not to any single location.
2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026
Housing
BFS · AREVacancy rate
1.17 %
Second homes
8.9 %
Avg. rooms
4.4
Dwellings
770
Built before 194625.7%
Built since 200139.9%
1.17 %0 %12 %
Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.
Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Economy
BFS · 2024Jobs
849
Workplaces
131
Services share
66.8 %
Jobs by sector: Primary 99 (11.7%) · Secondary 183 (21.6%) · Tertiary 567 (66.8%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
30
Organic share
23.3 %
Farmland
653 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities1'814 #50 TG · #1027 CHGrowing municipalities1% #42 TG · #795 CHShrinking municipalities1% #39 TG · #1314 CHJobs per resident0.47 #21 TG · #620 CHFamilies & children23.3% #5 TG · #268 CHAge structure17.5% #68 TG · #1708 CHWomen share50.6% #5 TG · #590 CHForeign residents28.6% #22 TG · #373 CHPopulation density204/km² #48 TG · #1013 CHTax burden12'803 #20 TG · #476 CHTaxes137% #18 TGWarmest municipalities10 °C #17 TG · #547 CHSunniest municipalities39.4% #53 TG · #2061 CHRainiest municipalities928 mm #57 TG · #1870 CHVoter turnout57.4% #35 TG · #907 CHAgainst Switzerland18.8% #40 TG · #588 CHAligned with Switzerland81.2% #32 TG · #872 CHSVP strongholds41.9% #51 TG · #567 CHSP strongholds7.8% #42 TG · #1722 CHCentre strongholds18.4% #10 TG · #621 CHFDP strongholds7.2% #56 TG · #1688 CHGLP strongholds6% #41 TG · #985 CHGreen strongholds8.4% #32 TG · #814 CHLargest by area8.9 km² #50 TG · #1065 CHHighest municipalities470 m #38 TG · #1384 CHSecond homes8.9% #55 TG · #1430 CHOrganic farming23.3% #18 TG · #513 CHBest-connected municipalities98 min #54 TG · #1682 CHRemotest municipalities98 min #28 TG · #433 CHHighest peaks573 m #48 TG · #1638 CHHighest-lying municipalities535 m #22 TG · #1281 CHGreatest vertical range105 m #65 TG · #1812 CHSteepest municipalities2.2° #70 TG · #1987 CHSolar potential25 GWh #42 TG · #833 CHSolar potential per capita13'881 kWh #24 TG · #544 CHCheapest electricity36.54 Rp./kWh #76 TG · #2096 CHMost expensive electricity36.54 Rp./kWh #4 TG · #11 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 4Nearby municipalities
swisstopo- What is the postal code of Lengwil?
- The postal code of Lengwil is 8574.
- What is the tax rate in Lengwil?
- The municipal tax multiplier of Lengwil is 137% (2026); canton TG levies 109%.
- How much tax do you pay in Lengwil?
- A single person without children pays about 12'803 CHF income tax in Lengwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 18 of 80 in canton TG. Source: ESTV (2026).
- How many residents does Lengwil have?
- Lengwil has 1'814 residents (2025).
- How many foreign residents live in Lengwil?
- Lengwil has 518 foreign residents, a share of 28.56% (2025).
Map
OpenStreetMapLengwil compared with
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