Switzerland · Canton TG
Altnau
8595TG CANTON8595
Residents
2'351
Area
6.7 km²
Population density
349 pop./km²
Elevation
461 m a.s.l.
Tax multiplier
144%
Postal codes
1
Demographics
BFS · 2025Women
1'204 51.2%
Men
1'147 48.8%
Children & youth (0–19)
491 20.9%
Swiss citizens
1'810 77.0%
Foreign residents
541 23.0%
Population density
349 pop./km²
0–19 · 491 · 20.9%20–64 · 1'378 · 58.6%65+ · 482 · 20.5%
Foreign residents 23.0%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes
53.4% YesNo 46.6%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes
51.4% YesNo 48.6%
14.06.2026Änderung der Kantonsverfassung zur Anpassung der FinanzkompetenzenCantonal TG● Accepted · 57.1% Yes
57.1% YesNo 42.9%
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes
24.0% YesNo 76.1%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes
43.6% YesNo 56.4%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes
42.2% YesNo 57.8%
08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes
69.0% YesNo 31.0%
08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes
48.3% YesNo 51.7%
30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes
16.6% YesNo 83.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026
Politics
National Council election 2023SVP39.4% · strongest party
SVP39.4%
Mitte14.7%
SP12.0%
FDP10.6%
GRÜNE9.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Taxes 2026
ESTVMunicipal tax multiplier144%
Cantonal tax multiplier109%
144%TG range 94%175%
Tax rank 36 of 80 in canton ThurgauTax burden
Single, 100'000 CHF gross income
13'119 CHF(13.1%)
Rank 36 of 80 in the canton · 565 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:13'119 CHF(~13.1%)
AltnauCanton range ThurgauSwitzerland median
Show data table
| Gross income | Altnau | Thurgau | Switzerland median |
|---|---|---|---|
| 40'000 | 6.1% | 5–6.8% | 5.4% |
| 50'000 | 7.9% | 6.4–8.8% | 7.8% |
| 60'000 | 9.5% | 7.7–10.6% | 10.5% |
| 70'000 | 10.7% | 8.8–11.9% | 11.9% |
| 80'000 | 11.6% | 9.5–12.9% | 13.1% |
| 90'000 | 12.3% | 10.1–13.6% | 14.1% |
| 100'000 | 13.1% | 10.9–14.5% | 15.3% |
| 110'000 | 13.9% | 11.6–15.4% | 16.3% |
| 120'000 | 14.6% | 12.2–16.1% | 17.2% |
| 130'000 | 15.3% | 12.8–16.8% | 18.1% |
| 140'000 | 15.9% | 13.4–17.5% | 19% |
| 150'000 | 16.5% | 13.9–18.1% | 19.7% |
| 175'000 | 17.9% | 15.1–19.5% | 21.6% |
| 200'000 | 19.1% | 16.3–20.9% | 23.2% |
| 225'000 | 20.3% | 17.4–22.1% | 24.6% |
| 250'000 | 21.3% | 18.3–23.2% | 25.8% |
| 275'000 | 22.1% | 19.1–24% | 26.8% |
| 300'000 | 22.8% | 19.7–24.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010 °C
Precipitation 1991–2020956 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
519 m
Mean elevation
462 m
Relief
123 m
Mean slope
2.6°
Flat share
93.3%
South-facing
0.0%
Above 2000 m
0.0%
Relief 123 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
22.3 GWh/yr
Roofs + façades
29.4 GWh/yr
≈ households powered
5'000
22 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 31.08.2026
Electricity
ElCom · 2026Tariff H4
25.51 Rp./kWh
Energy
11.1 Rp./kWh
Grid usage
10.2 Rp./kWh
Levies + grid surcharge
2.6 Rp./kWh
25.51 Rp./kWh9.6443.61
Canton median 29.43 Rp./kWhSwiss median 27.7 Rp./kWh
Network operator Politische Gemeinde Altnau, Elektrizitätsversorgung
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.
2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Housing
BFSVacancy rate
0.79 %
Avg. rooms
4.2
Dwellings
1'136
Built before 194630.0%
Built since 200127.2%
0.79 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026
Municipality
Wikidata · CC0Websitealtnau.ch ↗
Wikidata · continuously updated, retrieved 31.08.2026
Rankings
31Largest municipalities2'351 #41 TG · #885 CHFamilies & children20.9% #43 TG · #857 CHAge structure20.5% #25 TG · #1150 CHWomen share51.2% #3 TG · #321 CHForeign residents23% #32 TG · #654 CHPopulation density349/km² #33 TG · #691 CHTax burden13'119 #36 TG · #565 CHTaxes144% #36 TGWarmest municipalities10 °C #12 TG · #542 CHSunniest municipalities38.9% #72 TG · #2091 CHRainiest municipalities956 mm #45 TG · #1799 CHVoter turnout58.6% #22 TG · #619 CHAgainst Switzerland19% #44 TG · #626 CHAligned with Switzerland81% #30 TG · #839 CHSVP strongholds39.4% #58 TG · #696 CHSP strongholds12% #10 TG · #1290 CHCentre strongholds14.7% #38 TG · #849 CHFDP strongholds10.6% #28 TG · #1321 CHGLP strongholds6.2% #37 TG · #938 CHGreen strongholds9.4% #21 TG · #652 CHLargest by area6.7 km² #61 TG · #1306 CHHighest municipalities461 m #44 TG · #1448 CHRemotest municipalities107 min #4 TG · #296 CHBest-connected municipalities107 min #77 TG · #1816 CHHighest peaks519 m #64 TG · #1817 CHHighest-lying municipalities462 m #53 TG · #1641 CHGreatest vertical range123 m #58 TG · #1719 CHSteepest municipalities2.6° #64 TG · #1944 CHSolar potential22 GWh #48 TG · #932 CHCheapest electricity25.51 Rp./kWh #6 TG · #430 CHMost expensive electricity25.51 Rp./kWh #75 TG · #1677 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Altnau?
- The postal code of Altnau is 8595.
- What is the tax rate in Altnau?
- The municipal tax multiplier of Altnau is 144% (2026); canton TG levies 109%.
- How much tax do you pay in Altnau?
- A single person without children pays about 13'119 CHF income tax in Altnau on 100'000 CHF gross income (federal, cantonal, municipal), rank 36 of 80 in canton TG. Source: ESTV (2026).
- How many residents does Altnau have?
- Altnau has 2'351 residents (2025).
- How many foreign residents live in Altnau?
- Altnau has 541 foreign residents, a share of 23.01% (2025).
Map
OpenStreetMapAltnau compared with
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