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Switzerland · Canton TG

Romanshorn

8590
TG CANTON8590
Residents
11'982
Area
8.9 km²
Population density
1'349 pop./km²
Elevation
406 m a.s.l.
Tax multiplier
163%
Postal codes
1

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
6'013 50.2%
Men
5'969 49.8%
Children & youth (0–19)
2'307 19.3%
Swiss citizens
7'803 65.1%
Foreign residents
4'179 34.9%
Population density
1'349 pop./km²
0–19 · 2'307 · 19.3%20–64 · 6'971 · 58.2%65+ · 2'704 · 22.6%
Foreign residents 34.9%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)FederalAccepted · 52.5% Yes
56.1% YesNo 43.9%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»FederalRejected · 45.2% Yes
49.8% YesNo 50.2%
14.06.2026Änderung der Kantonsverfassung zur Anpassung der FinanzkompetenzenCantonal TGAccepted · 57.1% Yes
57.0% YesNo 43.0%
08.03.2026Bundesgesetz über die IndividualbesteuerungFederalAccepted · 54.3% Yes
41.2% YesNo 58.8%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»FederalRejected · 38.1% Yes
42.9% YesNo 57.1%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederalRejected · 37.4% Yes
39.4% YesNo 60.6%
All federal votes
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
SVP32.7% · strongest party
SVP32.7%
SP15.3%
Mitte13.7%
FDP12.8%
GRÜNE9.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier163%
Cantonal tax multiplier109%
163%TG range 94%175%
Tax rank 78 of 80 in canton Thurgau
Tax burden
Single, 100'000 CHF gross income
13'976 CHF(14%)
Rank 77 of 80 in the canton · 826 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
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:13'976 CHF(~14%)
RomanshornCanton range ThurgauSwitzerland median
Show data table
Gross incomeRomanshornThurgauSwitzerland median
40'0006.5%56.8%5.4%
50'0008.4%6.48.8%7.8%
60'00010.1%7.710.6%10.5%
70'00011.4%8.811.9%11.9%
80'00012.4%9.512.9%13.1%
90'00013.1%10.113.6%14.1%
100'00014%10.914.5%15.3%
110'00014.8%11.615.4%16.3%
120'00015.6%12.216.1%17.2%
130'00016.2%12.816.8%18.1%
140'00016.9%13.417.5%19%
150'00017.4%13.918.1%19.7%
175'00018.9%15.119.5%21.6%
200'00020.2%16.320.9%23.2%
225'00021.4%17.422.1%24.6%
250'00022.4%18.323.2%25.8%
275'00023.3%19.124%26.8%
300'00024%19.724.8%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010 °C
Precipitation 1991–2020972 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
449 m
Mean elevation
421 m
Relief
53 m
Mean slope
1.6°
Flat share
98.2%
South-facing
0.9%
Above 2000 m
0.0%
Relief 53 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
81.9 GWh/yr
Roofs + façades
106.4 GWh/yr
≈ households powered
18'200
82 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 · 2026
Tariff H4
24.93 Rp./kWh
Energy
11 Rp./kWh
Grid usage
9.7 Rp./kWh
Levies + grid surcharge
2.5 Rp./kWh
24.93 Rp./kWh9.6443.61
Canton median 29.43 Rp./kWhSwiss median 27.7 Rp./kWh
Network operator Genossenschaft EW Romanshorn
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
Vacancy rate
3.07 %
Avg. rooms
3.7
Dwellings
6'378
Built before 194627.9%
Built since 200127.2%
3.07 %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 · NPVM
Major centrePT 103 min · Car 87 min
AgglomerationPT 17 min · Car 14 min
Remoteness 12/80 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 1
What is the postal code of Romanshorn?
The postal code of Romanshorn is 8590.
What is the tax rate in Romanshorn?
The municipal tax multiplier of Romanshorn is 163% (2026); canton TG levies 109%.
How much tax do you pay in Romanshorn?
A single person without children pays about 13'976 CHF income tax in Romanshorn on 100'000 CHF gross income (federal, cantonal, municipal), rank 77 of 80 in canton TG. Source: ESTV (2026).
How many residents does Romanshorn have?
Romanshorn has 11'982 residents (2025).
How many foreign residents live in Romanshorn?
Romanshorn has 4'179 foreign residents, a share of 34.88% (2025).

Map

OpenStreetMap