Demographics
BFS · 2025Women
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%
Population change 2025: +37 (+0.3%) · 102 births · 123 deaths · net migration +54
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 Arbon: 25.8% Yes
26.7% YesNo 73.3%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Arbon: 36.9% Yes
32.0% YesNo 68.0%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Arbon: 60.1% Yes
56.1% YesNo 43.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Arbon: 55.5% Yes
49.8% YesNo 50.2%
14.06.2026Änderung der Kantonsverfassung zur Anpassung der FinanzkompetenzenCantonal TG● Accepted · 57.1% YesDistrict Bezirk Arbon: 57.0% Yes
57.0% YesNo 43.0%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Arbon: 40.4% Yes
41.2% YesNo 58.8%
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 Arbon: 21.1% Yes
24.9% YesNo 75.1%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Arbon: 45.7% Yes
42.9% YesNo 57.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Arbon: 42.0% Yes
39.4% YesNo 60.6%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Bezirk Arbon: 71.0% Yes
72.1% YesNo 27.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP32.7% · strongest party
SVP32.7%
SP15.3%
Mitte13.7%
FDP12.8%
GRÜNE9.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier163%
Cantonal tax multiplier109%
163%TG range 94%175%
Tax rank 78 of 80 in canton ThurgauTax 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
100'000 CHF:13'976 CHF(~14%)
RomanshornCanton range ThurgauSwitzerland median
Show data table
| Gross income | Romanshorn | Thurgau | Switzerland median |
|---|---|---|---|
| 40'000 | 6.5% | 5–6.8% | 5.4% |
| 50'000 | 8.4% | 6.4–8.8% | 7.8% |
| 60'000 | 10.1% | 7.7–10.6% | 10.5% |
| 70'000 | 11.4% | 8.8–11.9% | 11.9% |
| 80'000 | 12.4% | 9.5–12.9% | 13.1% |
| 90'000 | 13.1% | 10.1–13.6% | 14.1% |
| 100'000 | 14% | 10.9–14.5% | 15.3% |
| 110'000 | 14.8% | 11.6–15.4% | 16.3% |
| 120'000 | 15.6% | 12.2–16.1% | 17.2% |
| 130'000 | 16.2% | 12.8–16.8% | 18.1% |
| 140'000 | 16.9% | 13.4–17.5% | 19% |
| 150'000 | 17.4% | 13.9–18.1% | 19.7% |
| 175'000 | 18.9% | 15.1–19.5% | 21.6% |
| 200'000 | 20.2% | 16.3–20.9% | 23.2% |
| 225'000 | 21.4% | 17.4–22.1% | 24.6% |
| 250'000 | 22.4% | 18.3–23.2% | 25.8% |
| 275'000 | 23.3% | 19.1–24% | 26.8% |
| 300'000 | 24% | 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 1991–2020972 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest 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
Per inhabitant
6'834 kWh/yr
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 24.09.2026
Electricity
ElCom · 2027Tariff H4
24.44 Rp./kWh
Energy
10.78 Rp./kWh
Grid usage
9.42 Rp./kWh
Levies + grid surcharge
2.5 Rp./kWh
24.44 Rp./kWh10.5645.88
Canton median 28.29 Rp./kWhSwiss median 26.53 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.
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
3.07 %
Second homes
12.5 %
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 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
6'304
Workplaces
743
Services share
67.1 %
Jobs by sector: Primary 56 (0.9%) · Secondary 2'020 (32.0%) · Tertiary 4'228 (67.1%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
18
Organic share
11.1 %
Farmland
273 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 municipalities11'982 #6 TG · #135 CHGrowing municipalities0.3% #59 TG · #1229 CHShrinking municipalities0.3% #22 TG · #881 CHJobs per resident0.53 #13 TG · #476 CHFamilies & children19.3% #64 TG · #1370 CHAge structure22.6% #11 TG · #756 CHWomen share50.2% #16 TG · #816 CHForeign residents34.9% #9 TG · #161 CHPopulation density1'349/km² #5 TG · #144 CHTax burden13'976 #79 TG · #828 CHTaxes163% #78 TGWarmest municipalities10 °C #8 TG · #538 CHSunniest municipalities39.1% #67 TG · #2083 CHRainiest municipalities972 mm #40 TG · #1747 CHVoter turnout50.7% #72 TG · #1726 CHAgainst Switzerland10.8% #61 TG · #1187 CHAligned with Switzerland89.2% #9 TG · #308 CHSVP strongholds32.7% #75 TG · #1114 CHSP strongholds15.3% #5 TG · #918 CHCentre strongholds13.7% #46 TG · #918 CHFDP strongholds12.8% #14 TG · #1057 CHGLP strongholds6.2% #36 TG · #939 CHGreen strongholds9.6% #16 TG · #624 CHLargest by area8.9 km² #49 TG · #1064 CHHighest municipalities406 m #70 TG · #1865 CHSecond homes12.5% #17 TG · #838 CHOrganic farming11.1% #54 TG · #1152 CHBest-connected municipalities103 min #69 TG · #1751 CHRemotest municipalities103 min #11 TG · #361 CHHighest peaks449 m #76 TG · #2023 CHHighest-lying municipalities421 m #75 TG · #1906 CHGreatest vertical range53 m #74 TG · #2032 CHSteepest municipalities1.6° #76 TG · #2039 CHSolar potential82 GWh #6 TG · #134 CHSolar potential per capita6'834 kWh #71 TG · #1709 CHCheapest electricity24.44 Rp./kWh #5 TG · #324 CHMost expensive electricity24.44 Rp./kWh #75 TG · #1783 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- 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
OpenStreetMapRomanshorn compared with
- Romanshorn vs. Frauenfeld
- Romanshorn vs. Kreuzlingen
- Romanshorn vs. Arbon
- Romanshorn vs. Amriswil
- Romanshorn vs. Weinfelden
- Romanshorn vs. Aadorf
- Romanshorn vs. Sirnach
- Romanshorn vs. Bischofszell
- Romanshorn vs. Münchwilen
- Romanshorn vs. Tägerwilen
- Romanshorn vs. Frauenfeld
- Romanshorn vs. Kreuzlingen
- Romanshorn vs. Arbon
- Romanshorn vs. Amriswil
- Romanshorn vs. Weinfelden
- Romanshorn vs. Aadorf
- Romanshorn vs. Sirnach
- Romanshorn vs. Bischofszell
- Romanshorn vs. Münchwilen
- Romanshorn vs. Tägerwilen
- Romanshorn vs. Baden
- Romanshorn vs. Schwende-Rüte
- Romanshorn vs. Herisau
- Romanshorn vs. Bern
- Romanshorn vs. Allschwil
- Romanshorn vs. Basel
- Romanshorn vs. Fribourg
- Romanshorn vs. Geneva
- Romanshorn vs. Glarus Nord
- Romanshorn vs. Chur
- Romanshorn vs. Delémont
- Romanshorn vs. Lucerne
- Romanshorn vs. Neuchâtel
- Romanshorn vs. Stans
- Romanshorn vs. Sarnen
- Romanshorn vs. St. Gallen
- Romanshorn vs. Schaffhausen
- Romanshorn vs. Olten
- Romanshorn vs. Freienbach
- Romanshorn vs. Lugano
- Romanshorn vs. Altdorf
- Romanshorn vs. Lausanne
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- Romanshorn vs. Zug
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