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Municipal profile

Coat of arms of Romanshorn

Romanshorn

Canton: Thurgau (TG)

Civiora Index

Derived from official data

73/100

Above the median

National rank: 233 / 2’110 · Top 12% nationally

Taxes58/100
Premiums79/100
Electricity84/100
Housing70/100
PT service84/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude422 m
Area8.7 km²
Postcode8590
FSO no.4436
DistrictBezirk Arbon
Tax burden12.4 %Single, CHF 80’000 · 2026 less than SwitzerlandSwiss median: 13.1 %
Electricity price24.4 ct./kWhH4 · 2027 less than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums569 CHF/monthAdult · 2027 less than SwitzerlandSwiss median: 599 CHF
Population11’982+5.8 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate1.30 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops16At least one rail stop

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Romanshorn pays 12.4% of their gross income in tax, or about CHF 9’900 a year. That is CHF 580 less than in the median Swiss municipality.

RomanshornSwiss median
Single, CHF 80’000 approx. 9’900 CHF/year580 CHF/year less
12.4 %
13.1 %
Single, CHF 120’000 approx. 18’660 CHF/year2’040 CHF/year less
15.6 %
17.2 %
Married couple, CHF 120’000 approx. 13’020 CHF/year440 CHF/year less
10.8 %
11.2 %
Family, 2 children, CHF 150’000 approx. 14’850 CHF/year60 CHF/year less
9.9 %
9.9 %
Retiree, CHF 80’000 approx. 12’180 CHF/year810 CHF/year less
15.2 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Romanshorn pays 24.44 ct. per kWh, or about CHF 1’100 a year. That is CHF 111 a year less than in the median Swiss municipality.

24.44 ct./kWh

less than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 10.78Grid (delivery to the meter) 9.42Levies and surcharge (public charges and levies) 4.24ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Romanshorn pays a median CHF 569 a month for basic health insurance, or about CHF 6’830 a year (CHF 300 deductible, accident cover included). That is CHF 30 a month less than the Swiss median (CHF 599).

569 CHF/month

less than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 23 offers in premium region TG-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult433.20 CHF/monthapprox. 5’200 CHF/year
19–25 years298.00 CHF/monthapprox. 3’580 CHF/year
Child115.90 CHF/monthapprox. 1’390 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Romanshorn has 11’982 inhabitants at the end of 2025, 5.8% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

11’982 inhabitants

Density: 1’373 inhab./km² · 2025

+0.3 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 19.3 %20–64 years 58.1 %65 and over 22.6 %

About 1 resident in 5 is under 20, and 1 in 4 is 65 or over. About 1 resident in 3 (34.9%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 1.30% of homes in Romanshorn were vacant, about 1 in 77 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings8101.06.2026
Housing stock (2024)6’378

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Romanshorn has 16 public transport stops. On an ordinary Tuesday, 1’174 departures are scheduled across all stops, 91 of them after 8 pm.

Public transport stops16At least one rail stop
Departures on a typical Tuesday1’174of which evening (from 8 pm): 91 (8 %)
Departures on a typical Sunday71661 % of the typical Tuesday
Public transport stops / 1’0001.34Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Romanshorn’s territory is 36.1% built-up, 39.0% farmland and 23.2% forest (survey 2004/2009).

Built-up 36.1 %Farmland 39.0 %Forest 23.2 %Other (water, rock…) 1.6 %
Jobs5’761reference year 2018
Establishments686reference year 2018
Social assistance rate2.6 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source