About Romanshorn
Romanshorn is a municipality in the district of Arbon in the canton of Thurgau, Switzerland, located on the southern shore of Lake Constance.
- Canton
- Thurgau
- Area
- 8.9 km²
Population
11'945residents
Median taxable income
CHF 59'955
Vacancy
3.07%
Foreign residents
34.5%
Dwellings
6'384
Jobs (FTE)
5'761
Tax multiplier
163%
Land use across the commune
Every 100 × 100 m of Romanshorn, coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.
Source BFS Arealstatistik
Loading statistics …
Jobs & economy
5'761 full-time-equivalent jobs across 686 businesses — services make up 65% of employment, industry 34% (2018).
Source BFS STATENT
5'761FTE total
Primary1.0%
Secondary33.9%
Tertiary65.1%
Land use
39% built-up, 34% agricultural, 23% forest. Measured across 886 hectares (2018).
Source BFS Arealstatistik
Settlement40.5%
Agriculture35.5%
Forest24.1%
Water0.0%
Election Results
SVP led the 2023 National Council election with 32.7%, ahead of SP at 15.3%.
Source BFS
SVP32.7%+3.0 pp
SP15.3%−5.2 pp
Mitte13.7%
FDP12.8%+0.8 pp
Grüne9.6%−0.7 pp
GLP6.2%−1.5 pp
EDU5.0%+1.9 pp
Others
2.8%
2023 vs 2019
Primary / second-home mix
87.5% of dwellings are primary residences; 12.5% are second homes (2026).
Source BFS
Primary residences87.5%
Second homes12.5%
Climate data
Annual mean 9.8°C with 951 mm of rain. Warmest in July (19.1°C), coldest in January (1.0°C). Station: Güttingen, 440 m.
Source MeteoSchweiz
9.8°C
Annual mean
Mean 9.8°C
Rain 951 mm
Sun ≈137 days
Güttingen · 440 m.a.s.l. · 1991–2020 normals
Warming trend
Mean annual temperature at St. Gallen has risen by +2.5°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Source MeteoSchweiz NBCN
+2.5°C
mean 1996–2025 vs. 1864–1893
St. Gallen · 776 m.a.s.l. · 1864–2025
