Location map: Salmsach
Municipality · Bezirk Arbon · Thurgau

Salmsach: population and statistics

Salmsach has a population of 1,631 (2025) across 2.7 km², or 602 people per km². It ranks 1,108 of 2,115 municipalities by population. Its population is growing: +16.1% between 2015 and 2025.

  • 1,631 residents
  • 2.7 km²
  • 602 people/km²
  • 407 m

Key points

Among the 80 municipalities in Thurgau, Salmsach ranks No. 54 by population.

Share of foreign nationals: 31.6% in Salmsach, compared with an average of 27.9% in Thurgau and 27.7% nationally.

Share of jobs in services: 43.5% in Salmsach, compared with an average of 64.1% in Thurgau and 73.4% nationally.

A 1 kWp solar panel tilted at 38° generates about 1,157 kWh a year here.

Salmsach in numbers

Population
1,631
ranked 1,108 of 2,115
+16.1%over 10 years
2015–2025
Population density
602people/km²
ranked 454 of 1,806
Area
2.7km²
ranked 1,895 of 2,110
Elevation
407m
ranked 1,840 of 2,114
Share of foreign nationals
31.6%
ranked 235 of 1,811
Share of jobs in services
43.5%
ranked 1,517 of 1,804
Heat pumps as main heating
26.4%
ranked 331 of 1,806
Share of people aged 65 and over
18.8%
ranked 1,242 of 1,811

Where is Salmsach?

Population of Salmsach over time

1,4001,5001,6001,700201520172019202120232025
Population, 2015–2025

Salmsach had 1,405 residents in 2015 and 1,631 in 2025.

YearPopulation
20201,481
20211,498
20221,576
20231,600
20241,631
20251,631

Did you know?

All indicators for Salmsach

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

SalmsachNational medianHover over or tap a bar to see what it shows.

Population

IndicatorSalmsachThurgauNationalPosition?Rank
Share of people aged 65 and over (2025)18.8%20.0%20.7%ranked 1,242 of 1,811

Housing

IndicatorSalmsachThurgauNationalPosition?Rank
Dwellings (2026)803150,7814,927,050ranked 1,181 of 2,108
Dwellings in buildings built before 1946 (2026)25.9%23.6%23.3%ranked 755 of 1,806
Dwellings in buildings built since 2001 (2026)26.5%29.8%25.3%ranked 818 of 1,806
Share of single-family houses among residential buildings (2026)72.5%69.2%69.5%ranked 716 of 1,806

Energy

IndicatorSalmsachThurgauNationalPosition?Rank
Oil or gas heating systems (2026)58.4%61.9%53.5%ranked 753 of 1,806
Heat pumps as main heating (2026)26.4%19.9%13.7%ranked 331 of 1,806
Wood heating systems (2026)12.0%10.7%12.4%ranked 926 of 1,806
District heating (2026)0.3%4.2%1.4%ranked 1,383 of 1,806
Photovoltaic installations (2026)10616,905329,600ranked 1,031 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,546 kW1,628 kW1,134 kWranked 493 of 1,806
Rooftop solar electricity potential (2026)20.7 GWh/year2,818 GWh/year64,783 GWh/yearranked 990 of 2,114
Rooftop solar potential per inhabitant (2026)12,685 kWh/inh.9,306 kWh/inh.9,356 kWh/inh.ranked 443 of 1,810

Economy

IndicatorSalmsachThurgauNationalPosition?Rank
Establishments (2024)8822,185728,011ranked 1,343 of 2,112
Entities listed in the commercial register (2026)9723,532762,757ranked 1,185 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)59.577.764.9ranked 1,136 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)66.0%68.3%65.7%ranked 868 of 1,808
Share of sole proprietorships among registered entities (2026)30.9%27.0%29.0%ranked 733 of 1,808

Employment

IndicatorSalmsachThurgauNationalPosition?Rank
Jobs (2024)527149,7465,679,518ranked 1,143 of 2,111
Jobs per 1,000 inhabitants (2024)323.1494.5362.9ranked 1,062 of 1,810
Share of jobs in services (2024)43.5%64.1%63.6%ranked 1,517 of 1,804
Share of jobs in industry and construction (2024)21.6%28.3%24.2%ranked 1,003 of 1,776

Society

IndicatorSalmsachThurgauNationalPosition?Rank
Share of foreign nationals (2025)31.6%27.9%18.9%ranked 235 of 1,811

Sunshine and temperatures: Salmsach

Annual solar output
1,157kWh
for 1 kWp tilted at 38°
Warmest month
18.6°C
July
Coldest month
−0.4°C
January
Most productive month
132kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Salmsach?

Salmsach has 1,631 residents (2025), ranking 1,108 of 2,115 municipalities.

How big is Salmsach?

Salmsach covers 2.7 km², with a density of 602 people per km².

Is the population of Salmsach growing?

Between 2015 and 2025, the population of Salmsach went from 1,405 to 1,631, a change of +16.1%.

Where is Salmsach?

Salmsach is in Thurgau. It belongs to Bezirk Arbon (district). Latitude 47.550, longitude 9.366.

Share of foreign nationals: what is the figure for Salmsach?

In Salmsach, “Share of foreign nationals” stands at 31.6% (2025), ranking 235 of 1,811 municipalities; the national median is 18.9%.

Share of jobs in services: what is the figure for Salmsach?

In Salmsach, “Share of jobs in services” stands at 43.5% (2024), ranking 1,517 of 1,804 municipalities; the national median is 63.6%.

How much electricity does a solar panel produce in Salmsach?

In Salmsach, a 1 kWp south-facing system tilted at 38° produces about 1,157 kWh a year.

Which municipalities border Salmsach?

The nearest to Salmsach are Romanshorn (1.7 km), Egnach (2.6 km), Dozwil (4.2 km), Uttwil (4.3 km), Amriswil (5.0 km).