Location map: Steinach
Municipality · Wahlkreis Rorschach · St. Gallen

Steinach: population and statistics

Steinach has a population of 3,579 (2025) across 4.5 km², or 797 people per km². It ranks 625 of 2,115 municipalities by population. Its population is growing: +1.7% between 2015 and 2025.

  • 3,579 residents
  • 4.5 km²
  • 797 people/km²
  • 403 m

Key points

Among the 75 municipalities in St. Gallen, Steinach ranks No. 53 by population.

Share of jobs in industry and construction: 63.3% in Steinach, compared with an average of 30.3% in St. Gallen and 22.0% nationally.

Installed photovoltaic capacity per 1,000 inhabitants: 2,887 kW in Steinach, compared with an average of 1,325 kW in St. Gallen and 919.4 kW nationally.

A 1 kWp solar panel tilted at 39° generates about 1,148 kWh a year here.

Steinach in numbers

Population
3,579
ranked 625 of 2,115
+1.7%over 10 years
2015–2025
Population density
797people/km²
ranked 329 of 1,806
Area
4.5km²
ranked 1,583 of 2,110
Elevation
403m
ranked 1,863 of 2,114
Share of jobs in industry and construction
63.3%
ranked 32 of 1,776
Installed photovoltaic capacity per 1,000 inhabitants
2,887kW
ranked 59 of 1,806
Share of foreign nationals
25.5%
ranked 502 of 1,811
Entities listed in the commercial register
252
ranked 606 of 2,115

Where is Steinach?

Population of Steinach over time

3,5003,5253,5503,5753,6003,625201520172019202120232025
Population, 2015–2025

Steinach had 3,519 residents in 2015 and 3,579 in 2025.

YearPopulation
20203,549
20213,559
20223,583
20233,580
20243,581
20253,579

Did you know?

All indicators for Steinach

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.

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

Population

IndicatorSteinachSt. GallenNationalPosition?Rank
Share of people aged 65 and over (2025)21.9%19.9%20.7%ranked 711 of 1,811

Housing

IndicatorSteinachSt. GallenNationalPosition?Rank
Dwellings (2026)1,849280,8534,927,050ranked 650 of 2,108
Dwellings in buildings built before 1946 (2026)19.4%23.5%23.3%ranked 1,090 of 1,806
Dwellings in buildings built since 2001 (2026)23.4%24.8%25.3%ranked 1,018 of 1,806
Share of single-family houses among residential buildings (2026)64.1%64.1%69.5%ranked 1,192 of 1,806

Energy

IndicatorSteinachSt. GallenNationalPosition?Rank
Oil or gas heating systems (2026)44.1%52.2%53.5%ranked 1,237 of 1,806
Heat pumps as main heating (2026)34.0%30.7%13.7%ranked 171 of 1,806
Wood heating systems (2026)7.8%9.0%12.4%ranked 1,220 of 1,806
District heating (2026)13.2%6.0%1.4%ranked 174 of 1,806
Photovoltaic installations (2026)24026,111329,600ranked 393 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)2,887 kW1,325 kW1,134 kWranked 59 of 1,806
Rooftop solar electricity potential (2026)31.5 GWh/year4,072 GWh/year64,783 GWh/yearranked 638 of 2,114
Rooftop solar potential per inhabitant (2026)8,807 kWh/inh.7,485 kWh/inh.9,356 kWh/inh.ranked 1,010 of 1,810

Economy

IndicatorSteinachSt. GallenNationalPosition?Rank
Establishments (2024)20039,699728,011ranked 764 of 2,112
Entities listed in the commercial register (2026)25242,658762,757ranked 606 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)70.478.464.9ranked 689 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)63.5%65.2%65.7%ranked 1,100 of 1,808
Share of sole proprietorships among registered entities (2026)29.0%29.2%29.0%ranked 897 of 1,808

Employment

IndicatorSteinachSt. GallenNationalPosition?Rank
Jobs (2024)2,024317,4615,679,518ranked 464 of 2,111
Jobs per 1,000 inhabitants (2024)565.5583.5362.9ranked 362 of 1,810
Share of jobs in services (2024)32.8%64.9%63.6%ranked 1,723 of 1,804
Share of jobs in industry and construction (2024)63.3%30.3%24.2%ranked 32 of 1,776

Society

IndicatorSteinachSt. GallenNationalPosition?Rank
Share of foreign nationals (2025)25.5%27.2%18.9%ranked 502 of 1,811

Sunshine and temperatures: Steinach

Annual solar output
1,148kWh
for 1 kWp tilted at 39°
Warmest month
17.7°C
July
Coldest month
−1.4°C
January
Most productive month
128kWh
July

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

Frequently asked questions

What is the population of Steinach?

Steinach has 3,579 residents (2025), ranking 625 of 2,115 municipalities.

How big is Steinach?

Steinach covers 4.5 km², with a density of 797 people per km².

Is the population of Steinach growing?

Between 2015 and 2025, the population of Steinach went from 3,519 to 3,579, a change of +1.7%.

Where is Steinach?

Steinach is in St. Gallen. It belongs to Wahlkreis Rorschach (district). Latitude 47.500, longitude 9.433.

Share of jobs in industry and construction: what is the figure for Steinach?

In Steinach, “Share of jobs in industry and construction” stands at 63.3% (2024), ranking 32 of 1,776 municipalities; the national median is 24.2%.

Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Steinach?

In Steinach, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 2,887 kW (2026), ranking 59 of 1,806 municipalities; the national median is 1,134 kW.

How much electricity does a solar panel produce in Steinach?

In Steinach, a 1 kWp south-facing system tilted at 39° produces about 1,148 kWh a year.

Which municipalities border Steinach?

The nearest to Steinach are Arbon (1.9 km), Tübach (2.2 km), Horn (2.3 km), Berg (SG) (2.5 km), Roggwil (TG) (2.9 km).