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

Mörschwil: population and statistics

Mörschwil has a population of 3,702 (2025) across 9.8 km², or 377 people per km². It ranks 611 of 2,115 municipalities by population. Its population is growing: +4.0% between 2015 and 2025.

  • 3,702 residents
  • 9.8 km²
  • 377 people/km²
  • 558 m

Key points

Among the 75 municipalities in St. Gallen, Mörschwil ranks No. 51 by population.

Heat pumps as main heating: 53.2% in Mörschwil, compared with an average of 30.7% in St. Gallen and 15.5% nationally.

Entities in the commercial register per 1,000 inhabitants: 111.6 in Mörschwil, compared with an average of 78.4 in St. Gallen and 83.6 nationally.

A 1 kWp solar panel tilted at 39° generates about 1,145 kWh a year here.

Mörschwil in numbers

Population
3,702
ranked 611 of 2,115
+4.0%over 10 years
2015–2025
Population density
377people/km²
ranked 681 of 1,806
Area
9.8km²
ranked 925 of 2,110
Elevation
558m
ranked 920 of 2,114
Heat pumps as main heating
53.2%
ranked 9 of 1,806
Entities in the commercial register per 1,000 inhabitants
111.6
ranked 130 of 1,811
Share of foreign nationals
10.3%
ranked 1,509 of 1,811
Share of people aged 65 and over
24.1%
ranked 383 of 1,811

Where is Mörschwil?

Population of Mörschwil over time

3,5503,6003,6503,7003,750201520172019202120232025
Population, 2015–2025

Mörschwil had 3,561 residents in 2015 and 3,702 in 2025.

YearPopulation
20203,676
20213,638
20223,619
20233,662
20243,671
20253,702

Did you know?

All indicators for Mörschwil

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.

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

Population

IndicatorMörschwilSt. GallenNationalPosition?Rank
Share of people aged 65 and over (2025)24.1%19.9%20.7%ranked 383 of 1,811

Housing

IndicatorMörschwilSt. GallenNationalPosition?Rank
Dwellings (2026)1,653280,8534,927,050ranked 726 of 2,108
Dwellings in buildings built before 1946 (2026)19.8%23.5%23.3%ranked 1,071 of 1,806
Dwellings in buildings built since 2001 (2026)29.3%24.8%25.3%ranked 654 of 1,806
Share of single-family houses among residential buildings (2026)70.2%64.1%69.5%ranked 869 of 1,806

Energy

IndicatorMörschwilSt. GallenNationalPosition?Rank
Oil or gas heating systems (2026)37.4%52.2%53.5%ranked 1,438 of 1,806
Heat pumps as main heating (2026)53.2%30.7%13.7%ranked 9 of 1,806
Wood heating systems (2026)5.3%9.0%12.4%ranked 1,417 of 1,806
District heating (2026)0.9%6.0%1.4%ranked 1,041 of 1,806
Photovoltaic installations (2026)27626,111329,600ranked 316 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,893 kW1,325 kW1,134 kWranked 265 of 1,806
Rooftop solar electricity potential (2026)30.9 GWh/year4,072 GWh/year64,783 GWh/yearranked 649 of 2,114
Rooftop solar potential per inhabitant (2026)8,350 kWh/inh.7,485 kWh/inh.9,356 kWh/inh.ranked 1,103 of 1,810

Economy

IndicatorMörschwilSt. GallenNationalPosition?Rank
Establishments (2024)30239,699728,011ranked 504 of 2,112
Entities listed in the commercial register (2026)41342,658762,757ranked 358 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)111.678.464.9ranked 130 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)73.1%65.2%65.7%ranked 299 of 1,808
Share of sole proprietorships among registered entities (2026)21.3%29.2%29.0%ranked 1,519 of 1,808

Employment

IndicatorMörschwilSt. GallenNationalPosition?Rank
Jobs (2024)1,298317,4615,679,518ranked 681 of 2,111
Jobs per 1,000 inhabitants (2024)350.6583.5362.9ranked 947 of 1,810
Share of jobs in services (2024)67.3%64.9%63.6%ranked 756 of 1,804
Share of jobs in industry and construction (2024)25.4%30.3%24.2%ranked 830 of 1,776

Society

IndicatorMörschwilSt. GallenNationalPosition?Rank
Share of foreign nationals (2025)10.3%27.2%18.9%ranked 1,509 of 1,811

Sunshine and temperatures: Mörschwil

Annual solar output
1,145kWh
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 Mörschwil?

Mörschwil has 3,702 residents (2025), ranking 611 of 2,115 municipalities.

How big is Mörschwil?

Mörschwil covers 9.8 km², with a density of 377 people per km².

Is the population of Mörschwil growing?

Between 2015 and 2025, the population of Mörschwil went from 3,561 to 3,702, a change of +4.0%.

Where is Mörschwil?

Mörschwil is in St. Gallen. It belongs to Wahlkreis Rorschach (district). Latitude 47.468, longitude 9.426.

Heat pumps as main heating: what is the figure for Mörschwil?

In Mörschwil, “Heat pumps as main heating” stands at 53.2% (2026), ranking 9 of 1,806 municipalities; the national median is 13.7%.

Entities in the commercial register per 1,000 inhabitants: what is the figure for Mörschwil?

In Mörschwil, “Entities in the commercial register per 1,000 inhabitants” stands at 111.6 (2026), ranking 130 of 1,811 municipalities; the national median is 64.9.

How much electricity does a solar panel produce in Mörschwil?

In Mörschwil, a 1 kWp south-facing system tilted at 39° produces about 1,145 kWh a year.

Which municipalities border Mörschwil?

The nearest to Mörschwil are Untereggen (1.8 km), Tübach (2.5 km), Berg (SG) (2.5 km), Goldach (3.5 km), Wittenbach (3.5 km).