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

Rorschacherberg: population and statistics

Rorschacherberg has a population of 7,741 (2025) across 7.1 km², or 1,092 people per km². It ranks 251 of 2,115 municipalities by population. Its population is growing: +7.3% between 2015 and 2025.

  • 7,741 residents
  • 7.1 km²
  • 1,092 people/km²
  • 582 m

Key points

Among the 75 municipalities in St. Gallen, Rorschacherberg ranks No. 20 by population.

Rooftop solar potential per inhabitant: 3,704 kWh/inh. in Rorschacherberg, compared with an average of 7,485 kWh/inh. in St. Gallen and 7,100 kWh/inh. nationally.

A 1 kWp solar panel tilted at 37° generates about 1,122 kWh a year here.

Rorschacherberg in numbers

Population
7,741
ranked 251 of 2,115
+7.3%over 10 years
2015–2025
Population density
1,092people/km²
ranked 219 of 1,806
Area
7.1km²
ranked 1,187 of 2,110
Elevation
582m
ranked 823 of 2,114
Rooftop solar potential per inhabitant
3,704kWh/inh.
ranked 1,768 of 1,810
Dwellings
3,926
ranked 274 of 2,108
Share of foreign nationals
31.3%
ranked 249 of 1,811
Entities listed in the commercial register
483
ranked 303 of 2,115

Where is Rorschacherberg?

Population of Rorschacherberg over time

7,0007,2007,4007,6007,800201520172019202120232025
Population, 2015–2025

Rorschacherberg had 7,214 residents in 2015 and 7,741 in 2025.

YearPopulation
20207,465
20217,592
20227,620
20237,685
20247,716
20257,741

Did you know?

All indicators for Rorschacherberg

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.

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

Population

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Share of people aged 65 and over (2025)23.1%19.9%20.7%ranked 501 of 1,811

Housing

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Dwellings (2026)3,926280,8534,927,050ranked 274 of 2,108
Dwellings in buildings built before 1946 (2026)12.2%23.5%23.3%ranked 1,508 of 1,806
Dwellings in buildings built since 2001 (2026)24.0%24.8%25.3%ranked 985 of 1,806
Share of single-family houses among residential buildings (2026)63.3%64.1%69.5%ranked 1,229 of 1,806

Energy

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Oil or gas heating systems (2026)59.7%52.2%53.5%ranked 697 of 1,806
Heat pumps as main heating (2026)35.6%30.7%13.7%ranked 137 of 1,806
Wood heating systems (2026)4.1%9.0%12.4%ranked 1,519 of 1,806
District heating (2026)0.2%6.0%1.4%ranked 1,461 of 1,806
Photovoltaic installations (2026)25826,111329,600ranked 352 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)681.1 kW1,325 kW1,134 kWranked 1,501 of 1,806
Rooftop solar electricity potential (2026)28.7 GWh/year4,072 GWh/year64,783 GWh/yearranked 713 of 2,114
Rooftop solar potential per inhabitant (2026)3,704 kWh/inh.7,485 kWh/inh.9,356 kWh/inh.ranked 1,768 of 1,810

Economy

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Establishments (2024)28939,699728,011ranked 531 of 2,112
Entities listed in the commercial register (2026)48342,658762,757ranked 303 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)62.478.464.9ranked 1,002 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)61.3%65.2%65.7%ranked 1,278 of 1,808
Share of sole proprietorships among registered entities (2026)34.6%29.2%29.0%ranked 429 of 1,808

Employment

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Jobs (2024)2,108317,4615,679,518ranked 446 of 2,111
Jobs per 1,000 inhabitants (2024)272.3583.5362.9ranked 1,283 of 1,810
Share of jobs in services (2024)80.0%64.9%63.6%ranked 328 of 1,804
Share of jobs in industry and construction (2024)17.7%30.3%24.2%ranked 1,212 of 1,776

Society

IndicatorRorschacherbergSt. GallenNationalPosition?Rank
Share of foreign nationals (2025)31.3%27.2%18.9%ranked 249 of 1,811

Sunshine and temperatures: Rorschacherberg

Annual solar output
1,122kWh
for 1 kWp tilted at 37°
Warmest month
18.4°C
July
Coldest month
−1.1°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 Rorschacherberg?

Rorschacherberg has 7,741 residents (2025), ranking 251 of 2,115 municipalities.

How big is Rorschacherberg?

Rorschacherberg covers 7.1 km², with a density of 1,092 people per km².

Is the population of Rorschacherberg growing?

Between 2015 and 2025, the population of Rorschacherberg went from 7,214 to 7,741, a change of +7.3%.

Where is Rorschacherberg?

Rorschacherberg is in St. Gallen. It belongs to Wahlkreis Rorschach (district). Latitude 47.466, longitude 9.500.

Rooftop solar potential per inhabitant: what is the figure for Rorschacherberg?

In Rorschacherberg, “Rooftop solar potential per inhabitant” stands at 3,704 kWh/inh. (2026), ranking 1,768 of 1,810 municipalities; the national median is 9,356 kWh/inh..

Dwellings: what is the figure for Rorschacherberg?

In Rorschacherberg, “Dwellings” stands at 3,926 (2026), ranking 274 of 2,108 municipalities; the national median is 990.

How much electricity does a solar panel produce in Rorschacherberg?

In Rorschacherberg, a 1 kWp south-facing system tilted at 37° produces about 1,122 kWh a year.

Which municipalities border Rorschacherberg?

The nearest to Rorschacherberg are Rorschach (1.4 km), Grub (AR) (2.2 km), Goldach (3.1 km), Eggersriet (3.1 km), Heiden (3.7 km).