Location map: Rheineck
Municipality · Wahlkreis Rheintal · St. Gallen

Rheineck: population and statistics

Rheineck has a population of 3,566 (2025) across 2.2 km², or 1,636 people per km². It ranks 626 of 2,115 municipalities by population. Its population is growing: +7.7% between 2015 and 2025.

  • 3,566 residents
  • 2.2 km²
  • 1,636 people/km²
  • 399 m

Key points

Among the 75 municipalities in St. Gallen, Rheineck ranks No. 54 by population.

District heating: 0.0% in Rheineck, compared with an average of 6.0% in St. Gallen and 7.3% nationally.

Share of foreign nationals: 36.1% in Rheineck, compared with an average of 27.2% in St. Gallen and 27.7% nationally.

A 1 kWp solar panel tilted at 39° generates about 1,175 kWh a year here.

Rheineck in numbers

Population
3,566
ranked 626 of 2,115
+7.7%over 10 years
2015–2025
Population density
1,636people/km²
ranked 118 of 1,806
Area
2.2km²
ranked 1,963 of 2,110
Elevation
399m
ranked 1,890 of 2,114
District heating
0.0%
ranked 1,506 of 1,806
Share of foreign nationals
36.1%
ranked 136 of 1,811
Entities in the commercial register per 1,000 inhabitants
102.4
ranked 181 of 1,811
Share of jobs in industry and construction
43.1%
ranked 231 of 1,776

Where is Rheineck?

Population of Rheineck over time

3,3003,4003,5003,600201520172019202120232025
Population, 2015–2025

Rheineck had 3,311 residents in 2015 and 3,566 in 2025.

YearPopulation
20203,404
20213,461
20223,481
20233,516
20243,514
20253,566

Did you know?

All indicators for Rheineck

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.

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

Population

IndicatorRheineckSt. GallenNationalPosition?Rank
Share of people aged 65 and over (2025)22.0%19.9%20.7%ranked 695 of 1,811

Housing

IndicatorRheineckSt. GallenNationalPosition?Rank
Dwellings (2026)1,914280,8534,927,050ranked 632 of 2,108
Dwellings in buildings built before 1946 (2026)37.2%23.5%23.3%ranked 346 of 1,806
Dwellings in buildings built since 2001 (2026)18.0%24.8%25.3%ranked 1,375 of 1,806
Share of single-family houses among residential buildings (2026)64.5%64.1%69.5%ranked 1,165 of 1,806

Energy

IndicatorRheineckSt. GallenNationalPosition?Rank
Oil or gas heating systems (2026)74.6%52.2%53.5%ranked 210 of 1,806
Heat pumps as main heating (2026)22.4%30.7%13.7%ranked 459 of 1,806
Wood heating systems (2026)2.6%9.0%12.4%ranked 1,647 of 1,806
District heating (2026)0.0%6.0%1.4%ranked 1,506 of 1,806
Photovoltaic installations (2026)14926,111329,600ranked 737 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,294 kW1,325 kW1,134 kWranked 715 of 1,806
Rooftop solar electricity potential (2026)24.5 GWh/year4,072 GWh/year64,783 GWh/yearranked 856 of 2,114
Rooftop solar potential per inhabitant (2026)6,882 kWh/inh.7,485 kWh/inh.9,356 kWh/inh.ranked 1,407 of 1,810

Economy

IndicatorRheineckSt. GallenNationalPosition?Rank
Establishments (2024)27339,699728,011ranked 554 of 2,112
Entities listed in the commercial register (2026)36542,658762,757ranked 414 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)102.478.464.9ranked 181 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)64.9%65.2%65.7%ranked 970 of 1,808
Share of sole proprietorships among registered entities (2026)32.1%29.2%29.0%ranked 643 of 1,808

Employment

IndicatorRheineckSt. GallenNationalPosition?Rank
Jobs (2024)1,706317,4615,679,518ranked 546 of 2,111
Jobs per 1,000 inhabitants (2024)478.4583.5362.9ranked 537 of 1,810
Share of jobs in services (2024)55.7%64.9%63.6%ranked 1,173 of 1,804
Share of jobs in industry and construction (2024)43.1%30.3%24.2%ranked 231 of 1,776

Society

IndicatorRheineckSt. GallenNationalPosition?Rank
Share of foreign nationals (2025)36.1%27.2%18.9%ranked 136 of 1,811

Sunshine and temperatures: Rheineck

Annual solar output
1,175kWh
for 1 kWp tilted at 39°
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 Rheineck?

Rheineck has 3,566 residents (2025), ranking 626 of 2,115 municipalities.

How big is Rheineck?

Rheineck covers 2.2 km², with a density of 1,636 people per km².

Is the population of Rheineck growing?

Between 2015 and 2025, the population of Rheineck went from 3,311 to 3,566, a change of +7.7%.

Where is Rheineck?

Rheineck is in St. Gallen. It belongs to Wahlkreis Rheintal (district). Latitude 47.470, longitude 9.583.

District heating: what is the figure for Rheineck?

In Rheineck, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.

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

In Rheineck, “Share of foreign nationals” stands at 36.1% (2025), ranking 136 of 1,811 municipalities; the national median is 18.9%.

How much electricity does a solar panel produce in Rheineck?

In Rheineck, a 1 kWp south-facing system tilted at 39° produces about 1,175 kWh a year.

Which municipalities border Rheineck?

The nearest to Rheineck are Thal (1.3 km), Lutzenberg (1.3 km), Walzenhausen (2.5 km), Wolfhalden (3.0 km), St. Margrethen (4.4 km).