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Switzerland · Canton SG

St. Margrethen

9424–9430
SG CANTON942494289430
Residents
6'731
Area
6.9 km²
Population density
980 pop./km²
Elevation
408 m a.s.l.
Terrain up to
622 m a.s.l.
Tax multiplier
109%
Postal codes
3

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
3'184 47.3%
Men
3'547 52.7%
Children & youth (0–19)
1'393 20.7%
Swiss citizens
3'190 47.4%
Foreign residents
3'541 52.6%
Population density
980 pop./km²
0–19 · 1'393 · 20.7%20–64 · 4'178 · 62.1%65+ · 1'160 · 17.2%
Foreign residents 52.6%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
SVP43.1% · strongest party
SVP43.1%
FDP16.2%
Mitte15.5%
SP11.9%
GRÜNE4.9%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier109%
Cantonal tax multiplier105%
109%SG range 61%155%
Tax rank 27 of 75 in canton St. Gallen
Tax burden
Single, 100'000 CHF gross income
13'536 CHF(13.5%)
Rank 27 of 75 in the canton · 700 of 2110 in Switzerland
Median canton 13'868 CHF · median Switzerland 15'290 CHF
Cheapest Balgach 10'881 CHF · most expensive Lütisburg 16'080 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:13'536 CHF(~13.5%)
St. MargrethenCanton range St. GallenSwitzerland median
Show data table
Gross incomeSt. MargrethenSt. GallenSwitzerland median
40'0006.1%4.87.3%5.4%
50'0007.8%6.19.3%7.8%
60'0009.3%7.411.2%10.5%
70'00010.5%8.312.5%11.9%
80'00011.5%9.213.8%13.1%
90'00012.5%1014.9%14.1%
100'00013.5%10.916.1%15.3%
110'00014.4%11.717.1%16.3%
120'00015.2%12.318%17.2%
130'00015.9%12.918.7%18.1%
140'00016.6%13.619.5%19%
150'00017.2%14.120.2%19.7%
175'00018.6%15.421.8%21.6%
200'00019.9%16.523.1%23.2%
225'00020.9%17.524.2%24.6%
250'00021.9%18.425.2%25.8%
275'00022.6%19.126.1%26.8%
300'00023.3%19.726.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.2 °C
Precipitation 1991–20201'149 mm
10.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
622 m
Mean elevation
443 m
Relief
227 m
Mean slope
8.9°
Flat share
52.4%
South-facing
1.1%
Above 2000 m
0.0%
Relief 227 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
54.1 GWh/yr
Roofs + façades
68.6 GWh/yr
≈ households powered
12'000
54 GWh/yr01'133 GWh/yr
BFE solar factsheet

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

Electricity

ElCom · 2026
Tariff H4
27.26 Rp./kWh
Energy
12.04 Rp./kWh
Grid usage
9.97 Rp./kWh
Levies + grid surcharge
3.78 Rp./kWh
27.26 Rp./kWh9.6443.61
Canton median 29.8 Rp./kWhSwiss median 27.7 Rp./kWh
Network operator Technische Betriebe, Politische Gemeinde St. Margrethen
ElCom tariff comparison
How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Vacancy rate
2.17 %
Avg. rooms
3.7
Dwellings
3'178
Built before 194622.7%
Built since 200122.5%
2.17 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM
Major centrePT 109 min · Car 81 min
AgglomerationPT 29 min · Car 18 min
Remoteness 28/75 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 3
What is the postal code of St. Margrethen?
St. Margrethen has 3 postal codes: 9424, 9428, 9430.
What is the tax rate in St. Margrethen?
The municipal tax multiplier of St. Margrethen is 109% (2026); canton SG levies 105%.
How much tax do you pay in St. Margrethen?
A single person without children pays about 13'536 CHF income tax in St. Margrethen on 100'000 CHF gross income (federal, cantonal, municipal), rank 27 of 75 in canton SG. Source: ESTV (2026).
How many residents does St. Margrethen have?
St. Margrethen has 6'731 residents (2025).
How many foreign residents live in St. Margrethen?
St. Margrethen has 3'541 foreign residents, a share of 52.61% (2025).

Map

OpenStreetMap