What is the postal code of Altstätten?

Altstätten has 6 postal codes: 9058, 9450, 9452, 9453, 9463, 9464.

What is the tax rate in Altstätten?

The municipal tax multiplier of Altstätten is 107% (2026); canton SG levies 105%.

How much tax do you pay in Altstätten?

A single person without children pays about 13'425 CHF income tax in Altstätten on 100'000 CHF gross income (federal, cantonal, municipal), rank 25 of 75 in canton SG. Source: ESTV (2026).

How many residents does Altstätten have?

Altstätten has 12'788 residents (2025).

How many foreign residents live in Altstätten?

Altstätten has 4'053 foreign residents, a share of 31.69% (2025).

Switzerland · Canton SG

Altstätten

9058–9464

SG CANTON9058 9450 9452 9453+2 PLZ

Residents

12'788

Area

39.5 km²

Population density

324 pop./km²

Elevation

465 m a.s.l.

Terrain up to

1'793 m a.s.l.

Tax multiplier

107%

Postal codes

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

Demographics

BFS · 2025

Women

6'289 49.2%

Men

6'499 50.8%

Children & youth (0–19)

2'512 19.6%

Swiss citizens

8'735 68.3%

Foreign residents

4'053 31.7%

Population density

324 pop./km²

0–19 · 2'512 · 19.6%20–64 · 7'747 · 60.6%65+ · 2'529 · 19.8%

Foreign residents 31.7%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Altstätten

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

61.1% YesNo 38.9%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

60.4% YesNo 39.7%

14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% Yes

55.9% YesNo 44.1%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

37.0% YesNo 63.0%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

19.7% YesNo 80.3%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

43.6% YesNo 56.4%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

44.9% YesNo 55.1%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

72.3% YesNo 27.7%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

50.9% YesNo 49.1%

08.03.2026Kantonsratsbeschluss über den Bau der «Kantonsstrasse zum See» mit Kostenbeteiligung am «Anschluss Witen mit Zubringer»Cantonal SG● Accepted · 54.0% Yes

55.9% YesNo 44.1%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SVP39.1% · strongest party

SVP39.1%

Mitte23.5%

FDP9.4%

SP9.2%

GRÜNE8.3%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier107%

Cantonal tax multiplier105%

107%SG range 61%155%

Tax rank 25 of 75 in canton St. Gallen

Tax burden

Single, 100'000 CHF gross income

13'425 CHF(13.4%)

Rank 25 of 75 in the canton · 668 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

100'000 CHF:13'425 CHF(~13.4%)

AltstättenCanton range St. GallenSwitzerland median

Show data table

Gross income	Altstätten	St. Gallen	Switzerland median
40'000	6%	4.8–7.3%	5.4%
50'000	7.7%	6.1–9.3%	7.8%
60'000	9.2%	7.4–11.2%	10.5%
70'000	10.4%	8.3–12.5%	11.9%
80'000	11.4%	9.2–13.8%	13.1%
90'000	12.4%	10–14.9%	14.1%
100'000	13.4%	10.9–16.1%	15.3%
110'000	14.3%	11.7–17.1%	16.3%
120'000	15.1%	12.3–18%	17.2%
130'000	15.8%	12.9–18.7%	18.1%
140'000	16.5%	13.6–19.5%	19%
150'000	17.1%	14.1–20.2%	19.7%
175'000	18.5%	15.4–21.8%	21.6%
200'000	19.7%	16.5–23.1%	23.2%
225'000	20.8%	17.5–24.2%	24.6%
250'000	21.7%	18.4–25.2%	25.8%
275'000	22.5%	19.1–26.1%	26.8%
300'000	23.1%	19.7–26.7%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20209.7 °C

Precipitation 1991–20201'393 mm

9.7 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'793 m

Mean elevation

638 m

Relief

1'386 m

Mean slope

11.3°

Flat share

47.9%

South-facing

18.1%

Above 2000 m

0.0%

Relief 1'386 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

Solar potential

BFE

Roof potential

127 GWh/yr

Roofs + façades

168.1 GWh/yr

≈ households powered

28'200

127 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

31.18 Rp./kWh

Energy

13.4 Rp./kWh

Grid usage

12.7 Rp./kWh

Levies + grid surcharge

3.35 Rp./kWh

31.18 Rp./kWh9.6443.61

Canton median 29.8 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Technische Betriebe Altstätten

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

Housing

BFS

Vacancy rate

1.06 %

Avg. rooms

3.8

Dwellings

6'531

Built before 194627.0%

Built since 200127.5%

1.06 %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 140 min · Car 90 min

AgglomerationPT 14 min · Car 5 min

Remoteness 6/75 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Head of governmentRuedi Mattle · Grünliberale Partei

Websitealtstaetten.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities12'788 #7 SG · #122 CH Families & children19.6% #59 SG · #1277 CH Age structure19.8% #34 SG · #1290 CH Women share49.2% #48 SG · #1429 CH Foreign residents31.7% #14 SG · #239 CH Population density324/km² #35 SG · #733 CH Tax burden13'425 #25 SG · #668 CH Taxes107% #25 SG Warmest municipalities9.7 °C #30 SG · #808 CH Sunniest municipalities43.3% #28 SG · #968 CH Rainiest municipalities1'393 mm #25 SG · #364 CH Voter turnout52.2% #52 SG · #1444 CH Against Switzerland25% #22 SG · #253 CH Aligned with Switzerland75% #51 SG · #1200 CH SVP strongholds39.1% #36 SG · #714 CH SP strongholds9.2% #43 SG · #1590 CH Centre strongholds23.5% #19 SG · #396 CH FDP strongholds9.4% #73 SG · #1459 CH GLP strongholds6.1% #13 SG · #951 CH Green strongholds8.3% #18 SG · #822 CH Largest by area39.5 km² #19 SG · #228 CH Highest municipalities465 m #51 SG · #1422 CH Remotest municipalities140 min #6 SG · #90 CH Best-connected municipalities140 min #70 SG · #2021 CH Highest peaks1'793 m #20 SG · #391 CH Highest-lying municipalities638 m #38 SG · #912 CH Greatest vertical range1'386 m #18 SG · #366 CH Steepest municipalities11.3° #34 SG · #827 CH Solar potential127 GWh #5 SG · #44 CH Cheapest electricity31.18 Rp./kWh #48 SG · #1833 CH Most expensive electricity31.18 Rp./kWh #28 SG · #274 CH

Postal codes (6)

swisstopo

Localities

swisstopo · 8

Altstätten SG9450 Brülisau9058 Eichberg9453 Hinterforst9452 Lienz9464 Lüchingen9450 Oberriet SG9463 Rüthi (Rheintal)9464

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Altstätten?: Altstätten has 6 postal codes: 9058, 9450, 9452, 9453, 9463, 9464.
What is the tax rate in Altstätten?: The municipal tax multiplier of Altstätten is 107% (2026); canton SG levies 105%.
How much tax do you pay in Altstätten?: A single person without children pays about 13'425 CHF income tax in Altstätten on 100'000 CHF gross income (federal, cantonal, municipal), rank 25 of 75 in canton SG. Source: ESTV (2026).
How many residents does Altstätten have?: Altstätten has 12'788 residents (2025).
How many foreign residents live in Altstätten?: Altstätten has 4'053 foreign residents, a share of 31.69% (2025).

Map

OpenStreetMap

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