What is the postal code of Obersiggenthal?

Obersiggenthal has 2 postal codes: 5415, 5416.

What is the tax rate in Obersiggenthal?

The municipal tax multiplier of Obersiggenthal is 110% (2026); canton AG levies 103%.

How many residents does Obersiggenthal have?

Obersiggenthal has 8'881 residents (2023).

Which canton is Obersiggenthal in?

Obersiggenthal is located in canton AG.

Switzerland · Canton AG

Obersiggenthal

5415–5416

AG CANTON5415 5416

Residents

8'881

Area

8.4 km²

Tax multiplier

110%

Postal codes

Demographics

BFS · 2023

Women

4'473 50.4%

Men

4'408 49.6%

Children & youth (0–19)

1'851 20.8%

Swiss citizens

5'984 66.7%

Foreign residents

2'982 33.3%

0–19 · 1'851 · 20.8%20–64 · 5'121 · 57.7%65+ · 1'909 · 21.5%

Foreign residents 33.3%0%61.6%

Source: BFS/OFS · retrieved 24.07.2026

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 60.6%52.6% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 61.7%39.3% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 56.8%54.9% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 56.6%27.6% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP23.8% · strongest party

SVP23.8%

SP21.3%

Mitte15.9%

FDP14.1%

GLP9.8%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier110%

Cantonal tax multiplier103%

110%CH range 25%525%

Tax rank 110 of 196 in canton Aargau

Source: ESTV · retrieved 20.07.2026

Climate

Würenlingen / PSI · 6.9 km

Annual mean temperature 202510.6 °C

Precipitation 2025953 mm

10.6 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteobersiggenthal.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Obersiggenthal?: Obersiggenthal has 2 postal codes: 5415, 5416.
What is the tax rate in Obersiggenthal?: The municipal tax multiplier of Obersiggenthal is 110% (2026); canton AG levies 103%.
How many residents does Obersiggenthal have?: Obersiggenthal has 8'881 residents (2023).
Which canton is Obersiggenthal in?: Obersiggenthal is located in canton AG.

Map

OpenStreetMap