Demographics
BFS · 2023Women
3'796 49.8%
Men
3'819 50.2%
Children & youth (0–19)
1'624 21.3%
Swiss citizens
5'332 68.3%
Foreign residents
2'480 31.8%
0–19 · 1'624 · 21.3%20–64 · 4'496 · 59.0%65+ · 1'495 · 19.6%
Foreign residents 31.8%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 62.4%54.5% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 63.1%44.7% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 58.9%53.2% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 58.7%26.4% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP30.1% · strongest party
SVP30.1%
SP19.6%
Mitte14.0%
FDP12.7%
GRÜNE8.8%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier105%
Cantonal tax multiplier103%
105%CH range 25%525%
Tax rank 80 of 196 in canton AargauSource: ESTV · retrieved 20.07.2026
Climate
Würenlingen / PSI · 3.5 kmAnnual mean temperature 202510.6 °C
Precipitation 2025953 mm
10.6 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websiteuntersiggenthal.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (3)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Untersiggenthal?
- Untersiggenthal has 3 postal codes: 5301, 5416, 5417.
- What is the tax rate in Untersiggenthal?
- The municipal tax multiplier of Untersiggenthal is 105% (2026); canton AG levies 103%.
- How many residents does Untersiggenthal have?
- Untersiggenthal has 7'615 residents (2023).
- Which canton is Untersiggenthal in?
- Untersiggenthal is located in canton AG.