Demographics
BFS · 2023Women
791 48.1%
Men
855 51.9%
Children & youth (0–19)
355 21.6%
Swiss citizens
1'325 82.7%
Foreign residents
278 17.3%
0–19 · 355 · 21.6%20–64 · 1'042 · 63.3%65+ · 249 · 15.1%
Foreign residents 17.3%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 60.8%60.0% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 61.7%57.0% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 65.0%48.6% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 65.1%14.1% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP46.2% · strongest party
SVP46.2%
Mitte14.5%
GLP11.1%
FDP8.8%
SP8.0%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier104%
Cantonal tax multiplier103%
104%CH range 25%525%
Tax rank 76 of 196 in canton AargauSource: ESTV · retrieved 20.07.2026
Climate
Mosen · 10.8 kmAnnual mean temperature 202510.1 °C
Precipitation 2025913 mm
10.1 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitearistau.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (2)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Aristau?
- Aristau has 2 postal codes: 5628, 5630.
- What is the tax rate in Aristau?
- The municipal tax multiplier of Aristau is 104% (2026); canton AG levies 103%.
- How many residents does Aristau have?
- Aristau has 1'646 residents (2023).
- Which canton is Aristau in?
- Aristau is located in canton AG.