Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 68.5%54.1% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 69.5%55.3% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 57.3%46.3% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 57.2%19.6% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP42.0% · strongest party
SVP42.0%
Mitte15.4%
SP13.3%
FDP10.6%
GLP5.6%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier110%
Cantonal tax multiplier103%
110%CH range 25%525%
Tax rank 112 of 196 in canton AargauSource: ESTV · retrieved 20.07.2026
Climate
Buchs / Aarau · 11.1 kmAnnual mean temperature 202510.9 °C
Precipitation 20251'065 mm
10.9 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websiteherznach-ueken.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Herznach-Ueken?
- Herznach-Ueken has 2 postal codes: 5027, 5028.
- What is the tax rate in Herznach-Ueken?
- The municipal tax multiplier of Herznach-Ueken is 110% (2026); canton AG levies 103%.
- How many residents does Herznach-Ueken have?
- Herznach-Ueken has 2'634 residents.
- How many foreign residents live in Herznach-Ueken?
- Herznach-Ueken has 512 foreign residents, a share of 19.2% (2024).
- Which party is strongest in Herznach-Ueken?
- In the 2023 National Council election, SVP was the strongest party in Herznach-Ueken with 41.985% of the vote.