Switzerland · Canton AG
Seon
5703AG CANTON5703
Residents
5'571
Area
9.6 km²
Elevation
445 m a.s.l.
Tax multiplier
108%
Postal codes
1
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 58.7%58.4% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 59.6%58.4% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 55.3%44.9% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 55.1%20.5% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP42.4% · strongest party
SVP42.4%
SP13.4%
FDP12.0%
Mitte8.8%
GLP8.3%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier108%
Cantonal tax multiplier103%
108%CH range 25%525%
Tax rank 98 of 196 in canton AargauSource: ESTV · retrieved 20.07.2026
Climate
Buchs / Aarau · 7 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 · CC0Websiteseon.ch ↗
Source: Wikidata · retrieved 27.07.2026
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Seon?
- The postal code of Seon is 5703.
- What is the tax rate in Seon?
- The municipal tax multiplier of Seon is 108% (2026); canton AG levies 103%.
- How many residents does Seon have?
- Seon has 5'571 residents.
- How many foreign residents live in Seon?
- Seon has 1'463 foreign residents, a share of 25.88% (2024).
- Which party is strongest in Seon?
- In the 2023 National Council election, SVP was the strongest party in Seon with 42.418% of the vote.