Demographics
BFS · 2023Women
8'903 50.4%
Men
8'776 49.6%
Children & youth (0–19)
3'466 19.6%
Swiss citizens
12'556 70.7%
Foreign residents
5'200 29.3%
0–19 · 3'466 · 19.6%20–64 · 10'737 · 60.7%65+ · 3'476 · 19.7%
Foreign residents 29.3%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 56.5%55.3% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 57.5%47.3% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 57.8%51.7% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 57.6%28.7% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP32.2% · strongest party
SVP32.2%
SP19.2%
FDP11.4%
GLP10.7%
Mitte9.7%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier113%
Cantonal tax multiplier95%
113%CH range 25%525%
Tax rank 109 of 160 in canton ZurichSource: ESTV · retrieved 20.07.2026
Climate
Pfäffikon, ZH · 8.6 kmAnnual mean temperature 20259.8 °C
Precipitation 20251'129 mm
9.8 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websiteillnau-effretikon.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (5)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Illnau-Effretikon?
- Illnau-Effretikon has 5 postal codes: 8307, 8308, 8314, 8482, 8483.
- What is the tax rate in Illnau-Effretikon?
- The municipal tax multiplier of Illnau-Effretikon is 113% (2026); canton ZH levies 95%.
- How many residents does Illnau-Effretikon have?
- Illnau-Effretikon has 17'679 residents (2023).
- Which canton is Illnau-Effretikon in?
- Illnau-Effretikon is located in canton ZH.