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Taxes in Onex (GE) 2026

Rank № 43 of 45 communes in canton Geneva.

50.5%
Your exact tax bill for Onex →Compare with neighboring communes →

How Onex compares

Canton GE average▾41%
Cheapest in GE▾25%
Most expensive in GE▾51%
Switzerland median▾108%
Canton range
25–51
45 communes in GE
Cantonal average
41.2
commune-level multiplier
National median
108
across 2'110 communes
Example calculation: annual tax bill in Onex by income
StatusGross incomeAnnual tax
SingleCHF 80'000CHF 12'164
SingleCHF 120'000CHF 23'848
SingleCHF 180'000CHF 44'300
MarriedCHF 150'000CHF 24'353
Married, 2 childrenCHF 200'000CHF 32'300
Assumptions: standard deductions, no religious affiliation. Federal, cantonal and communal tax, excluding church tax. Source: ESTV.

Onex is at the higher end of the tax burden in canton Geneva. Onex's nearest neighboring commune is Confignon, 1.4 km away. Moving to Plan-les-Ouates would save roughly CHF 1'541 per year at an income of CHF 120,000. At an income of CHF 120,000, the total tax bill in Onex is roughly CHF 23'848.

Tax at CHF 100k single — interactive canton map of Switzerland
Tax at CHF 100k single
All cantons · ranked by tax at chf 100k single
  1. 1ZGZugCHF 7700
  2. 2SZSchwyzCHF 9200
  3. 3NWNidwaldenCHF 11000
  4. 4AIAppenzell InnerrhodenCHF 11100
  5. 5LULucerneCHF 12300
  6. 6SHSchaffhausenCHF 12400
  7. 7ZHZurichCHF 12800
  8. 8AGAargauCHF 13300
  9. 9GRGraubündenCHF 13600
  10. 10GLGlarusCHF 14100
  11. 11URUriCHF 14300
  12. 12TGThurgauCHF 14300
  13. 13OWObwaldenCHF 14900
  14. 14VSValaisCHF 15400
  15. 15ARAppenzell AusserrhodenCHF 15400
  16. 16TITicinoCHF 15900
  17. 17SGSt. GallenCHF 16300
  18. 18SOSolothurnCHF 17000
  19. 19JUJuraCHF 17100
  20. 20BLBasel-LandschaftCHF 17300
  21. 21GEGenevayoursCHF 17400
  22. 22FRFribourgCHF 18200
  23. 23VDVaudCHF 18600
  24. 24BEBernCHF 19300
  25. 25NENeuchâtelCHF 19400
  26. 26BSBasel-StadtCHF 20700
Within canton GE98% along
25%50.5% · here51%
Across Switzerland5% along
25%50.5% · here525%

The 5 nearest communes

GE1.4 km
Confignon
saves CHF 514/year
GE1.6 km
Lancy
saves CHF 399/year
GE2.6 km
Bernex
saves CHF 285/year
GE2.8 km
Plan-les-Ouates
saves CHF 1'541/year
GE2.9 km
Vernier
saves CHF 57/year
What is the tax rate in Onex in 2026?
The communal tax rate (Steuerfuss) in Onex is 50.5% in 2026. Communes in canton Geneva average 41.2% — Onex's own rate is what actually applies to residents there.
How much tax do you pay in Onex on a CHF 100,000 income?
On a gross income of CHF 100,000 (single, no religious affiliation), the total tax bill in Onex is roughly CHF 17'830 per year.
Is Onex a low-tax commune?
Onex ranks 43 of 45 in canton Geneva and is among the higher-tax communes there.
Which neighboring commune has lower taxes?
Plan-les-Ouates is only 2.8 km away, and the tax bill there is roughly CHF 1'541 lower at an income of CHF 120,000.
Sources & methodology

Source: ESTV cantonal tax sheets 2026. Illustrative calculation based on standard assumptions — use the calculator for an exact figure.