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Taxes in Grenchen (SO) 2026

Rank № 32 of 104 communes in canton Solothurn.

114.9%
Your exact tax bill for Grenchen →Compare with neighboring communes →

How Grenchen compares

Canton SO average▾118%
Cheapest in SO▾65%
Most expensive in SO▾145%
Switzerland median▾108%
Canton range
65–145
104 communes in SO
Cantonal average
118.2
commune-level multiplier
National median
108
across 2'110 communes
Example calculation: annual tax bill in Grenchen by income
StatusGross incomeAnnual tax
SingleCHF 80'000CHF 12'303
SingleCHF 120'000CHF 22'928
SingleCHF 180'000CHF 42'348
MarriedCHF 150'000CHF 24'901
Married, 2 childrenCHF 200'000CHF 34'690
Assumptions: standard deductions, no religious affiliation. Federal, cantonal and communal tax, excluding church tax. Source: ESTV.

Grenchen sits in the middle of canton Solothurn's tax range, at a rate of 114.9%. Grenchen's nearest neighboring commune is Bettlach, 2.5 km away. At an income of CHF 120,000, the total tax bill in Grenchen is roughly CHF 22'928.

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. 18SOSolothurnyoursCHF 17000
  19. 19JUJuraCHF 17100
  20. 20BLBasel-LandschaftCHF 17300
  21. 21GEGenevaCHF 17400
  22. 22FRFribourgCHF 18200
  23. 23VDVaudCHF 18600
  24. 24BEBernCHF 19300
  25. 25NENeuchâtelCHF 19400
  26. 26BSBasel-StadtCHF 20700
Within canton SO62% along
65%114.9% · here145%
Across Switzerland18% along
25%114.9% · here525%

The 5 nearest communes

SO2.5 km
Bettlach
saves CHF 1'436/year
BE2.7 km
Lengnau (BE)
costs CHF 1'902/year more
BE4.7 km
Romont (BE)
costs CHF 2'436/year more
SO4.9 km
Selzach
saves CHF 623/year
BE4.9 km
Arch
costs CHF 3'164/year more
What is the tax rate in Grenchen in 2026?
The communal tax rate (Steuerfuss) in Grenchen is 114.9% in 2026. Communes in canton Solothurn average 118.2% — Grenchen's own rate is what actually applies to residents there.
How much tax do you pay in Grenchen on a CHF 100,000 income?
On a gross income of CHF 100,000 (single, no religious affiliation), the total tax bill in Grenchen is roughly CHF 17'440 per year.
Is Grenchen a low-tax commune?
Grenchen ranks 32 of 104 in canton Solothurn, in the middle of the cantonal tax range.
Sources & methodology

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