Taxes in Grenchen

Name: Taxes in Grenchen (SO): tax burden 2026 | taxoo (2023-2026)
Creator: ESTV

Municipality in the canton of Solothurn, FSO no. 2546

Calculated by taxoo from ESTV tax data, tax years 2023 to 2026

Open Grenchen in taxoo

Current tax burden

Total tax 2026, 1 Adult, 0 Kids, income CHF 100’000

CHF 16’386

16.39 % of income

Household	Income	Total tax% of income	% of income
1 Adult, 0 Kids, 80kIncome: CHF 80’000	CHF 80’000	CHF 11’62814.54 %	14.54 %
1 Adult, 0 KidsIncome: CHF 100’000	CHF 100’000	CHF 16’38616.39 %	16.39 %
1 Adult, 0 Kids, 150kIncome: CHF 150’000	CHF 150’000	CHF 30’30120.20 %	20.20 %
1 Adult, 1 KidIncome: CHF 100’000	CHF 100’000	CHF 9’0659.06 %	9.06 %
1 Adult, RetiredIncome: CHF 50’000	CHF 50’000	CHF 6’32412.65 %	12.65 %
2 Adults, RetiredIncome: CHF 100’000	CHF 100’000	CHF 13’83413.83 %	13.83 %
2 Adults, 0 KidsIncome: CHF 160’000	CHF 160’000	CHF 24’48215.30 %	15.30 %
2 Adults, 2 KidsIncome: CHF 150’000	CHF 150’000	CHF 16’05810.71 %	10.71 %

About Grenchen

Grenchen ranks 34 of 104 municipalities in the canton of Solothurn for a single person on CHF 100’000, where rank 1 is the lowest tax burden.

Compared with the canton median the burden is similar, compared with the Swiss median it is higher.

From 2023 to 2026 the total tax fell by CHF 464. The largest component is the municipal tax.

Historical tax trend

Total tax per year, 1 Adult, 0 Kids

2023CHF 16’850 16.85 %
2024CHF 16’750 16.75 %
2025CHF 16’560 16.56 %
2026CHF 16’386 16.39 %

All households by year
Household	2023	2024	2025	2026	Change 2023 to 2026
1 Adult, 0 Kids, 80k	CHF 11’947	CHF 11’904	CHF 11’797	CHF 11’628	-CHF 319 -0.40 pp
1 Adult, 0 Kids	CHF 16’850	CHF 16’750	CHF 16’560	CHF 16’386	-CHF 464 -0.46 pp
1 Adult, 0 Kids, 150k	CHF 31’036	CHF 30’870	CHF 30’546	CHF 30’301	-CHF 735 -0.49 pp
1 Adult, 1 Kid	CHF 9’558	CHF 9’495	CHF 9’385	CHF 9’065	-CHF 493 -0.49 pp
1 Adult, Retired	CHF 6’584	CHF 6’555	CHF 6’484	CHF 6’324	-CHF 260 -0.52 pp
2 Adults, Retired	CHF 14’372	CHF 14’300	CHF 14’142	CHF 13’834	-CHF 538 -0.54 pp
2 Adults, 0 Kids	CHF 25’246	CHF 25’076	CHF 24’808	CHF 24’482	-CHF 764 -0.48 pp
2 Adults, 2 Kids	CHF 16’865	CHF 16’737	CHF 16’525	CHF 16’058	-CHF 807 -0.54 pp

Component split

1 Adult, 0 Kids, 2026

Component	1 Adult, 0 Kids	1 Adult, 1 Kid	2 Adults, Retired	2 Adults, 2 Kids	Share (1A0K)
Federal tax	CHF 1’701	CHF 621	CHF 1’429	CHF 1’027	10 %
Cantonal tax	CHF 6’939	CHF 3’974	CHF 5’818	CHF 7’065	42 %
Municipal tax	CHF 7’666	CHF 4’390	CHF 6’427	CHF 7’806	47 %
Personal tax	CHF 80	CHF 80	CHF 160	CHF 160	0 %
Total tax	CHF 16’386	CHF 9’065	CHF 13’834	CHF 16’058

Church tax is not included in these figures.

Federal tax is the same in every municipality for a given household.

Ways to save tax

In Grenchen, a single person on CHF 100’000 saves CHF 2’116 in tax for 2026 by paying the maximum into pillar 3a.

Tax saved per year, 2026
Lever	1 Adult, 0 Kids	1 Adult, 1 Kid	2 Adults, 2 Kids
Pillar 3a in fullCHF 7’258 per employed person	CHF 2’116	CHF 1’725	CHF 3’757
Pension fund buy-inCHF 10’000 paid in	CHF 2’879	CHF 2’379	CHF 2’589
Childcare costsCHF 10’000 a year, children under 14	-	CHF 2’379	CHF 2’589

Savings of the model households, calculated with the same engine as the tax figures. A buy-in needs a gap in the pension fund. Your saving depends on your income and deductions.

Calculate your own savings in My taxes

Canton comparison

Rank in the canton: 34 of 104 Rank 1 is the lowest tax burden.

1 Adult, 0 Kids, 2026
Canton comparison	Total tax% of income	% of income
This municipality: Grenchen	CHF 16’38616.39 %	16.39 %
Canton median	CHF 16’71716.72 %	16.72 %
Lowest in the canton: Kammersrohr	CHF 13’02713.03 %	13.03 %
Highest in the canton: Bolken	CHF 18’37518.38 %	18.38 %
Swiss median	CHF 15’29015.29 %	15.29 %