Aargau tax
In Aargau, income tax, withholding tax and deadlines depend on cantonal rules as well as federal ones. This page brings together the reference tax burden, the withholding tax rates, notices from the tax authority and our articles on tax.
The area borders Germany: for those who cross the border every day, the rules and prices on both sides matter. Official sources publish in German; data, notices and articles are collected here and updated when they change.
Updated on
Tax burden 2026
Cantonal, municipal and federal income tax as a share of gross annual income, for a single person without children living in the cantonal capital.
- Gross income of 30,000 CHF (Aarau): 2.55%
- Gross income of 60,000 CHF (Aarau): 8.17%
- Gross income of 100,000 CHF (Aarau): 12.31%
- Gross income of 150,000 CHF (Aarau): 16.02%
- Gross income of 250,000 CHF (Aarau): 21.24%
Updated on
Source: Federal Tax Administration (FTA)
Withholding tax 2026
Withholding tax rate on the gross monthly wage for tariff code A0 (single person without children), from the canton’s official tariffs.
- Monthly wage of 4,000 CHF (A0): 4.6%
- Monthly wage of 6,000 CHF (A0): 7.7%
- Monthly wage of 8,000 CHF (A0): 10.3%
- Monthly wage of 10,000 CHF (A0): 12.6%
- Monthly wage of 15,000 CHF (A0): 16.6%
Updated on
Source: Cantonal tax authority
Recommended articles
- Swiss tax return: 2026 guide in AargauThe 2026 guide to filing taxes in Aargau explains IFD, cantonal and municipal taxes, the multiplier and the online procedure.
- Aargau Cantonal Taxes: Rates and DeductionsFind out how cantonal and municipal taxes work in the Canton of Aargau, including progressive tax rates, allowable deductions, and how to file your taxes online. A practical guide.
- Swiss Cantonal Taxes 2026: A Comparison of AargauIn 2026, the comparison starts from three tax levels: federal, cantonal and municipal. In Aargau, the cantonal law and the municipal multiplier count.