Kantonsvergleich.ch
FTA · FOPH · FSO — Data 2026

Solothurn vs. Aargau

Tax Comparison & Cost of Living 2026

✓Aargau is on average CHF 315/mo. cheaper
CategorySolothurnAargaucheaper
Ø Taxes at CHF 100k/year
(single, no denomination)
CHF 17’528/yr.CHF 13’751/yr.
Cheapest municipality
(taxes at CHF 100k)
KammersrohrCHF 13’846/yr.Oberwil-LieliCHF 10’486/yr.
Ø Health insurance
(deductible CHF 300/mo.)
CHF 412/mo.CHF 383/mo.
Ø 3-room rent
(median, FSO 2024)
CHF 1’153/mo.CHF 1’325/mo.
Average values across all municipalities in the canton — Sources: FTA 2026, FOPH 2026, FSO 2024

Top 5 cheapest municipalities in Solothurn

1Kammersrohr
CHF 13’846/yr.
2Feldbrunnen-St. Niklaus
CHF 14’197/yr.
3Däniken
CHF 14’901/yr.
4Dornach
CHF 15’463/yr.
5Härkingen
CHF 15’533/yr.

Top 5 cheapest municipalities in Aargau

1Oberwil-Lieli
CHF 10’486/yr.
2Geltwil
CHF 10’599/yr.
3Meisterschwanden
CHF 11’166/yr.
4Kaiseraugst
CHF 11’166/yr.
5Seengen
CHF 11’846/yr.
Canton Solothurn →Canton Aargau →Compare all 26 cantonsStart relocation calculator
FTAFOPHFSO— Data 2026

Non-binding estimates. Not tax or financial advice. Without guarantee — no substitute for individual professional advice.