You might be surprised which states have the highest and lowest "effective" tax rates, a metric that measures how much of your income you pay in tax.
Oregon has the highest effective tax rate at 24.4%, while Florida has the lowest at 15.7%. Eight states lowered income tax rates in 2026 as tax competition heats up.
A new FinanceBuzz study reveals the 10 states with the highest tax burdens. See who pays the largest share of income in taxes ...