2019 California Tax Tables with 2020 Federal income tax rates, medicare rate, FICA and supporting tax and withholdings calculator. Compare your take home after tax and estimate your tax return online, great for single filers, married filing jointly, head of household and widower The 2020 SDI tax rate is 1.00 percent (.010) of SDI taxable wages per employee, per year. SDI and PFL are set by the California State Legislature and may change yearly. The maximum tax is $1,229.09 per employee, per year ($122,909 x .010). In some states, a large number of brackets are clustered within a narrow income band; Georgia’s taxpayers reach the state’s sixth and highest bracket at $7,000 in annual income. In the District of Columbia, the top rate kicks in at $1 million, as it does in California (when the state’s “millionaire’s tax” surcharge is included).