Compare · US
California vs Illinois take-home pay
Illinois uses a flat state income tax; California uses progressive FTB brackets. At mid salaries the California schedule can still cost more overall; at other points the flat Illinois rate may dominate. This page shows both against the same federal baseline.
At this salary, estimated annual net is $558.15 higher in Illinois.
Default scenario: $85,000.00 annual gross · single · tax year US-2026. California: $64,006.64; Illinois: $64,564.79.
Tax year US-2026 · same salary in both places · illustrative estimate
Place A
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Place B
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Why the estimates differ
- Same IRS brackets and FICA on both sides.
- Illinois: flat state rate; California: progressive plus documented SDI (not subtracted).
- Local taxes are not modeled for either state.