2026 tax year · CA vs IL

California vs Illinois Paycheck Comparison

At $75,000.00 of gross pay, our estimate shows $58,651.65 of take-home pay in California and $58,024.79 in Illinois. California leaves $626.86 more per year, or $52.24 more per month.

Last reviewed 2026-02-11 · 2026 tax year · Local income taxes excluded · Official sources: California Franchise Tax Board and Illinois Department of Revenue

Same salary, different state tax

This comparison uses a single filer with $75,000.00 of annual gross wages and no pre-tax contributions. Federal income tax and FICA are identical in both states, so the entire take-home gap comes from state income tax.

California vs Illinois annual paycheck comparison
Line California Illinois
Gross annual pay $75,000.00 $75,000.00
Federal income tax $7,670.00 $7,670.00
State income tax $2,940.85 $3,567.71
Social Security + Medicare $5,737.50 $5,737.50
Total tax $16,348.35 $16,975.21
Estimated take-home pay $58,651.65 $58,024.79
Monthly take-home pay $4,887.64 $4,835.40
Effective tax rate 21.80% 22.63%

California vs Illinois at other salaries

The dollar gap grows as income rises when one state uses graduated brackets and the other does not. Here is the same comparison at four common salary levels:

Take-home pay by salary for California and Illinois
Gross salary California Illinois Annual difference Higher take-home
$50,000.00 $41,152.51 $40,024.79 $1,127.72 California
$75,000.00 $58,651.65 $58,024.79 $626.86 California
$100,000.00 $73,956.58 $74,374.79 $418.21 Illinois
$150,000.00 $103,917.58 $106,510.79 $2,593.21 Illinois

Single filer, no pre-tax contributions. Local income taxes and cost of living are excluded.

Compare your own salary

Why California and Illinois produce different paychecks

CA

California

California uses graduated brackets with a top 2026 rate of 13.30%. The state standard deduction used here is $5,540.00 for a single filer.

Estimated state income tax at $75,000.00: $2,940.85.

Open the California calculator →

IL

Illinois

Illinois uses a flat 4.95% wage income tax in 2026. The state standard deduction used here is $2,925.00 for a single filer.

Estimated state income tax at $75,000.00: $3,567.71.

Open the Illinois calculator →

At this salary, the estimated state income tax is $2,940.85 in California and $3,567.71 in Illinois. The difference of $626.86 is the same as the take-home gap, because federal tax and FICA do not change when you cross a state line.

What this comparison does not include

  • Local city and county income taxes, unless noted above.
  • Property tax, sales tax, rent, commuting costs, and cost of living.
  • Your W-4 elections and your employer's exact withholding tables.
  • Credits, itemized deductions, and income outside your salary.
  • Wage garnishments, union dues, and post-tax deductions.

A lower state income tax does not automatically mean a better financial outcome. Compare housing, property tax, sales tax, and commuting costs before using this estimate to decide on a move.

Official state tax sources

This estimate uses the 2026 federal rules and the Tax Foundation, State Individual Income Tax Rates and Brackets, 2026. For current forms, withholding tables, and local rules, check each state's official tax agency.

Last reviewed: 2026-02-11 · Tax year 2026.

Take the checklist with you

The 2026 paycheck checklist covers withholding, pre-tax benefits, local taxes, and the questions to ask before accepting an offer in another state.

Open the 2026 checklist

Answers

Frequently asked questions

How much difference does state tax make at 75,000?

At 75,000 of gross pay, California leaves about $626.86 more per year, or $52.24 more per month. The gap comes from state income tax; federal income tax and FICA are the same in both states.

Does California or Illinois have a state income tax?

California uses graduated brackets with a top rate of 13.30%. Illinois uses a flat 4.95% wage tax. At 75,000, the estimated state income tax is $2,940.85 in California and $3,567.71 in Illinois.

Does this California vs Illinois comparison include local taxes?

No. The comparison includes federal income tax, Social Security, Medicare, and state income tax. City, county, and local income taxes are excluded unless a state note says otherwise.

How do I compare my own salary in California and Illinois?

Open the interactive state comparison tool, choose both states, and enter your annual gross salary. You can also add a 401(k) percentage and pre-tax health contributions.

Free checklist

Get the 2026 paycheck checklist

The full checklist covers withholding, pre-tax benefits, local taxes, and moving between states. Add your email for the printable copy.