Is Social Security taxable in Illinois in 2025?

Estimate whether Illinois taxes Social Security benefits for 2025 or 2026 by entering benefit amounts and other income. The tool summarizes the state tax impact and how it affects your Illinois return.

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How this calculation works

  • Uses benefit amounts and other income inputs.
  • Applies Illinois treatment of Social Security benefits.
  • Estimates the state tax impact.

Common mistakes and caveats

  • Federal rules are separate from Illinois rules.
  • Other retirement income can change totals.
  • Confirm eligibility with Illinois guidance.

FAQ

Does Illinois tax Social Security benefits?

Illinois has specific rules for retirement income. Use this tool to estimate the state impact.

Last updated & sources

Last updated January 27, 2026.

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TaxGuide Pro provides free state and federal tax calculators for individuals, freelancers, and small businesses.

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