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Flat 4.95% individual income tax.
Illinois Taxes
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Illinois statewide rule
Illinois' state sales tax (retailers' occupation and use tax) is 6.25% on general merchandise and 1% on qualifying drugs and medical appliances. Home-rule and other local taxes can push the combined rate well above 6.25% depending on location.
§ tax.illinois.gov
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Every Taxes rule LawLert has for Illinois
Each rule below is the full statewide entry, with the official source it rests on and the date it was last checked.
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Illinois's state motor fuel tax on gasoline and gasohol is $0.483 per gallon (48.3 cents) from July 1, 2025 through December 31, 2026; diesel fuel is $0.558 per gallon. The rate normally rises each July 1 with the Consumer Price Index, but Public Act 104-0468, signed June 16, 2026, suspended the scheduled July 1, 2026 adjustment for six months, through December 31, 2026, so the 2025 rate stays in place until then. Illinois also charges sales tax on motor fuel, so the total state tax at the pump is higher than the excise alone. The 18.4-cent federal gasoline tax is extra.
“Public Act 104-0468 signed June 16, 2026, suspended the scheduled July 1, 2026, Consumer Price Index adjustment related to the motor fuel tax rate for 6 months from July 1, 2026, through December 31, 2026.”
Read on Nov 11, 2026 from tax.illinois.gov.
Checked once · Nov 11, 2026
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Illinois's first back-to-school State sales tax holiday ran August 7–16, 2026 (Public Act 104-0468): the State's 6.25% portion dropped to 1.25% on qualifying clothing and footwear under $125 per item and on school supplies (no price threshold). IDOR Informational Bulletin FY 2026-30 covers only the 2026 period; Illinois previously had no recurring holiday.
“creates a State sales tax holiday on qualifying items effective August 7, 2026, through August 16, 2026”
Read on Oct 28, 2026 from tax.illinois.gov.
Checked once · Oct 28, 2026
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Illinois property tax is not administered by the state — it is assessed and managed locally by cities, counties, townships, and taxing districts. Local officials set assessed values and tax rates, so effective property-tax rates vary widely by locality; contact your local county officials for specifics.
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State 1% grocery tax eliminated Jan 1, 2026 — but municipalities may levy a 1% local grocery tax (≈665 have).
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