Marion County, Illinois Sales Tax Rate
The combined sales tax rate in Marion County, Illinois in this reference snapshot is 7.5% as of October 1, 2026. That includes the Illinois state rate of 6.25%.
This is a historical rate snapshot, not a current address-specific tax determination. Confirm current rates with the state before use; the snapshot source may describe an earlier period.
Combined general-merchandise retailers' occupation tax rate for the municipality or unincorporated county area.
Unincorporated-area rate.
Sales tax calculator for Marion County
Uses the reference rate as of October 1, 2026. Unincorporated-area rate
- Sales tax (7.5%)
- $7.50
- Total with tax
- $107.50
How this rate is composed
The Illinois state sales tax rate is 6.25%. The combined 7.5% rate for Marion County comes from Illinois DOR machine-readable rate file (ORDMACHE) (Rates in effect on October 1, 2026 (IDOR current file; latest changes effective August 1, 2026)).
Business-district and home-rule address-level layers can change the rate at specific addresses; grocery rates differ.
Rates change on official schedules — confirm the current rate and effective date against the source above before filing. Guide reviewed October 20, 2026; rate snapshot dated October 1, 2026.
Managing tax for a business?
A local rate lookup is a starting point. For ongoing sales, choose the calculation engine to determine tax in your system, or compliance software to review a period and prepare returns. For a one-off address estimate, use the free calculator.
Related local sales tax rates in Illinois
Compare the county and same-type jurisdictions with the closest combined rates.
Marion County sales tax questions
What is the sales tax rate in Marion County, Illinois?
In the 2026-10-01 reference snapshot, the combined sales tax rate is 7.5%. Unincorporated-area rate It includes the Illinois state rate of 6.25% and applicable local rates.
How much sales tax is charged on a $100 purchase in Marion County?
At the 7.5% reference rate as of 2026-10-01, a $100 taxable purchase produces $7.50 in sales tax.
When was the Marion County sales tax rate reviewed?
Prophit.ai reviewed this guide on 2026-10-20 against its dated source, Illinois DOR machine-readable rate file (ORDMACHE). The rate snapshot remains dated 2026-10-01; this review does not certify current rates. Confirm the official source before filing because rates can change.