Ready to register in Illinois? Apply for your Illinois sales tax permit online – it only takes a few minutes.
Illinois Sales Tax Rates and Fees
Illinois has a 6.25% state sales tax rate, but local taxes can push combined rates over 10% in many areas, especially Chicago.
Illinois State Sales Tax Breakdown
The 6.25% state rate consists of:
- 5% state sales tax
- 1% local share distributed to municipalities
- 0.25% county share
Major Illinois Cities Tax Rates (2025)
| Location | Combined Rate |
|---|---|
| Chicago | 10.25% |
| Aurora | 8.00% |
| Naperville | 7.75% |
| Springfield | 8.75% |
| Rockford | 8.25% |
| Peoria | 9.25% |
What Is Taxable in Illinois?
- Most tangible personal property
- Prepared food
- Some services
- Digital goods (software, streaming)
What Is Exempt in Illinois?
- Groceries (1% reduced rate)
- Prescription medications
- Medical equipment
- Items purchased for resale
- Manufacturing machinery
Registration Fees
Registering for an Illinois Certificate of Registration is free.
Late Filing Penalties
- Late payment penalty: 2% of tax due per month (max 20%)
- Late filing penalty: $250 for each month late
- Interest accrues on unpaid amounts
Related Illinois Guides
Sales Tax Registration – Get your Illinois certificate.
IDOR Contact – Contact Illinois Department of Revenue.