Oswego, IL Sales Tax Rate and Calculator
The combined rate is 8.5% as of August 1, 2026. Enter an amount to see the tax.
Updated October 2026Calculate Sales Tax in Oswego, IL
Tax Breakdown
Tax Details
Oswego sales tax rate: 8.5%
The combined sales tax rate in Oswego, IL is 8.5% as of August 1, 2026: 6.25% state, 1% county and 1.25% village. Oswego has about 34,585 residents.
At 8.5%, a $500 purchase in Oswego adds $42.50 in tax and a $2,000 one adds $170.00. With a median household income of $119,881 (Census ACS 5-Year 2023), that larger bill equals about 7% of a week's income here.
Among the 8 Illinois places covered on this site, Oswego ranks 7 of 8. Rates run from 8.25% in Lake Zurich to 11.25% in Glenwood.
The 1% state tax on groceries ended January 1, 2026; many cities and counties levy a 1% local grocery tax. The local tax on groceries in Oswego is not verified here and is not included. Rates can change at the start of each quarter. Source: Illinois revenue department, read October 13, 2026.
Illinois Sales Tax Rates
State Rate
6.25%
Oswego Local Rate
2.25%
Oswego Combined
8.5%
Local rates vary by city, county and special district. State rate source: Illinois revenue department, checked October 13, 2026.
Exemptions & Taxable Items
- • The 1% state tax on groceries ended January 1, 2026; many cities and counties levy a 1% local grocery tax. The local tax on groceries in Oswego is not verified here and is not included
- • Clothing is subject to sales tax
- • Prescription medicine is generally exempt
Sales Tax Examples in Oswego
| Purchase Price | Sales Tax | Total Cost |
|---|---|---|
| $25.00 | $2.12 | $27.12 |
| $100.00 | $8.50 | $108.50 |
| $500.00 | $42.50 | $542.50 |
| $1,000.00 | $85.00 | $1,085.00 |
Based on the Oswego combined rate of 8.5% (August 1, 2026).
Sales Tax FAQ, Oswego, Illinois
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Disclaimer: For informational purposes only. Not tax, legal, or financial advice.