What is the sales tax for Port Byron, Illinois? - The sales tax for Port Byron, Illinois is 8.25% as of 2026. 8.25% is the combine sales tax from 6.25% of Illinois state sales tax, 1% of local sales tax, and 1% of Rock Island county sales tax.
| State | Illinois | State Tax | 6.25% |
|---|---|---|---|
| City | Port Byron | City Tax | 1% |
| County | Rock Island | County Tax | 1% |
| Special Tax | 0% | ||
| Total Sales Tax | 8.25% | ||
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