What is the sales tax in Markham city? - The sales tax in Markham city of Illinois is 10.5% as of 2025. Use the Markham sales tax calculator to calculate the sales tax for any purchase in Markham.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Markham.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Cook | Illinois | Markham | 60428 | 6.25% | 1.5% | 1.75% | 10.5% |