My Local Sales Tax
Ozaukee County, Wisconsin Sales Tax Rate
| Taxing Jurisdiction | Rate |
|---|---|
| Wisconsin State | 5% |
| Ozaukee County | 0.5% |
| Max City / Locality Rate | N/A |
| Combined Sales Tax: | 5.5% |
Components of the 5.5% Ozaukee County sales tax
The county-level sales tax rate in Ozaukee County is 0.5%, and all sales in Ozaukee County are also subject to the 5% Wisconsin sales tax. None of the cities or municipalities within Ozaukee County collect any additional local sales taxes, so the sales tax rate applicable to all eight of the cities and towns listed below is 5.5%.
| City Name | Tax Rate | Population |
|---|---|---|
| Thiensville, WI | 5.5% | 19,700 |
| Cedarburg, WI | 5.5% | 16,800 |
| Grafton, WI | 5.5% | 15,400 |
| Port Washington, WI | 5.5% | 11,400 |
| Saukville, WI | 5.5% | 5,300 |
| Mequon, WI | 5.5% | 4,900 |
| Fredonia, WI | 5.5% | 4,300 |
| Belgium, WI | 5.5% | 3,000 |
Ozaukee County Sales Tax Calculator
$
%
Sales Tax:
$5.50
Purchase Price + Tax:
$105.50
Protip: Print out a free 5.5% sales tax table for quick sales tax calculations!
Wisconsin Sales Tax Lookup By Zip Code
Look up sales tax rates in Wisconsin by ZIP code with the tool below. Note that ZIP codes in Wisconsin may cross multiple local sales tax jurisdictions.
Get downloadable Wisconsin sales tax rate spreadsheets for your business
Sales-Taxes.com last updated the Wisconsin and Baseball Stadium District Ozaukee Co sales tax rate in May 2026 from the Wisconsin Department of Revenue