Wisconsin Sales Tax Rates: Jefferson County
Jefferson County, Wisconsin Sales Tax Rate 2026 Up to 5.5%
A county-wide sales tax rate of 0.5% is applicable to localities in Jefferson County, in addition to the 5% Wisconsin sales tax.
None of the cities or local governments within Jefferson County collect additional local sales taxes.Here's how Jefferson County's maximum sales tax rate of 5.5% compares to other counties around the United States:
- Higher maximum sales tax than 87% of Wisconsin counties
- Lower maximum sales tax than 90% of counties nationwide
Tax Rates By City in Jefferson County, Wisconsin
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Wisconsin has a 5% sales tax and Jefferson County collects an additional 0.5%, so the minimum sales tax rate in Jefferson County is 5.5% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Jefferson County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Fort Atkinson | 5.5% | Jefferson |
| Watertown | 5.5% | Jefferson |
| Jefferson | 5.5% | Jefferson |
| Lake Mills | 5.5% | Jefferson |
| Waterloo | 5.5% | Dodge |
| Johnson Creek | 5.5% | Jefferson |
| Palmyra | 5.5% | Jefferson |
| Sullivan | 5.5% | Jefferson |
| Ixonia | 5.5% | Jefferson |
| Helenville | 5.5% | Jefferson |
Wisconsin Sales Tax Rates by Zip Code:
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Jefferson County, Wisconsin has a maximum sales tax rate of 5.5% and an approximate population of 64,989.
Sales tax rates in Jefferson County are determined by two different tax jurisdictions, Dodge and Jefferson.
Back to Wisconsin Sales Tax Handbook Sales tax rates for Jefferson County are current as of June 2026
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