Businesses operating in Winnebago County, Wisconsin face a combined sales tax rate of 5.5% in 2026. The 0.5% local rate is added to the 5% state base. Home to 171,907 residents, the county offers substantial commercial opportunities.
For a $500 purchase in Winnebago County, the sales tax would be $27.50, bringing the total to $527.50.
Business Compliance in Winnebago County
Businesses must register with the Wisconsin Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 171,907, Winnebago County offers significant market potential for businesses of all sizes.