For 2026, the sales tax rate in Washington County, Minnesota stands at 7.375% — a combination of the 6.875% state rate and 0.5% local levy. The county's 267,568 residents make it an important market in the region.
For a $500 purchase in Washington County, the sales tax would be $36.88, bringing the total to $536.88.
Business Compliance in Washington County
Businesses must register with the Minnesota Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 267,568, Washington County offers significant market potential for businesses of all sizes.