Thurston County in Washington has a combined sales tax rate of 9% as of 2026. This includes the state rate of 6.5% plus a local county rate of 2.5%. With a population of 300,000, Thurston County represents a significant market for businesses.
For a $500 purchase in Thurston County, the sales tax would be $45.00, bringing the total to $545.00.
Business Compliance in Thurston County
Businesses must register with the Washington State Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 300,000, Thurston County offers significant market potential for businesses of all sizes.