For 2026, the sales tax rate in Bonneville County, Idaho stands at 6% — a combination of the 6% state rate and 0% local levy. The county's 123,964 residents make it an important market in the region.
For a $500 purchase in Bonneville County, the sales tax would be $30.00, bringing the total to $530.00.
Business Compliance in Bonneville County
Businesses must register with the Idaho State Tax Commission to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 123,964, Bonneville County offers significant market potential for businesses of all sizes.