For 2026, the sales tax rate in Loudoun County, Virginia stands at 6% — a combination of the 5.3% state rate and 0.7% local levy. The county's 420,959 residents make it an important market in the region.
For a $500 purchase in Loudoun County, the sales tax would be $30.00, bringing the total to $530.00.
Business Compliance in Loudoun County
Businesses must register with the Virginia Department of Taxation to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 420,959, Loudoun County offers significant market potential for businesses of all sizes.