Businesses operating in Middlesex County, New Jersey face a combined sales tax rate of 6.625% in 2026. The 0% local rate is added to the 6.625% state base. Home to 863,162 residents, the county offers substantial commercial opportunities.
For a $500 purchase in Middlesex County, the sales tax would be $33.13, bringing the total to $533.13.
Business Compliance in Middlesex County
Businesses must register with the New Jersey Division of Taxation to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 863,162, Middlesex County offers significant market potential for businesses of all sizes.