Johnson County increased its rates to 6 percent, and Park County decreased its rates to 4 percent, resulting in a slight decrease for the state overall.[11] It must be noted that some cities in New Jersey are in “Urban Enterprise Zones,” where qualifying sellers may collect and remit at half the 6.625 percent statewide sales tax rate (3.3125 percent), a policy designed to help local retailers compete with neighboring Delaware, which forgoes a sales tax. [read post]