Jay is a city and county seat of Delaware County, Oklahoma, United States. The population was 2,448 at the 2010 census, compared to 2,482 at the 2000 census, a decrease of 1.4 percent. Almost 40% of its residents are Native American, thus Jay is home to numerous Cherokee tribal offices and a health clinic for the Delaware District of the Cherokee Nation.The city is celebrated as the Huckleberry Capital of the World and has been host to the annual Huckleberry Festival each July 4 weekend since 1967.