Westfield is a town in Union County, in the U.S. state of New Jersey. Located within the heart of the Rahway Valley region, Westfield is a bustling commercial and cultural hub in northern–central New Jersey, and it is a wealthy bedroom community of New York City within the New York metropolitan area. In March 2018, Bloomberg ranked Westfield as the 99th highest-income place in the United States, and the 18th highest-income location in New Jersey. According to a 2014 nationwide survey, Westfield was ranked as the 30th-safest city to live in the United States.