Newark ( NEW-ərk, locally [nʊɚk]) is the most populous city in the U.S. state of New Jersey, the county seat of Essex County, and a principal city of the New York metropolitan area. As of the 2020 census, the city's population was 311,549. The Population Estimates Program calculated a population of 304,960 for 2023, making it the 66th-most populous municipality in the nation. Settled in 1666 by Puritans from New Haven Colony, Newark is one of the oldest cities in the United States. Its location at the mouth of the Passaic River, where it flows into Newark Bay, has made the city's waterfront an integral part of the Port of New York and New Jersey. Port Newark–Elizabeth is the primary container shipping terminal of the busiest seaport on the U.S. East Coast. Newark Liberty International Airport was the first municipal commercial airport in the United States and has become one of the busiest. Several companies are headquartered in Newark, including Prudential, PSEG, Panasonic Corporation of North America, Audible.com, IDT Corporation, Manischewitz, and AeroFarms. Higher education institutions in the city include the Newark campus of Rutgers University, which includes law and medical schools and the Rutgers Institute of Jazz Studies; University Hospital; the New Jersey Institute of Technology; and Seton Hall University's law school. Newark is a home to numerous governmental offices, largely concentrated at Government Center and the Essex County Government Complex. Cultural venues include the New Jersey Performing Arts Center, Newark Symphony Hall, the Prudential Center, The Newark Museum of Art, and the New Jersey Historical Society. Branch Brook Park is the oldest county park in the United States and is home to the nation's largest collection of cherry blossom trees, numbering over 5,000. Newark is divided into five political wards (East, West, South, North and Central). The majority of Black residents reside in the South, Central, and West Wards of the city, while the North and East Wards are mostly populated by Latinos. Ras Baraka has served as mayor of Newark since 2014.